Tag Archives: steel bearing

China wholesaler China High Performance 6003 6003zz 60032RS Mini Chrome Steel Material Deep Groove Ball Bearing connecting rod bearing

Product Description

 

Product Description

Product details:
 

Deep groove ball bearing

High quality

High precision

High speed

Durable

Competitive price

Super popular

Long life

Low noise

 

 

Specification:

Model(ZZ/DDU)

Main dimensions

Inner diameter

Outer diameter

Thickness

6000

10mm

26mm

8mm

6001

12mm

28mm

8mm

6002

15mm

32mm

9mm

6003

17mm

35mm

10mm

6004

20mm

42mm

12mm

6005

25mm

47mm

12mm

6012

60mm

95mm

18mm

6013

65mm

100mm

18mm

6014

70mm

110mm

20mm

6015

75mm

115mm

20mm

6016

80mm

125mm

22mm

6017

85mm

130mm

22mm

Compamy profile:

HangZhou Terry Machinery Co.Ltd is a leading supplier of bearings, Linear motion system for CNC , Ball transfer Unit and transmission component .the growing industrial and Favorable policy of HangZhou benefit the development of Terry Machinery .Our products are utilized in industrial, motorcycle, vehicle and Automation applications. Now we are exporting to 46 countries. including USA, GBR , Germany , Spain, Poland ,Turkey ect .The Goal of Terry Machinery to provide out customers with widest range of products at competitive prices, backed with the best Service.OUR ADVANTAGE Products Our major products & Supplied:Meet all the international standards and ISO9001 -TS1694 Certificate Big volume in Stock, No MOQ required Personnel Our salespersons are well trained to accommodate your requests and speak English for your conveniences.Our technicians and engineers Experience in the Industry area exceeds 23 years Service &Quality control ,We supply detailed drawings and offer when ever necessary,We help all customers promote and improve their sales.We inspect every piece of products by ourselves before delivery.

Packaging & Shipping

 

FAQ:

Custom Praise:

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Inside Diameter: 17mm
Outside Diameter: 35mm
Thickness: 10mm

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?

Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:

  • Automotive Industry:

Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.

  • Aerospace Industry:

In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.

  • Industrial Machinery:

Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.

  • Medical Equipment:

In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.

  • Robotics and Automation:

Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.

  • Renewable Energy:

Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.

  • Marine and Shipbuilding:

Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.

  • Heavy Equipment and Construction:

In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.

  • Electronics and Consumer Appliances:

Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.

  • Oil and Gas Industry:

In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.

These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

ball bearing

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?

Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:

  • Contaminant Exclusion:

Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.

  • Lubrication Retention:

Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.

  • Corrosion Prevention:

Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.

  • Extended Bearing Life:

Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.

  • Enhanced Performance in Harsh Environments:

In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.

  • Noise and Vibration Reduction:

Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.

  • Customized Protection:

Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.

  • Trade-Offs:

While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.

Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China wholesaler China High Performance 6003 6003zz 60032RS Mini Chrome Steel Material Deep Groove Ball Bearing   connecting rod bearingChina wholesaler China High Performance 6003 6003zz 60032RS Mini Chrome Steel Material Deep Groove Ball Bearing   connecting rod bearing
editor by CX 2024-05-17

China wholesaler Thrust Ball Bearing CZPT F10-21m F10-22m F11-21m F12-18m High-Quality Steel Material for Mechanical Bearing bearing distributors

Product Description

Product Description

 

Thrust ball bearing CZPT F10-21M F10-22M F11-21M F12-18M High-quality steel material for Mechanical bearing

The thrust ball bearing is designed to bear thrust load at high speed, which is composed of washer ring with ball rolling raceway groove. Because the ring is cushion shaped, the thrust ball bearing can be divided into 2 types: flat bottom cushion type and self-aligning spherical cushion type. In addition, the bearing can bear axial load, but not radial load.

 

Product name Thrust ball bearing
Material Bearing Steel
Standard DIN GB ISO JIS
Bearing Package Barreled, bagged, boxed, palletized or as customers’ requirement.
Service OEM service provided
Delivery time 3-10 days depends on quantity needed

Detailed Photos

 

 

Product Parameters

Bearing No. Boundary dimensions(mm) Load ratings(kN) Limiting speeds(r/min) Weight
d D T Ca Coa Grease Cor (kg)
51100 10 24 9 10 14 6500 1000 0.02
51200 10 26 11 12.7 17.1 5700 8800 0.03
51101 12 26 9 10.3 15.4 6500 10000 0.571
51201 12 28 11 13.2 19 5400 8300 0.034
51102 15 28 9 10.5 16.8 6100 9400 0.571
51202 15 32 12 16.6 24.8 4900 7500 0.046
51103 17 30 9 10.8 18.2 6100 9400 0.571
51203 17 25 12 17.2 27.3 4900 7500 0.053
51104 20 25 10 14.2 24.7 5100 7900 0.04
51204 20 40 14 22.3 37.7 3900 6000 0.082
51304 20 47 18 35 55.8 3600 4500 0.092
51105 25 42 11 19.5 37.2 4400 6800 0.059
51205 25 47 15 27.8 50.4 3600 5500 0.12
51305 25 52 18 35.7 61.4 3100 4800 0.18
51405 25 60 24 55.6 89.4 2600 4000 0.34
51106 30 47 11 20.4 42.2 4300 6600 0.068
51206 30 52 16 29.3 58.2 3400 5200 0.15
51306 30 60 21 42.8 78.7 2700 4200 0.27
51406 30 70 28 72.8 126 2200 3400 0.53
51107 35 52 12 20.4 44.7 3900 6000 0.09
51207 35 62 18 39.2 78.2 2900 4500 0.22
51307 35 68 24 55.5 105 2400 3700 0.39
51407 35 80 32 87.1 155 1900 2900 0.79
51108 40 60 13 26.9 62.8 3400 5300 0.12
51208 40 68 19 46.9 98.3 2700 4200 0.27
51308 40 78 26 69.3 135 2100 3300 0.55
51408 40 90 36 113 205 1700 2600 1.14
51109 45 65 14 27.8 69.1 3200 5000 0.15
51209 45 73 20 47.7 105 2600 4000 0.32
51309 45 85 28 80 163 1900 3000 0.69
51409 45 100 39 130 242 1500 2300 1.47
51110 50 70 14 28.8 75.4 3100 4800 0.16
51210 50 78 22 48.5 111 2300 3600 0.39
51310 50 95 31 91.6 186 1800 2700 1
51410 50 110 43 148 283 1400 2100 1.99
51111 55 78 16 34.8 93.1 2800 4300 0.24
51211 55 90 25 69.4 159 2100 3200 0.61
51311 55 105 35 119 246 1600 2400 1.34
51411 55 120 48 178 359 1200 1900 2.64
51112 60 85 17 41.4 113 2600 4000 0.29
51212 60 95 26 73.6 179 1900 3000 0.69
51312 60 110 35 124 267 1500 2300 1.43
51412 60 130 51 201 397 1100 1700 3.51
51113 65 90 18 41.7 117 2400 3700 0.34
51213 65 100 27 74.8 189 1900 2900 0.77
51313 65 155 36 128 287 1400 2200 1.57
51413 65 140 56 232 493 1000 1600 4.47
51114 70 95 18 43 127 2300 3600 0.36
51214 70 105 27 73.6 189 1800 2800 0.81
51314 70 125 40 148 339 1300 2000 2.06
51414 70 150 60 250 553 940 1450 5.48
51115 75 100 19 42.3 127 2200 3400 0.42
51215 75 110 27 7.74 209 1800 2700 0.86
51315 75 135 44 171 396 1200 1900 2.68
51415 775 160 65 252 560 880 1350 6.75
51116 80 105 19 44.6 141 2100 3300 0.43
51216 80 115 28 78.5 218 1700 2600 0.95
51316 80 140 44 176 242 1200 1800 2.82
51117 85 110 19 45.9 150 2100 3200 0.46
51217 85 125 31 92.3 251 1500 2300 1.29
51317 85 150 49 206 498 1100 1700 3.66
51118 90 120 22 59.7 190 1900 2900 0.68
51218 90 135 35 117 326 1400 2100 1.77
51318 90 155 50 213 524 1000 1600 3.88
51120 100 135 25 85 268 1600 2500 0.99
51220 100 150 38 147 410 1200 1900 2.36
51320 100 170 55 236 596 940 1450 5.11
51122 110 145 25 87.1 288 1600 2400 1.08
51222 110 160 38 148 431 1200 1800 2.57
51322 110 190 63 280 754 810 1250 7.72
51124 120 155 25 89 308 1500 2300 1.16
51224 120 170 39 154 472 1100 1700 2.86
51126 130 170 30 104 352 130 2000 1.87
51226 130 190 45 203 622 970 1500 4.09
51128 140 180 31 107 377 1200 1900 2.2
51228 140 200 46 215 669 940 1450 4.46
51130 150 190 31 109 402 1200 1900 2.15
51230 150 215 50 244 768 840 1300 5.64

51100 51101 51102 51103 51104 51105 51106 51107
51108 51109 51110 51111 51112 51113 51114 51115
51116 51117 51118 51120 51122 51124 51126 51128
51130 51132 51314 51316 51138 51140 51144 51148
51130M 51134M 51136M 51138M 51140M 51144M 51148M 51152M
51156M 51160M 51164M 51168M 51172M 51176M 51180M 51184M

51200 51201 51202 51203 51204 51205 51206 51207 
51208 51209 51210 51211 51212 51213 51214 51215
51216 51217 51218 51220 51222 51224 51226 51228 
51230 51232 51234 51236 51238 51240 51244 51248
51220M 51222M 51224M 51226M 51228M 51230M 51232M 51234M
52136M 51238M 51240M 51244M 51248M 51252M 51256M 51260M 
51264M 51268M 51272M

51304 51305 51306 51307 51308 51309 51310 51311
51312 51313 51314 51315 51316 51317 51318 51320 
51322 51324 51328 51330 51332 51334 51336 51340
51320M 51322M 51320M 51324M 51326M 51328M 51330M 51334M
51336M 51340M 51344M 51348M

51405 51406 51407 51408 51409 51410 51411 51412 51413
51414 51415 51416 51417 51418 51420 51422 51424 51426
51415M 51416M 51418M 51420M 51422M 51426M 51428M 51430M 51436M

52205 52206 52207 52208 52209 52210 52211 52212
52213 52214 52215 52216 52217 52218 52220 52222

53204 53205 53206 53207 53208 53209 53210 53211
53305 53306 53307 53308 53309 53310 

511/500 511/600 511/670 511/750 591/600 591/670 5691/1000
511/500M 511/670M 591/670M

F2-6M F2.5-6M F3-8M F4-9M F4-10M F5-10M F5-1M1 F5-12M F6-10M
F6-11M F6-12M F6-14M F6-14.2M F6-14.2M F7-13M F7-14.5M F7-15M
F7-17M F8-14M F8-15M F/-16M F8-19M F8-22M F9-17M F9-20M F10-16M
F10-17M F10-18M F10-19M F10-20M F10-21M F10-22M F11-21M F12-18M
F12-19M F12-20M F12-21M F12-23M F13-22M F16-20M ALK1507 ALK1810
 

Packaging & Shipping

 

Company Profile

 

Our Advantages

Our Advantages:
1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry.
3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent.
4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs.
5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain. 
SAMPLES
1. Samples quantity: 1-10 PCS are available. 
2. Free samples: It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost. 
3. It’s better to start your order with Trade Assurance to get full protection for your samples order. 

CUSTOMIZED
The customized LOGO or drawing is acceptable for us. 

MOQ
1. MOQ: 10 PCS standard bearings. 
2. MOQ: 1000 PCS customized your brand bearings. 

OEM POLICY
1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield. 
2. We can custom your packaging according to your design
3. All copyright own by clients and we promised don’t disclose any info.

FAQ

 

1.What is the minimum order quantity for this product?
    Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time?
    Most orders will be shipped within 7-15 days of payment being received.
3.Does your company have quality assurance?
    Yes, for 1 years.
4.What is the competitiveness of your company’s products compared to other companies?
    High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies?
    Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support?
    Do our best to meet customer needs, negotiable.
7.How to contact us quickly?
    Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.

Please feel free to contact us, if you have any other question

 

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Product Name: Thrust Ball Bearing
Application: Automobile, Rolling Mill, Mine, Metallurgy
Lubrication: Grease or Oil
Precision Rating: P0 P6 P5 P4 P2
Vibration: Z1V1 Z2V2 Z3V3
Certification: ISO9001:2008
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

Are there Specific Maintenance Practices to Ensure the Longevity of Ball Bearings?

Maintaining ball bearings is essential to ensure their longevity, reliable performance, and prevent premature failure. Proper maintenance practices can extend the lifespan of ball bearings and the equipment they are used in. Here are specific maintenance practices to consider:

  • Regular Lubrication:

Implement a regular lubrication schedule using the appropriate lubricant for the application. Lubrication reduces friction, prevents wear, and helps dissipate heat. Follow manufacturer guidelines for lubricant type, quantity, and frequency.

  • Clean Environment:

Keep the operating environment clean and free from contaminants. Dust, dirt, and debris can infiltrate bearings and cause damage. Use seals or shields to protect bearings from contaminants, especially in harsh environments.

  • Proper Installation:

Ensure correct installation of bearings using proper tools and techniques. Improper installation can lead to misalignment, uneven load distribution, and premature wear. Follow manufacturer recommendations for installation procedures.

  • Regular Inspections:

Perform routine visual inspections to check for signs of wear, damage, or contamination. Regular inspections can help identify issues early and prevent further damage. Pay attention to noise, vibration, and temperature changes.

  • Temperature Monitoring:

Monitor bearing temperatures during operation using infrared thermometers or sensors. Abnormal temperature increases can indicate inadequate lubrication, misalignment, or other problems.

  • Correct Handling:

Handle bearings with care to prevent damage during storage, transportation, and installation. Avoid dropping or subjecting them to impacts that can affect their internal components.

  • Bearing Removal and Replacement:

Follow proper procedures when removing and replacing bearings. Use appropriate tools and techniques to avoid damage to the bearing or the surrounding components.

  • Alignment Maintenance:

Maintain proper shaft and housing alignment to prevent excessive loads and wear on the bearing. Misalignment can lead to increased stress and premature failure.

  • Training and Education:

Provide training to operators and maintenance personnel on proper bearing maintenance and handling practices. Educated personnel are more likely to identify issues and perform maintenance correctly.

  • Documented Records:

Keep records of maintenance activities, inspections, lubrication schedules, and any issues encountered. This documentation helps track the bearing’s performance over time and informs future maintenance decisions.

By implementing these maintenance practices, you can ensure the longevity of ball bearings, minimize downtime, reduce operational costs, and maintain the reliability of the equipment they are a part of.

ball bearing

What Precautions should be taken to Prevent Contamination of Ball Bearings in Industrial Settings?

Preventing contamination of ball bearings is essential to ensure their proper function, longevity, and overall performance in industrial settings. Contaminants such as dust, dirt, debris, and particles can significantly impact bearing operation. Here are important precautions to take to prevent contamination of ball bearings:

  • Effective Sealing:

Choose ball bearings with appropriate seals or shields to prevent the ingress of contaminants. Seals provide a physical barrier against dust, moisture, and particles, ensuring the bearing’s interior remains clean.

  • Clean Environment:

Maintain a clean working environment around the machinery and equipment. Regularly clean the surrounding areas to prevent the accumulation of dirt and debris that could enter the bearings.

  • Proper Handling:

Handle bearings with clean hands and use gloves if necessary. Avoid touching the bearing surfaces with bare hands, as natural skin oils can transfer contaminants onto the bearing.

  • Clean Tools and Equipment:

Use clean tools and equipment during installation and maintenance to prevent introducing contaminants. Ensure that tools are properly cleaned before coming into contact with the bearing components.

  • Contamination-Controlled Workstations:

Establish contamination-controlled workstations for bearing handling, installation, and maintenance. These areas should have proper ventilation, filtered air, and minimal exposure to external contaminants.

  • Proper Lubrication:

Use the correct lubricant in appropriate quantities. Lubricants help create a barrier against contaminants and reduce friction. Regularly inspect and replenish lubrication to maintain its effectiveness.

  • Regular Inspections:

Implement a routine inspection schedule to monitor the condition of the bearings. Look for signs of contamination, wear, and damage. Address any issues promptly to prevent further damage.

  • Training and Education:

Train personnel on proper handling, installation, and maintenance practices to minimize the risk of contamination. Educated employees are more likely to take precautions and prevent accidental contamination.

  • Environmental Controls:

In sensitive environments, such as clean rooms or medical facilities, implement strict environmental controls to minimize the presence of contaminants that could affect bearing performance.

  • Regular Cleaning and Maintenance:

Perform regular cleaning and maintenance of machinery and equipment to prevent the buildup of contaminants. Keep bearings protected during maintenance to prevent debris from entering during the process.

  • Selection of Suitable Bearings:

Choose bearings that are specifically designed for the application’s environmental conditions. Some bearings have advanced sealing options or specialized coatings that enhance contamination resistance.

By implementing these precautions, industries can significantly reduce the risk of contamination in ball bearings, ensuring smooth operation, extended bearing life, and enhanced equipment reliability.

ball bearing

How do Ball Bearings Differ from Other Types of Bearings like Roller Bearings?

Ball bearings and roller bearings are two common types of rolling-element bearings, each with distinct designs and characteristics. Here’s a comparison of ball bearings and roller bearings:

  • Design:

Ball Bearings: Ball bearings use spherical balls to separate and reduce friction between the bearing’s inner and outer rings. The balls enable rolling motion and smooth contact, minimizing friction.

Roller Bearings: Roller bearings, as the name suggests, use cylindrical or tapered rollers instead of balls. These rollers have larger contact areas, distributing loads over a broader surface.

  • Friction and Efficiency:

Ball Bearings: Due to the point contact between the balls and the rings, ball bearings have lower friction and are more efficient at high speeds.

Roller Bearings: Roller bearings have a larger contact area, resulting in slightly higher friction compared to ball bearings. They are more suitable for heavy-load applications where efficiency is prioritized over high speeds.

  • Load Capacity:

Ball Bearings: Ball bearings excel at handling light to moderate loads in both radial and axial directions. They are commonly used in applications where smooth rotation and low friction are important.

Roller Bearings: Roller bearings have a higher load-carrying capacity than ball bearings. They can support heavier radial and axial loads and are preferred for applications with significant loads or impact forces.

  • Variability:

Ball Bearings: Ball bearings come in various designs, including deep groove, angular contact, and thrust ball bearings, each suitable for different applications.

Roller Bearings: Roller bearings have diverse types, including cylindrical, spherical, tapered, and needle roller bearings, each optimized for specific load and motion requirements.

  • Speed Capability:

Ball Bearings: The reduced friction in ball bearings makes them suitable for high-speed applications, such as electric motors and precision machinery.

Roller Bearings: Roller bearings can handle higher loads but are generally better suited for moderate to low speeds due to slightly higher friction.

  • Applications:

Ball Bearings: Ball bearings are used in applications where smooth motion, low friction, and moderate loads are essential, such as electric fans, bicycles, and some automotive components.

Roller Bearings: Roller bearings find applications in heavy machinery, construction equipment, automotive transmissions, and conveyor systems, where heavier loads and durability are crucial.

In summary, ball bearings and roller bearings differ in their design, friction characteristics, load capacities, speed capabilities, and applications. The choice between them depends on the specific requirements of the machinery and the type of loads and forces involved.

China wholesaler Thrust Ball Bearing CZPT F10-21m F10-22m F11-21m F12-18m High-Quality Steel Material for Mechanical Bearing   bearing distributorsChina wholesaler Thrust Ball Bearing CZPT F10-21m F10-22m F11-21m F12-18m High-Quality Steel Material for Mechanical Bearing   bearing distributors
editor by CX 2024-05-16

China factory Ssuc205 Suc205 Bearing Stainless Steel Pillow Block Ball Bearing deep groove ball bearing

Product Description

SSUC205 SUC205 bearing Stainless steel pillow block ball bearing 

Descriptions: The pillow block bearings is composed of a single row deep groove ball bearing with seals at both sides and spherical outside surface, and housing. It is the most widely used flange shape. Like the pillow style unit, it can reduce operating cost by combining the maximum load carrying capacity with an extended bearing life.

Features:

1) Compact and light weight: The feature permits high performance and space-saving machine and equipment

2) Easy and quick to mount: Eccentric locking collar and setscrew ensure fast and positive locking of bearings to the shaft

3) High sealing efficiency: Bearings are effectively sealed with end caps for added protection of dust and humid. Small flange bearing Zinc Alloy bearing units is a new type of bearing, to join other elements for zinc based alloy bearing.Often add alloy elements are aluminum, copper, magnesium, cadmium, lead, titanium, etc.Zinc base alloy low melting point, good liquidity, easy fusion welding, brazing and plastic processing, in the atmosphere corrosion, deformed material easy to recycle and remelting;But low creep strength, prone to natural aging changes size.The melting method, die casting and pressure processing timber.According to the manufacturing process can be divided into cast zinc-base alloy and deformation of zinc base alloy.

We offered various kinds of pillow block bearing.

Cast iron housing+chrome steel bearing

Zinc alloy housing +chrome steel bearing

Plastic housing+stainless steel bearing

Stainless steel housing+stainless steel bearing

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Cage: With Cage
Rows Number: Single
Load Direction: Radial Bearing
Samples:
US$ 30/Piece
1 Piece(Min.Order)

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Order Sample

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ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?

Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:

  • Contaminant Exclusion:

Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.

  • Lubrication Retention:

Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.

  • Corrosion Prevention:

Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.

  • Extended Bearing Life:

Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.

  • Enhanced Performance in Harsh Environments:

In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.

  • Noise and Vibration Reduction:

Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.

  • Customized Protection:

Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.

  • Trade-Offs:

While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.

Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

  • Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

  • Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

  • Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

  • Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

  • Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

  • Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

  • Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

  • Lifespan Extension:

Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

  • Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

  • Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China factory Ssuc205 Suc205 Bearing Stainless Steel Pillow Block Ball Bearing   deep groove ball bearingChina factory Ssuc205 Suc205 Bearing Stainless Steel Pillow Block Ball Bearing   deep groove ball bearing
editor by CX 2024-05-15

China Custom High Satisfaction Plastic Bearing with Steel Balls Sliding Roller with ISO (ML-AU054) deep groove ball bearing

Product Description

HangZhou CZPT PULLEY MANUFACTURE CO., LTD. has been specialized in manufacturing Plastic Pulley/Rollers, Die-punching Pulley/Bearing, and Non-standard Bearings for about 25 years. It is located in HangZhou city of ZHangZhoug Province, which has convenient transportation benefited from Nignbo Seaport, HangZhou International Airport and the highway networks. Our company covers an area of 7000 m², with building area of 10500 m². Relying on advanced processing equipments and technology, and strict inspection system, our company is CZPT to provide good-quality and competitive products, and has gained a good reputation among customers.
We are committed  to developing  and designing  different  kinds of non-standard pulley  bearings, with an annual production  capacity  of 120 million sets. We export to more than 70 countries  and areas, like USA, Canada, Spain, Germany, France and Italy, etc.
Our company maintains our quality system to ISO 9001:2000, and has been audited by SGS for our production operations. We will continuously seek to provide our customers with good-quality products, excellent service and most competitive price. We look forward to building long-term business relationship with you and achieving our mutual benefits.
 

About us

name High satisfaction Plastic Bearing with Steel Balls Sliding Roller with ISO(ML-AU054)
Brand  name According to customers’ requirements
Size As per the customer’s technic drawing or samples
material pom,pa6,pa66,nylon,pvc,abs…wheels,Aluminium,Zinc,Stainless steel frame
Technical process bearing production assembling,zinc plating,injection,turning
Color orange,white,black,yellow
Types customized
Payment terms A:100% TT
B: 30% T/T in advance .70% against copy of  B/L
Application caster wheel , small pulley , window , sliding door ,door closet wardrobe system…
Product Description 1.Item No.: as shown in the picture.
2.Material: steel/zinc/aluminum/plastic bracket + ball bearing / needle bearing wheel
3.For some models, the height of the roller is adjustable.
4.Color of the wheel: red, green, white, orange, etc.
5.Application: sliding door and window, binds, rolling shutters, furniture, conveyor belt, etc.
6.Normal packing: poly bag + outer carton

 

 

Contact Us

HangZhou CZPT Pulley Manufacture Co., Ltd.

WEB: http://nbminli /  
ADDRESS: No.9 CZPT Road, CZPT Industrial Zone, Xihu (West Lake) Dis. District, HangZhou, China

Comparable products

 

FAQ

Q: How to get a quotation and start business relationship with your company?
 A: Please send us email and our sales representive will contact you as soon as we receive your email.
Q: How to receive a quotaion in the shortest time?
 A: When you send us an enquiry, please try to provide more details, such as product size, photo or drawing, order quantity, etc. 
Q: How to start an OEM project with your company?
 A: Please send us your designed drawings or original samples so that we can offer a quotation first. If all details are confirmed, we will arrange sample production once received your deposit .
Q: What’s your MOQ?
A: The MOQ depends on the design and production processes of the products. Nomally our company MOQ is 10000pc , but it can be much more or less depending on different product types. Therefore, we recommend you to tell us your required quantity first.
Q:How long can I receive an order?
A: That depends on the specific items and your order quantity. The lead time varies from 30 to 90 days.

Why choose us

 

1.Professional experience: almost 20 years’ expenience in non-standard bearings, rollers, pulleys, and other plastic accessories for door and window.
2.Popular over the world: over 20 market countries.
3.Advantage: good quality with competitive price.
4.OEM offered: technical drawings, samples or photos are needed.

For more information, please visit http://nbminli /  

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Micro(≤26mm)
Samples:
US$ 1/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Customized Request

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ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:

  • Unusual Noise:

If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.

  • Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

  • Increased Temperature:

Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.

  • Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

  • Reduced Performance:

If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.

  • Visible Wear or Damage:

Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.

  • Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

  • Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

  • Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

  • Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

ball bearing

What Role do Seals and Shields Play in Protecting Ball Bearings from Dirt and Debris?

Seals and shields are critical components of ball bearings that play a crucial role in protecting them from dirt, debris, moisture, and contaminants in various applications. These protective features help maintain the integrity of the bearing’s internal components and ensure reliable operation. Here’s how seals and shields contribute to bearing protection:

  • Contaminant Exclusion:

Seals and shields create a physical barrier between the external environment and the bearing’s interior. They prevent dust, dirt, water, and other contaminants from entering the bearing and coming into contact with the rolling elements and raceways.

  • Lubrication Retention:

Seals and shields help retain lubrication within the bearing. They prevent the lubricant from escaping and contaminants from entering, ensuring that the bearing remains properly lubricated for smooth operation and reduced friction.

  • Corrosion Prevention:

Seals and shields protect bearing components from exposure to moisture and corrosive substances. By preventing moisture ingress, they help extend the bearing’s lifespan by minimizing the risk of corrosion-related damage.

  • Extended Bearing Life:

Seals and shields contribute to the overall longevity of the bearing by reducing wear and damage caused by contaminants. They help maintain a clean internal environment, which promotes proper rolling contact and minimizes the risk of premature failure.

  • Enhanced Performance in Harsh Environments:

In applications exposed to harsh conditions, such as outdoor machinery or industrial settings, seals and shields are vital. They protect bearings from abrasive particles, chemicals, and extreme temperatures, ensuring reliable performance despite challenging conditions.

  • Noise and Vibration Reduction:

Seals and shields can help reduce noise and vibration generated by the bearing. They provide additional damping and stability, contributing to smoother operation and enhanced user comfort in noise-sensitive applications.

  • Customized Protection:

Manufacturers offer a variety of seal and shield designs to suit different application requirements. Some seals provide higher levels of protection against contamination, while others are designed for high-speed or high-temperature environments.

  • Trade-Offs:

While seals and shields offer significant benefits, they can also introduce some friction due to contact with the bearing’s inner or outer ring. Engineers must balance the level of protection with the desired operating characteristics, considering factors like friction, speed, and environmental conditions.

Overall, seals and shields play a vital role in maintaining the integrity and performance of ball bearings. By effectively preventing contaminants from entering and preserving lubrication, they ensure the smooth and reliable operation of machinery and equipment in a wide range of applications.

ball bearing

Can you Explain the Various Types of Ball Bearings and their Specific Use Cases?

Ball bearings come in various types, each designed to meet specific application requirements. Here’s an overview of the different types of ball bearings and their specific use cases:

  • Deep Groove Ball Bearings:

Deep groove ball bearings are the most common and versatile type. They have a deep raceway that allows them to handle both radial and axial loads. They are used in a wide range of applications, including electric motors, household appliances, automotive components, and industrial machinery.

  • Angular Contact Ball Bearings:

Angular contact ball bearings have a contact angle that enables them to handle both radial and axial loads at specific angles. They are suitable for applications where combined loads or thrust loads need to be supported, such as in machine tool spindles, pumps, and agricultural equipment.

  • Self-Aligning Ball Bearings:

Self-aligning ball bearings have two rows of balls and are designed to accommodate misalignment between the shaft and the housing. They are used in applications where shaft deflection or misalignment is common, such as conveyor systems, textile machinery, and paper mills.

  • Thrust Ball Bearings:

Thrust ball bearings are designed to support axial loads in one direction. They are commonly used in applications where axial loads need to be supported, such as in automotive transmissions, steering systems, and crane hooks.

  • Single-Row vs. Double-Row Bearings:

Single-row ball bearings have a single set of balls and are suitable for moderate load and speed applications. Double-row ball bearings have two sets of balls and offer higher load-carrying capacity. Double-row designs are used in applications such as machine tool spindles and printing presses.

  • Miniature and Instrument Ball Bearings:

Miniature ball bearings are smaller in size and are used in applications with limited space and lower load requirements. They are commonly used in small electric motors, medical devices, and precision instruments.

  • Max-Type and Conrad Bearings:

Max-type ball bearings have a larger number of balls to increase load-carrying capacity. Conrad bearings have fewer balls and are used in applications with moderate loads and speeds.

  • High-Precision Ball Bearings:

High-precision ball bearings are designed for applications where accuracy and precision are critical, such as machine tool spindles, aerospace components, and optical instruments.

  • High-Speed Ball Bearings:

High-speed ball bearings are engineered to minimize friction and accommodate rapid rotation. They are used in applications such as dental handpieces, turbochargers, and centrifuges.

In summary, the various types of ball bearings are tailored to different application requirements, including load type, direction, speed, and environmental conditions. Selecting the appropriate type of ball bearing ensures optimal performance and longevity in specific applications.

China Custom High Satisfaction Plastic Bearing with Steel Balls Sliding Roller with ISO (ML-AU054)   deep groove ball bearingChina Custom High Satisfaction Plastic Bearing with Steel Balls Sliding Roller with ISO (ML-AU054)   deep groove ball bearing
editor by CX 2024-05-14

China supplier 360 Degree Rotation Swivel Wheels Roller Steel Ball Transfer Bearings bearing block

Product Description

 

Detailed Photos

 

 

 

Name Ball transfer unit
Material Nylon/BOM/Plastic/Steel
Load capacity 80 kg/unit
Size Ball diameter 25.4mm etc
Application 1 Ball transfer table
Application 2 Airport materials handling
Application 3 Warehouse materials handling
Application 4 Manufacturing plant materials handling

Our Products

Packaging & Shipping

Company Profile

Seikonveyor is estabilshed in 2015 in ZheJiang , China, It started as a wholesaler of conveyors accessories(conveyor chain, conveyor belt, conveyor roller, sprocket/gear, etc), since its good performance(competitive price, good quality, professional solution and fast response) in China, Seikonveyor’s business has beening growing fast and decided to expand its scale. In 2019, it began exploring oversea market and established Seikonveyor Co., Limited(HongKong). In 2571, Seikonveyor(HangZhou) is established, it began to offer conveyor solution, conveyor system for materials handling industry, and assembly lines for Home appliances factories. Its aim is to built Seiko quality conveyors and servse, In 2571, Seikonveyor set on B2B platform in Made In China to provide great varieties of Conveyor asseccories, conveyors, and assembly lines. Its aim is to built Seiko quality conveyors and serve high efficiency aotomatic to customers all over the world.

FAQ

1. who are we?
We are based in ZheJiang , China, start from 2006,sell to Domestic Market(86.00%),Southeast Asia(4.00%),South America(2.00%),North America(00.00%),Eastern Europe(00.00%),Africa(00.00%),Oceania(00.00%),Mid East(00.00%),Eastern Asia(00.00%),Western Europe(00.00%),Northern Europe(00.00%). There are total about 301-500 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Home Appliances Assembly Line / Conveyor / Conveyor Roller,Conveyor Chain,Aluminum Parts

4. why should you buy from us not from other suppliers?
We have our competitive advantage as below 1) We have our self-built industrial park. 2)We have first class management team. 3)We have professional and experienced technicians. 4)We have advanced processing machine.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: 45°
Aligning: Aligning Bearing
Separated: Unseparated
Samples:
US$ 30/Piece
1 Piece(Min.Order)

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Order Sample

1 pcs
Customization:
Available

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Customized Request

.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}

Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

What are the Common Signs of Wear or Damage in Ball Bearings that Indicate the Need for Replacement?

Ball bearings are subjected to wear and stress during operation, and over time, they may exhibit signs of damage or deterioration that warrant replacement. Recognizing these signs is crucial to prevent catastrophic failure and ensure safe and reliable operation. Here are the common signs of wear or damage in ball bearings:

  • Unusual Noise:

If you hear unusual grinding, clicking, or rumbling noises coming from the bearing during operation, it may indicate worn-out or damaged components. Unusual noise suggests that the bearing is no longer operating smoothly.

  • Vibration:

Excessive vibration in the machinery can be a sign of bearing wear. Vibrations can result from uneven wear, misalignment, or damaged components within the bearing.

  • Increased Temperature:

Higher operating temperatures than usual may indicate increased friction due to inadequate lubrication, wear, or other issues. Monitoring the bearing’s temperature can help identify potential problems.

  • Irregular Movement:

If you notice irregular movement, jerking, or sticking during rotation, it could be a sign that the bearing is no longer operating smoothly. This may be due to damaged rolling elements or raceways.

  • Reduced Performance:

If the machinery’s performance has decreased, it may be due to a compromised bearing. Reduced efficiency, increased energy consumption, or a decline in overall performance could be indicators of bearing wear.

  • Visible Wear or Damage:

Inspect the bearing for visible signs of wear, such as pitting, scoring, or discoloration on the rolling elements or raceways. Severe wear or damage is a clear indication that the bearing needs replacement.

  • Leakage or Contamination:

If there is evidence of lubricant leakage, contamination, or the presence of foreign particles around the bearing, it suggests that the seal or shield may be compromised, leading to potential damage.

  • Looseness or Excessive Play:

If you can feel excessive play or looseness when manually moving the bearing, it could indicate worn-out components or misalignment.

  • Reduced Lifespan:

If the bearing’s expected lifespan is significantly shorter than usual, it may be due to inadequate lubrication, excessive loads, or improper installation, leading to accelerated wear.

  • Frequent Failures:

If the bearing is consistently failing despite regular maintenance and proper use, it could indicate a chronic issue that requires addressing, such as inadequate lubrication or misalignment.

It’s important to conduct regular inspections, monitor performance, and address any signs of wear or damage promptly. Replacing worn or damaged ball bearings in a timely manner can prevent further damage to machinery, reduce downtime, and ensure safe and efficient operation.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

  • Load Type and Magnitude:

Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

  • Speed and Operating Conditions:

Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

  • Accuracy and Precision:

For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

  • Space Limitations:

If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

  • Thrust and Radial Loads:

Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

  • Alignment and Misalignment:

If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

  • Mounting and Installation:

Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

  • Lubrication and Maintenance:

Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

  • Environmental Conditions:

Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

  • Bearing Material:

Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

  • Bearing Arrangement:

Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

China supplier 360 Degree Rotation Swivel Wheels Roller Steel Ball Transfer Bearings   bearing blockChina supplier 360 Degree Rotation Swivel Wheels Roller Steel Ball Transfer Bearings   bearing block
editor by CX 2024-04-29

China Custom Free Samples High Quality Miniature Bearing 15*21*4mm Deep Groove Ball Bearing S6702-2RS Stainless Steel Thin Wall Bearing ball bearing

Product Description

Free Samples High Quality Miniature Bearing 15*21*4mm Deep Groove Ball Bearing S6702-2RS Stainless Steel Thin Wall Bearing

We provide Miniature Deep Groove Ball Bearings. Main numbers are :609, 608, 607, 606, 605, 604, 625,626, , has ZZ 2RS and double groove on the outer ring. Single row deep groove ball bearings have 2 designs: open or closed seal (with seal or dust cover). Open bearings can also be installed with seals or dust covers, and there are generally grooves on the side of the inner ring. 

1. Miniature bearing in metric desings(d=1mm–9mm)
X 681XZZ 691X 691XZZ 601X 601XZZ 682 682ZZ MR52 MR52ZZ 692 692-2RS 692ZZ MR62 MR62ZZ MR72 MR72-2RS MR72ZZ 602 602-2RS 602ZZ 682X 682XZZ 692X 692X-2RS 692XZZ MR82X 602X 602XZZ MR63 MR63ZZ 683 683-2RS 683ZZ MR83 MR83ZZ 693 693-2RS 693ZZ MR93 MR93ZZ 603 603ZZ 623 623-2RS 623ZZ 633 633-2RS 633ZZ…

2. Miniature bearing in inch designs(d=1.984mm–9.525mm)
R09 R0 R0ZZ R1 R1ZZ R1-4 R1-4-2RS R1-4ZZ R1-5 R1-5-2RS R1-5ZZ R133 R133ZZ R144 R144-2RS R144ZZ R2 R2-2RS R2ZZ R2-5 R2-5-2RS R2-5ZZ R2-6 R2-6-2RS R2-6ZZ R2A R2AZZ R155 R155ZZ R156 R156-2RS R156ZZ R166 R166-2RS R166ZZ R3 R3-2RS R3ZZ R3A-2RS R3AZZ R168 R168-2RS R168ZZ R4 R4-2RS R4ZZ R4A R4A-2RS R4AZZ R1810 R1810-2RS R1810ZZ R6 R6-2RS R6ZZ…

1’miniature flanged bearings in metric desings(d=1mm–12mm)
F681 F691 MF41X F681X F681XZZ F691X F691XZZ F601X F601XZZ F682 F682ZZ MF52 MF52ZZ F692 F692-2RS F692ZZ MF62 MF62ZZ MF72 MF72-2RS MF72ZZ F602 F602ZZ F682X F682XZZ F692X F692X-2RS F692XZZ MF82X F602X F602X-2RS F602XZZ MF63 MF63ZZ F683 F683-2RS F683ZZ MF83 MF83ZZ F693 F693-2RS F693ZZ MF93 MF93ZZ F603 F603ZZ F623 F623-2RS F623ZZ MF74 MF74ZZ…

2’miniature flanged bearings in inch desings(d=1.984–9.525)
FR0 FR0ZZ FR1 FR1ZZ FR1-4 FR1-4-2RS FR1-4ZZ FR1-5 FR1-5-2RS FR1-5ZZ FR133 FR133ZZ FR144 FR144-2RS FR144ZZ FR2 FR2-2RS FR2ZZ FR2-5 FR2-5-2RS FR2-5ZZ FR2-6 FR2-6-2RS FR2-6ZZ FR155 FR155ZZ FR156 FR156-2RS R156ZZ R166 R166-2RS R166ZZ FR3 FR3-2RS FR3ZZ FR168 FR168-2RS FR168ZZ FR4 FR4-2RS FR4ZZ R4A R4A-2RS R4AZZ FR1810 FR1810-2RS FR1810ZZ FR6 FR6-2RS FR6ZZ…

Materials
The performance and reliability of rolling bearings are greatly affected by the materials which the bearing components are made from.BXY bearing rings and balls are made of high quality of GCr15 vacuum-degassed bearing steel.Chemical composition of GCr15 bearing steel is basically equivalent to some representative bearing steel as the chart shown below.

Chemical composition of high-carbon chrome bearing steel

Standard Code Material Analysis(%)
C Si Mn Cr Mo P S
GB/T GCr15 0.95-1.05 0.15-0.35 0.25-0.45 1.40-1.65 <=0.08 <=0.571 <=0.571
DIN 100Cr6 0.95-1.05 0.15-0.35 0.25-0.45 1.40-1.65   <=0.030 <=0.571
ASTM 52100 0.98-1.10 0.15-0.35 0.25-0.45 1.30-1.60 <=0.10 <=0.571 <=0.571
JIS SUJ2 0.98-1.10 0.15-0.35 <=0.50 1.30-1.60   <=0.571 <=0.571

Deep Groove Ball Bearing Features:

High speed: high bearing speed, not easy to get hot

High precision: bearing material is selected from bearing steel, with high precision

High torque: high torque makes friction less and prolongs service life

High quietness: low bearing noise, good quietness effect,

Corrosion resistance: bearing steel has strong corrosion resistance

Products Packing

Our packaging is also very variable, the purpose is to meet the needs of different customers.The commonly used packages are as follows:
1.Industrial package /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Contact Angle: 60°
Aligning: Non-Aligning Bearing
Separated: Unseparated
Rows Number: Single
Load Direction: Radial Bearing
Material: Bearing Steel
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China Custom Free Samples High Quality Miniature Bearing 15*21*4mm Deep Groove Ball Bearing S6702-2RS Stainless Steel Thin Wall Bearing   ball bearingChina Custom Free Samples High Quality Miniature Bearing 15*21*4mm Deep Groove Ball Bearing S6702-2RS Stainless Steel Thin Wall Bearing   ball bearing
editor by CX 2024-04-24

China manufacturer 609 2z 2rz Miniature Bearing Stainless Steel High Quality Deep Groove Ball Bearings 609 Mini Bearing 9*24*7mm 608 608z 608zz 608RS 608 2RS Ball Bearing with Good quality

Product Description

Rear Hot Selling Wheel Bearing Hub Bearing Dac34640037 Dac3464G12rscs42 

Wheel hub bearing is the main function of bearing and provide accurate CZPT to the rotation of the wheels, it was under axial load and bear radial load, is a very important component. Traditional car wheel with bearing is combined by 2 sets of tapered roller bearings or ball bearings, and the installation of the bearing, oil seal and clearance adjustment is carried out on the auto production line. This structure makes it in the car factory assembly difficulty, high cost and poor reliability, and when the car in pits maintenance, also need to clean, oil bearing and adjustment. Wheel hub bearing unit is in the standard angular contact ball bearings and tapered roller bearings, on the basis of it will be 2 sets of bearing as a whole, has the assembly clearance adjustment performance is good, can be omitted, light weight, compact structure, large load capacity, for the sealed bearing prior to loading, ellipsis external wheel grease seal and from maintenance etc, and has been widely used in cars, in a truck also has a tendency to gradually expand the application

Double row roller or ball wheel bearings, composed of 2 interior sets housed in 1 outer ring, can withstand large radial and axial loads in both directions.

They allow for rigid bearing arrangements and are suitable for bearing arrangements where rigid axial guidance is required.
The double row roller/ball wheel bearing allow for space saving applications and in many cases the bearing require no maintenance since it’s lubricated for life.

Widely used in Paper machines, conveyor equipment, rotary kilns, drums, tube mills, converters, large electrical machines,
 rail vehicles,the mining, metallurgical, chemical industry, agriculture, transportation and other machinery.
Production process 
1. CZPT machining of steel pipe;
2. The inner & outer ring grinding;
3. The precision work of inner ring & outer ring;
4. Bearing cleaning;
5. The Assembly of inner ring , outer ring , bearing balls & cage, etc;
6. Bearing inspection( precison, noise & vibration levels);
7. Packing: in box , then in carton, or as the customers’ request…

        (mm) ()
d1 D   C
DAC25525716 565592     25 52 20.6 20.6 0.19
DAC25520037 156704     25 52 37 37 0.31
DAC25520042   617546A 25BWD01 25 52 42 42 0.36
DAC25520043 546467/576467 BT2B445539AA   25 52 43 43 0.36
DAC25550043       25 55 43 43 0.44
DAC25560032 445979 BAH5000   25 56 32 32 0.34
DAC29530037 857123AB     29 53 37 37 0.35
DAC30600037       30 60 37 37 0.42
DAC30600337 529891AB BA2B633313CA 30BWD07 30 60.3 37 37 0.42
DAC30600337 545312/581736 434201B/VKBA1307 30BWD07 30 60.3 37 37 0.42
DAC34620037 531910/561447 BAHB311316B/3 0571 4   34 62 37 37 0.41
DAC34640034   VKBA1382 34BWD03/ACA78 34 64 34 34 0.43
DAC34640037 532066DE 605214/VKBA1306 34BWD04/BCA70 34 64 37 37 0.47
DAC34640037 540466B/8571 BA2B3 0571 6 34BWD11 34 64 37 37 0.47
DAC34660037 559529/580400CA 636114A/479399 34BWD10B 34 66 37 37 0.5
DAC35640037   BAH0042   35 64 35 35 0.4
DAC35650035 546238A BA2B443952/445620B   35 65 35 35 0.4
DAC35650037     35BWD19E 35 65 37 37 0.51
DAC35660032   445980A/BAH-5001A   35 66 32 32 0.42
DAC35660033   633676/BAH-0015   35 66 33 33 0.43
DAC35660037 544307C/581571A 311309/BAH-571   35 66 37 37 0.48
DAC35680037 430042C 633528F/633295B 35BWD21(4RS) 35 68 37 37 0.52
DAC35680037 541153A/549676 BAH0031   35 68 37 37 0.52
DAC35720033 548083 BA2B445535AE XGB 4571 35 72 33 33 0.58
DAC35720033 548033 456162/44762B XGB 4571 35 72 33 33 0.58
DAC3572571   BAHB633669/BAH0013   35 72.04 33 33 0.58
DAC35725713/31 562686 VKBA1343 35BWD06ACA111 35 72.02 33 31 0.54
DAC35720034 54 0571 /548376A VKBA857 35BWD01C 35 72 34 34 0.58
DAC35770042   VKBA3763   34.99 77.04 42 42 0.86
DAC37720033   BAH0051B   37 72 33 33 0.51
DAC37720037   BAH0012AM5S   37 72 37 37 0.59
DAC37725717 527631 633571CB   37 72.02 37 37 0.59
DAC37740045 541521C 35715A 37BWD01B 37 74 45 45 0.79
DAC38700037 ZFRTBRGHOO37 BAHB636193C   38 70 37 37 0.56
DAC38700038   686908A 38BWD31CA53 38 70 38 38 0.57
DAC38710033/30   FW135 38BWD09ACA120 37.99 71.02 33 30 0.5
DAC38710039 574795A VKBA3929 30BWD22 37.99 71 39 39 0.62
DAC38720036/33     30BWD12 38 72 36 33  
DAC38720040 575069B VKBA1377   38 72 40 40 0.63
DAC38730040   VKBA3245 38BWD26E 38 73 40 40 0.67
DAC38740036/33 574795A DAD3874368W 38BWD01ACA121 38 74 36 33 0.

Specifications
Wheel hub Bearings
1. High quality and competitive price
2. Excellent in craftsmanship
3. Low noise and long life

Company information:

Guanxian Xinyan Pillow Block Bearing Co.,ltd. is based in ZheJiang (CHINA) since 2011 and is 1 of the biggest authorized manufactures and exporters of bearing. We’ve been dedicated to provide all types of hiigh quality bearings to OEM, Retailers and traders throughout international market since the moment established. Pillow block bearings, bearings housing,insert bearings and deep groove ball bearings are all we specialized. We are also developing nonstandard bearings as per the drawings from customers. 
Up to now, we have exported our goods to Italy, Brazil, Argentina, Poland, India, Pakistan, Bangladesh,Thailand etc. First class service, efficient delivery methods, the most competitive quality-price ratio, we dedicated to provide you quality brand bearings. Sincerely welcome new and old customers visit and build cooperation.


 
Packing :
Single box + cartons + pallets or as your requirements.

Shipping:

By Air  / By Sea /By Express

a. For small weight or Urgent, goods will be delivery   

     by Express DHL/FedEX/UPS/TNT/EMS
 b.For max production,goods will be shipped by sea/by air.
c.According to your requirements

Why choose BXY?
Quality, loyalty and service is our faith!
Deemed continuous improvement as our permanent pursuits.
Q1.: How many the MOQ of your company?
A1.: Our company MOQ is 1pcs.

Q2.: Could you accept OEM and customize?
A2.:YES, we can customize for you according to sample or drawing.

Q3.: Could you supply sample for free?
A3.: Yes, we can supply sample for free, but need our customer afford freight.

Q4. : Does your factory have CE?
A4.: Yes, we have ISO 9001:2008, and SASO. If you want other CE, we can do for you.

Q5.: Is it your company is factory or Trade Company?
 A5.: We have our own factory; our type is factory + trade.

Q6.:  What time the guarantee of your bearing quality guarantee period:?
A6.: 6 months ,Customer need supply photos and send bearing back.

Q7.: Could you tell me the payment term of your company can accept?
A7.: T/T, Western Union, PayPal, T/T, L/C

Q8.: Could you tell me the delivery time of your goods?
A8.: 7-15 days , mostly base on your order quantity  

If  you have any problems pls feel free to contact with me, thank you.
Contact  Tracy
 

 

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Material: Bearing Steel
Hardness: 60-62
Clearance: C0, C1, C2, C3
Vibration: Z1V1, Z2V2, Z3V3
Certisificate: Is09000-2008
Tolerance: ABEC-3, ABEC-5, ABEC-7
Customization:
Available

|

Customized Request

ball bearing

How does Preload Affect the Performance and Efficiency of Ball Bearings?

Preload is a crucial factor in ball bearing design that significantly impacts the performance, efficiency, and overall behavior of the bearings in various applications. Preload refers to the intentional axial force applied to the bearing’s rolling elements before it is mounted. This force eliminates internal clearance and creates contact between the rolling elements and the raceways. Here’s how preload affects ball bearing performance:

  • Reduction of Internal Clearance:

Applying preload reduces the internal clearance between the rolling elements and the raceways. This eliminates play within the bearing, ensuring that the rolling elements are in constant contact with the raceways. This reduced internal clearance enhances precision and reduces vibrations during operation.

  • Increased Stiffness:

Preloaded bearings are stiffer due to the elimination of internal clearance. This increased stiffness improves the bearing’s ability to handle axial and radial loads with higher accuracy and minimal deflection.

  • Minimized Axial Play:

Preload minimizes or eliminates axial play within the bearing. This is especially important in applications where axial movement needs to be minimized, such as machine tool spindles and precision instruments.

  • Enhanced Rigidity:

The stiffness resulting from preload enhances the bearing’s rigidity, making it less susceptible to deformation under load. This is critical for maintaining precision and accuracy in applications that require minimal deflection.

  • Reduction in Ball Slippage:

Preload reduces the likelihood of ball slippage within the bearing, ensuring consistent contact between the rolling elements and the raceways. This leads to improved efficiency and better load distribution.

  • Improved Running Accuracy:

Preloading enhances the running accuracy of the bearing, ensuring that it maintains precise rotational characteristics even under varying loads and speeds. This is essential for applications requiring high accuracy and repeatability.

  • Optimized Performance at High Speeds:

Preload helps prevent skidding and slipping of the rolling elements during high-speed operation. This ensures that the bearing remains stable, reducing the risk of noise, vibration, and premature wear.

  • Impact on Friction and Heat Generation:

While preload reduces internal clearance and friction, excessive preload can lead to higher friction and increased heat generation. A balance must be struck between optimal preload and minimizing friction-related issues.

  • Application-Specific Considerations:

The appropriate amount of preload depends on the application’s requirements, such as load, speed, accuracy, and operating conditions. Over-preloading can lead to increased stress and premature bearing failure, while under-preloading may result in inadequate rigidity and reduced performance.

Overall, preload plays a critical role in optimizing the performance, accuracy, and efficiency of ball bearings. Engineers must carefully determine the right preload level for their specific applications to achieve the desired performance characteristics and avoid potential issues related to overloading or inadequate rigidity.

ball bearing

Are there any Industry Standards or Certifications that Ball Bearings should Meet?

Yes, there are several industry standards and certifications that ball bearings should meet to ensure their quality, performance, and reliability. These standards help manufacturers, engineers, and customers assess the suitability of bearings for specific applications. Some of the key standards and certifications for ball bearings include:

  • ISO Standards:

The International Organization for Standardization (ISO) has developed a series of standards related to ball bearings. ISO 15 defines dimensions, boundary dimensions, and tolerances for radial bearings. ISO 281 specifies dynamic load ratings and calculation methods for bearings’ life calculations.

  • ABEC (Annular Bearing Engineering Committee) Ratings:

ABEC ratings are commonly used in North America to indicate the precision and performance of ball bearings. Ratings range from ABEC 1 (lowest precision) to ABEC 9 (highest precision). However, it’s important to note that ABEC ratings focus primarily on dimensional tolerances and do not encompass all aspects of bearing quality.

  • DIN Standards:

The German Institute for Standardization (Deutsches Institut für Normung, DIN) has published various standards related to ball bearings. DIN 625 covers dimensions for deep groove ball bearings, while DIN 616 provides guidelines for precision angular contact ball bearings.

  • JIS (Japanese Industrial Standards):

JIS standards are used in Japan and internationally to define the characteristics and dimensions of various products, including ball bearings. JIS B 1512 outlines the classification and dimensions of rolling bearings.

  • ASTM (American Society for Testing and Materials) Standards:

ASTM has standards that cover various aspects of bearing testing, performance, and materials. ASTM F2215, for instance, specifies the requirements for ball bearings used in surgical implants.

  • CE Marking:

CE marking indicates that a product complies with European Union health, safety, and environmental requirements. It may be required for bearings used in machinery intended to be sold within the EU market.

  • Industry-Specific Standards:

Various industries, such as aerospace, automotive, medical, and nuclear, have specific standards or certifications that bearings must meet to ensure safety, reliability, and compliance with industry-specific requirements.

  • Quality Management Systems:

Manufacturers that adhere to quality management systems, such as ISO 9001, demonstrate their commitment to consistent product quality and customer satisfaction. Certification to these systems indicates that the manufacturing process follows established protocols and best practices.

When selecting ball bearings, it’s important to consider the relevant standards and certifications that align with the application’s requirements. This ensures that the bearings meet recognized quality and performance criteria, ultimately contributing to reliable and efficient operation.

ball bearing

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China manufacturer 609 2z 2rz Miniature Bearing Stainless Steel High Quality Deep Groove Ball Bearings 609 Mini Bearing 9*24*7mm 608 608z 608zz 608RS 608 2RS Ball Bearing   with Good qualityChina manufacturer 609 2z 2rz Miniature Bearing Stainless Steel High Quality Deep Groove Ball Bearings 609 Mini Bearing 9*24*7mm 608 608z 608zz 608RS 608 2RS Ball Bearing   with Good quality
editor by CX 2024-04-16

China Hot selling Stainless Steel Shielded Miniature S696zz Single Row Metric Sealed Ball Bearing bearing bronze

Product Description

Bearings 608 6 ZZ 2RS With Double Grooves :
Textile Machinery ( 6209 6210 RS ZZ Open)
Bike Bicycle Home Gym Equipment Fitness Treadmill Woodway Ceramic Stainless Steel Ceiling Fan Roller Conveyor Transmission Parts Ball Bearing
Ceramic Bearings, Stainless Steel Bearings, Insulated Bearings, Polyformaldehyde Bearings,PA6 Bearing
Standard Deep Groove Ball Bearings 608ZZ bearings with single or double deep groove outer ring,
It is good for Convex Plastic Roller easily.

1. Bearings Type: 608ZZ , 608 2RS , 626,6200,6201,6000.6001,6002,6300,6301…….
2. Brand Name: NMN.
3, Clearance: C0,C1,C2,C3,C4,C5 etc.
4, Vibration: ZIV1,Z2V2,Z3V3 , Z4V4
5. Precision Rating: ABEC-1/ P0, ABEC-3/P6, ABEC-5/P5, ABEC-7/P4
6. Seals Type: open , RS,2RS ,Z, ZZ,2Z
7. Ball Bearings Number of Row: Single Row , Double Row .
8. Material: Chrome steel, Stainless stee 
9. Cage: Steel,Brass,Nylon

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Precision Rating: P0, P6, P5, P4, P2
Feature: Stable Performance:Low Voice
Price of Inch Ball Bearing: More Competitive
Samples:
US$ 1/Piece
1 Piece(Min.Order)

|

Order Sample

Free samples
Customization:
Available

|

Customized Request

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ball bearing

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?

Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:

  • Automotive Industry:

Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.

  • Aerospace Industry:

In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.

  • Industrial Machinery:

Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.

  • Medical Equipment:

In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.

  • Robotics and Automation:

Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.

  • Renewable Energy:

Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.

  • Marine and Shipbuilding:

Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.

  • Heavy Equipment and Construction:

In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.

  • Electronics and Consumer Appliances:

Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.

  • Oil and Gas Industry:

In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.

These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

ball bearing

What are the Different Components that Make up a Typical Ball Bearing?

A typical ball bearing consists of several essential components that work together to reduce friction and support loads. Here are the main components that make up a ball bearing:

  • Outer Ring:

The outer ring is the stationary part of the bearing that provides support and houses the other components. It contains raceways (grooves) that guide the balls’ movement.

  • Inner Ring:

The inner ring is the rotating part of the bearing that attaches to the shaft. It also contains raceways that correspond to those on the outer ring, allowing the balls to roll smoothly.

  • Balls:

The spherical balls are the rolling elements that reduce friction between the inner and outer rings. Their smooth rolling motion enables efficient movement and load distribution.

  • Cage or Retainer:

The cage, also known as the retainer, maintains a consistent spacing between the balls. It prevents the balls from touching each other, reducing friction and preventing jamming.

  • Seals and Shields:

Many ball bearings include seals or shields to protect the internal components from contaminants and retain lubrication. Seals provide better protection against contaminants, while shields offer less resistance to rotation.

  • Lubricant:

Lubrication is essential to reduce friction, wear, and heat generation. Bearings are typically filled with lubricants that ensure smooth movement between the balls and raceways.

  • Flanges and Snap Rings:

In some designs, flanges or snap rings are added to help position and secure the bearing in its housing or on the shaft. Flanges prevent axial movement, while snap rings secure the bearing radially.

  • Raceways:

Raceways are the grooved tracks on the inner and outer rings where the balls roll. The shape and design of the raceways influence the bearing’s load-carrying capacity and performance.

  • Anti-Friction Shield:

In certain high-speed applications, a thin anti-friction shield can be placed between the inner and outer rings to minimize friction and heat generation.

These components work together to enable the smooth rolling motion, load support, and reduced friction that characterize ball bearings. The proper design and assembly of these components ensure the bearing’s optimal performance and longevity in various applications.

China Hot selling Stainless Steel Shielded Miniature S696zz Single Row Metric Sealed Ball Bearing   bearing bronzeChina Hot selling Stainless Steel Shielded Miniature S696zz Single Row Metric Sealed Ball Bearing   bearing bronze
editor by CX 2024-04-15

China high quality Stainless Steel Ball Bearing S608 RS 8*22*7mm S608-2RS Miniature Ball Bearing for Merry Go Round bearing air

Product Description

 

 we manufacture metric  miniature ball bearing for industries,as well as inch sieries. the material could be chrome steel or stainless steel, bearing with flange is also available for choice.

ITEM  608zz,608-2rs
bore diameter(d)  8mm
outside diameter(D) 22mm
Width(B) 7mm
TYPE zz or rs
MATERIAL Gcr15 or 9Cr18
GREASE  
MEMO widely used in home appliance

 

 

 

PRODUCTS CATALOGUE

PART NUMBER SEAL TYPE Bore diameter(d) Outer diameter(D) Width(B) BALL SIZE(mm) BALL QTY weight(g)
681 open 1 3 1 0.6 6 0.03
691 open 1 4 1.6 0.8 5 0.11
681X open 1.5 4 1.2 0.6 7 0.1
681xzz Shield 1.5 4 2 0.6 7 0.14
691X open 1.5 5 2 0.6 6 0.2
691XZZ Shield 1.5 5 2.6 0.6 6 0.25
601X open 1.5 6 2.5 1.2 6 0.31
601XZZ Shield 1.5 6 3 1.2 6 0.4
682 open 2 5 1.5 0.8 6 0.15
682zz Shield 2 5 2.3 0.8 6 0.2
682-2RS Rubber seal 2 5 2.3 0.8 6 0.2
MR52 open 2 5 2 0.8 6 0.14
MR52ZZ Shield 2 5 2.5 0.8 6 0.2
MR52-2RS Rubber seal 2 5 2.5 0.8 6 0.2
692 open 2 6 2.3 1.2 6 0.28
692ZZ Shield 2 6 3 1.2 6 0.35
692-2RS Rubber seal 2 6 3 1.2 6 0.35
MR62 open 2 6 2.5 1.2 6 0.28
MR62ZZ Shield 2 6 2.5 1.2 6 0.33
MR62-2RS Rubber seal 2 6 2.5 1.2 6 0.33
MR72 open 2 7 2.5 1.2 7 0.43
MR72ZZ Shield 2 7 3 1.2 7 0.53
MR72-2RS Rubber seal 2 7 3 1.2 7 0.53
602 open 2 7 2.8 1.2 7 0.5
602ZZ Shield 2 7 3.5 1.2 7 0.6
602-2RS Rubber seal 2 7 3.5 1.2 7 0.6
682X open 2.5 6 1.8 0.8 8 0.2
682XZZ Shield 2.5 6 2.6 0.8 8 0.35
682X-2RS Rubber seal 2.5 6 2.6 0.8 8 0.35
692X open 2.5 7 2.5 1.2 7 0.4
692XZZ Shield 2.5 7 3.5 1.2 7 0.55
692X-2RS Rubber seal 2.5 7 3.5 1.2 7 0.55
MR82X open 2.5 8 2.5 1.588 6 0.52
MR82XZZ Shield 2.5 8 2.5 1.588 6 0.52
MR82X-2RS Rubber seal 2.5 8 2.5 1.588 6 0.52
602X open 2.5 8 2.8 1.588 6 0.61
602XZZ Shield 2.5 8 4 1.588 6 0.85
602X-2RS Rubber seal 2.5 8 4 1.588 6 0.85
MR63 open 3 6 2 0.8 8 0.2
MR63ZZ Shield 3 6 2.5 0.8 8 0.28
MR63-2RS Rubber seal 3 6 2.5 0.8 8 0.28
683 open 3 7 2 1 8 0.32
683ZZ Shield 3 7 3 1 8 0.45
683-2RS Rubber seal 3 7 3 1 8 0.45
MR83 open 3 8 2.5 1.2 7 0.51
MR83ZZ Shield 3 8 3 1.2 7 0.67
MR83-2RS Rubber seal 3 8 3 1.2 7 0.67
693 open 3 8 3 1.2 7 0.6
693ZZ Shield 3 8 4 1.2 7 0.8
693-2RS Rubber seal 3 8 4 1.2 7 0.8
MR93 open 3 9 2.5 1.588 6 0.75
MR93ZZ Shield 3 9 4 1.588 6 1.15
MR93-2RS Rubber seal 3 9 4 1.588 6 1.15
603 open 3 9 3 1.588 6 0.84
603ZZ Shield 3 9 5 1.588 6 1.13
603-2RS Rubber seal 3 9 5 1.588 6 1.13
623 open 3 10 4 1.588 7 1.45
623ZZ Shield 3 10 4 1.588 7 1.65
623-2RS Rubber seal 3 10 4 1.588 7 1.65
633 open 3 13 5 2.381 7 3.27
633ZZ Shield 3 13 5 2.381 7 3.43
633-2RS Rubber seal 3 13 5 2.381 7 3.43
MR74 open 4 7 2 1 8 0.23
MR74ZZ Shield 4 7 2.5 1 8 0.33
MR74-2RS Rubber seal 4 7 2.5 1 8 0.33
MR84 open 4 8 2 1.2 7 0.39
MR84ZZ Shield 4 8 3 1.2 7 0.56
MR84-2RS Rubber seal 4 8 3 1.2 7 0.56
684 open 4 9 2.5 1.588 7 0.65
684ZZ Shield 4 9 4 1.588 7 1
684-2RS Rubber seal 4 9 4 1.588 7 1
MR104 open 4 10 3 1.588 8 0.96
MR104ZZ Shield 4 10 4 1.588 8 1.33
MR104-2RS Rubber seal 4 10 4 1.588 8 1.33
694 open 4 11 4 2 7 1.69
694ZZ Shield 4 11 4 2 7 1.75
694-2RS Rubber seal 4 11 4 2 7 1.75
604 open 4 12 4 2 7 2.19
604ZZ Shield 4 12 4 2 7 2.34
604-2RS Rubber seal 4 12 4 2 7 2.34
624 open 4 13 5 2.381 7 3.1
624ZZ Shield 4 13 5 2.381 7 3.2
624-2RS Rubber seal 4 13 5 2.381 7 3.2
634 open 4 16 5 2.381 7 5.24
634ZZ Shield 4 16 5 2.381 7 5.44
634-2RS Rubber seal 4 16 5 2.381 7 5.44
MR85 open 5 8 2 1 8 0.25
MR85ZZ Shield 5 8 2.5 1 8 0.34
MR85-2RS Rubber seal 5 8 2.5 1 8 0.34
MR95 open 5 9 2.5 1.2 8 0.54
MR95ZZ Shield 5 9 3 1.2 8 0.58
MR95-2RS Rubber seal 5 9 3 1.2 8 0.58
MR105 open 5 10 3 1.2 8 0.58
MR105ZZ Shield 5 10 4 1.2 8 0.62
MR105-2RS Rubber seal 5 10 4 1.2 8 0.62
MR115 open 5 11 4 1.588 8 0.62
MR115ZZ Shield 5 11 4 1.588 8 0.62
MR115-2RS Rubber seal 5 11 4 1.588 8 0.62
685 open 5 11 3 1.588 8 1.16
685ZZ Shield 5 11 5 1.588 8 1.93
685-2RS Rubber seal 5 11 5 1.588 8 1.93
695 open 5 13 4 2 8 2.31
695ZZ Shield 5 13 4 2 8 2.39
695-2RS Rubber seal 5 13 4 2 8 2.39
605 open 5 14 5 2.381 7 3.46
605ZZ Shield 5 14 5 2.381 7 3.75
605-2RS Rubber seal 5 14 5 2.381 7 3.75
625 open 5 16 5 2.778 7 4.95
625ZZ Shield 5 16 5 2.778 7 5.1
625-2RS Rubber seal 5 16 5 2.778 7 5.1
635 open 5 19 6 3.5 6 8.5
635ZZ Shield 5 19 6 3.5 6 8.89
635-2RS Rubber seal 5 19 6 3.5 6 8.89
MR106 open 6 10 2.5 1.2 10 0.55
MR106ZZ Shield 6 10 3 1.2 10 0.7
MR106-2RS Rubber seal 6 10 3 1.2 10 0.7
MR126 open 6 12 3 1.588 8 1.25
MR126ZZ Shield 6 12 4 1.588 8 1.66
MR126-2RS Rubber seal 6 12 4 1.588 8 1.66
686 open 6 13 3.5 2 8 1.87
686ZZ Shield 6 13 5 2 8 2.68
686-2RS Rubber seal 6 13 5 2 8 2.68
696 open 6 15 5 2.381 7 3.65
696ZZ Shield 6 15 5 2.381 7 3.85
696-2RS Rubber seal 6 15 5 2.381 7 3.85
606 open 6 17 6 3.5 6 5.94
606ZZ Shield 6 17 6 3.5 6 6.89
606-2RS Rubber seal 6 17 6 3.5 6 6.89
626 open 6 19 6 3.5 6 8.12
626ZZ Shield 6 19 6 3.5 6 8.65
626-2RS Rubber seal 6 19 6 3.5 6 8.65
636 open 6 22 7 3.969 7 13.9
636ZZ Shield 6 22 7 3.969 7 14.5
636-2RS Rubber seal 6 22 7 3.969 7 14.5
MR117 open 7 11 2.5 1.2 9 0.59
MR117ZZ Shield 7 11 3 1.2 9 0.71
MR117-2RS Rubber seal 7 11 3 1.2 9 0.71
MR137 open 7 13 3 1.2 12 1.52
MR137ZZ Shield 7 13 4 1.2 12 2.01
MR137-2RS Rubber seal 7 13 4 1.2 12 2.01
687 open 7 14 3.5 2 9 2.03
687ZZ Shield 7 14 5 2 9 2.95
687-2RS Rubber seal 7 14 5 2 9 2.95
697 open 7 17 5 2 9 5.01
697ZZ Shield 7 17 5 2 9 5.26
697-2RS Rubber seal 7 17 5 2 9 5.26
607 open 7 19 6 3.5 6 7.8
607ZZ Shield 7 19 6 3.5 6 8.24
607-2RS Rubber seal 7 19 6 3.5 6 8.24
627 open 7 22 7 3.969 7 12.7
627ZZ Shield 7 22 7 3.969 7 13.1
627-2RS Rubber seal 7 22 7 3.969 7 13.1
637 open 7 26 9 4.762 7 24.2
637ZZ Shield 7 26 9 4.762 7 25.8
637-2RS Rubber seal 7 26 9 4.762 7 25.8
MR128 open 8 12 2.5 1.2 12 0.7
MR128ZZ Shield 8 12 3.5 1.2 12 0.99
MR128-2RS Rubber seal 8 12 3.5 1.2 12 0.99
MR148 open 8 14 3.5 1.588 10 1.9
MR148ZZ Shield 8 14 4 1.588 10 2.19
MR148-2RS Rubber seal 8 14 4 1.588 10 2.19
688 open 8 16 4 2 10 3.11
688ZZ Shield 8 16 5 2 10 4.05
688-2RS Rubber seal 8 16 5 2 10 4.05
698 open 8 19 6 3.175 7 7.12
698ZZ Shield 8 19 6 3.175 7 7.57
698-2RS Rubber seal 8 19 6 3.175 7 7.57
608 open 8 22 7 3.969 7 11.8
608ZZ Shield 8 22 7 3.969 7 12.9
608-2RS Rubber seal 8 22 7 3.969 7 12.9
628 open 8 24 8 3.969 7 17.1
628ZZ Shield 8 24 8 3.969 7 18.5
628-2RS Rubber seal 8 24 8 3.969 7 18.5
638 open 8 28 9 4.762 7 28.1
638ZZ Shield 8 28 9 4.762 7 30.3
638-2RS Rubber seal 8 28 9 4.762 7 30.3
679 open 9 14 3 1.588 12 1.35
679ZZ Shield 9 14 4.5 1.588 12 1.98
679-2RS Rubber seal 9 14 4.5 1.588 12 1.98
689 open 9 17 4 2 11 3.41
689ZZ Shield 9 17 5 2 11 4.38
689-2RS Rubber seal 9 17 5 2 11 4.38
699 open 9 20 6 3.175 8 8.38
699ZZ Shield 9 20 7 3.175 8 8.54
699-2RS Rubber seal 9 20 7 3.175 8 8.54
609 open 9 24 7 3.175 8 14.7
609ZZ Shield 9 24 7 3.175 8 16
609-2RS Rubber seal 9 24 7 3.175 8 16
629 open 9 26 8 4.762 7 19
629ZZ Shield 9 26 8 4.762 7 21.8
629-2RS Rubber seal 9 26 8 4.762 7 21.8
639 open 9 30 10 4.762 7 36.2
639ZZ Shield 9 30 10 4.762 7 37.1
639-2RS Rubber seal 9 30 10 4.762 7 37.1

 

 

 

 

     

 

 

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/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Precision Rating: ABEC-1,ABEC-3,ABEC-5
Cage: Steel Cage
Application: Home Appliance,Instrument,Food Machinery
Samples:
US$ 2/Set
1 Set(Min.Order)

|

Order Sample

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

What are the Challenges Associated with Noise Reduction in Ball Bearings?

Noise reduction in ball bearings is a crucial consideration, especially in applications where noise levels must be minimized for operational efficiency and user comfort. While ball bearings are designed to operate smoothly, there are several challenges associated with reducing noise in their operation:

  • Vibration:

Vibration generated by the movement of rolling elements and raceways can lead to noise. Even minor irregularities in bearing components or the mounting system can cause vibration that translates into audible noise.

  • Bearing Type and Design:

The type and design of the ball bearing can impact noise generation. For example, deep groove ball bearings are known for their quiet operation, while angular contact bearings can generate more noise due to their higher contact angles.

  • Lubrication:

Improper or inadequate lubrication can result in increased friction and wear, leading to noise. Choosing the right lubricant and maintaining proper lubrication levels are essential for reducing noise in ball bearings.

  • Bearing Clearance and Preload:

Incorrect clearance or preload settings can lead to noise issues. Excessive clearance or inadequate preload can cause the rolling elements to impact the raceways, resulting in noise during rotation.

  • Material and Manufacturing Quality:

The quality of materials and manufacturing processes can affect noise levels. Inconsistent or low-quality materials, improper heat treatment, or manufacturing defects can lead to noise generation during operation.

  • Surface Finish:

The surface finish of the rolling elements and raceways can impact noise. Rough surfaces can generate more noise due to increased friction and potential irregularities.

  • Sealing and Shielding:

Seals and shields that protect bearings can influence noise levels. While they are necessary for contamination prevention, they can also cause additional friction and generate noise.

  • Operating Conditions:

External factors such as temperature, speed, and load can influence noise levels. High speeds or heavy loads can amplify noise due to increased stress on the bearing components.

  • Wear and Deterioration:

As ball bearings wear over time, noise levels can increase. Worn components or inadequate lubrication can lead to more significant noise issues as the bearing operates.

To address these challenges and reduce noise in ball bearings, manufacturers and engineers employ various techniques, such as optimizing design, selecting suitable bearing types, using proper lubrication, maintaining accurate preload settings, and ensuring high-quality materials and manufacturing processes. Noise reduction efforts are essential to improve overall product quality, meet noise regulations, and enhance user experience in various applications.

ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

ball bearing

What Factors should be Considered when Selecting a Ball Bearing for a Particular Application?

Selecting the right ball bearing for a specific application involves careful consideration of various factors to ensure optimal performance, longevity, and reliability. Here are the key factors that should be taken into account:

  • Load Type and Magnitude:

Determine the type of load (radial, axial, or combined) and the magnitude of the load that the bearing will need to support. Choose a bearing with the appropriate load-carrying capacity to ensure reliable operation.

  • Speed and Operating Conditions:

Consider the rotational speed of the application and the operating conditions, such as temperature, humidity, and exposure to contaminants. Different bearing types and materials are suited for varying speeds and environments.

  • Accuracy and Precision:

For applications requiring high accuracy and precision, such as machine tool spindles or optical instruments, choose high-precision bearings that can maintain tight tolerances and minimize runout.

  • Space Limitations:

If the application has limited space, choose miniature or compact ball bearings that can fit within the available dimensions without compromising performance.

  • Thrust and Radial Loads:

Determine whether the application requires predominantly thrust or radial load support. Choose the appropriate type of ball bearing (thrust, radial, or angular contact) based on the primary load direction.

  • Alignment and Misalignment:

If the application experiences misalignment between the shaft and housing, consider self-aligning ball bearings that can accommodate angular misalignment.

  • Mounting and Installation:

Consider the ease of mounting and dismounting the bearing. Some applications may benefit from features like flanges or snap rings for secure installation.

  • Lubrication and Maintenance:

Choose a bearing with appropriate lubrication options based on the application’s speed and temperature range. Consider whether seals or shields are necessary to protect the bearing from contaminants.

  • Environmental Conditions:

Factor in the operating environment, including exposure to corrosive substances, chemicals, water, or dust. Choose materials and coatings that can withstand the specific environmental challenges.

  • Bearing Material:

Select a bearing material that suits the application’s requirements. Common materials include stainless steel for corrosion resistance and high-carbon chrome steel for general applications.

  • Bearing Arrangement:

Consider whether a single-row, double-row, or multiple bearings in a specific arrangement are needed to accommodate the loads and moments present in the application.

By carefully evaluating these factors, engineers and designers can choose the most suitable ball bearing that aligns with the specific demands of the application, ensuring optimal performance, durability, and overall operational efficiency.

China high quality Stainless Steel Ball Bearing S608 RS 8*22*7mm S608-2RS Miniature Ball Bearing for Merry Go Round   bearing airChina high quality Stainless Steel Ball Bearing S608 RS 8*22*7mm S608-2RS Miniature Ball Bearing for Merry Go Round   bearing air
editor by CX 2024-04-04

China high quality Steel Stainless CZPT Bearings CZPT Pillow Block Ball CZPT Bearing Housing OEM double row ball bearing

Product Description

Our Bearing Manufacturer Advantage:

1. Free Sample bearing;
2.ISO Standard;
3. Bearing Small order accepted;
4. In Stock bearing;
5. OEM/ODM bearing service;
6. Professional: more than 20 years of manufacture bearing;
7. Customized bearing, Customer’s bearing drawing, or samples accepted;
8. Competitive price bearing: factory outlet.

OEM All Brand Bearing
1. deep groove ball bearing 6000,6200,6300,6400,61800,61900,Z,RS,ZZ,2RS
2. spherical roller bearing 22200,22300,23000,24000,23100,24100,CA,CC,E,MB, MA ,W33
3. cylindrical roller bearing N,NU,NJ,NN,NUP,E,ECP,ECM,ECJ
4. taper roller bearing 35710,30300,32200,32300,31300,32000
5. Aligning ball bearing 1200,1300,2200,2300,
6. needle roller bearing NA,NAV,NK,NKI,RNA,NK,RNAV,ZKLF,ZKLN,ZARF,ZARN
7. thrust ball bearing 51100,51200,51300,51400,E,M
8. angular contact ball bearing7000,7100,7200,7300,AC,BECBM,C 
9. spherical plain bearing GE, GEG,GEEW, U,UC, UG,GX,GAC,SA,SABP
10.Wheel hub bearing /ceramic bearing/plastic bearing/lazy susan bearing

Our packing:
* Industrial pakage+outer carton+pallets
* single box+outer carton+pallets
* Tube package+middle box+outer carton+pallets
* According to your requirements

Product Description

KOYO CZPT CZPT UC Series Insert Roller Ball Bearings for Spare Parts
 

Good quality ball bearings UC insert bearing

Product Name Pillow block ball bearing
Precision Rating P6, P0, P5, P4, P2
Material Plastic / Bearing Steel (GCr15) /Ceramics /Carbon steel/Stainless steel
Clearance C0 C1 C2 C3 C4 C5
Insert bearing type UC / UEL/ UK / SB/ UE / UD
Seal with seals
Housing type P / F / FL / T / PH/ PA/ FU / FS/ FA/ PF
Features High Precision, High Speed, Long Life, High Reliability, Low Noise, Reduce Friction
Certification ISO 9001: 2008
Packing 1. Neutral Packing Bearing 2. Industrial Packing 3. Commercial Packing Bearing 4. Customize
Delivery Time 15-20 Days After The Order is Confirmed
Shipment 1. By Sea 2. By Air 3. By Express

Parameters of Bearing

More details of UC211-34 UC, UG, UCP, UCFL, UCF, SA, SB, SN, UT Pillow Block Bearing/Insert Bearing

BearingUint No. Shaft Dia d Dimensinons(mm) Bolt Used Bearing No. Housing No. Housing 
Wt (kg)
h a e b S2 S1 g w t Z Bi n (mm) (in)
(in) (mm)
UCP201-8 1/2   30.2 127 95 38 19 13 14 62 2 51 31 12.7 M10 3/8 UC201-8 P203 0.33
UCP202-9 9/16   UC202-9
UCP202-10 5/8   UC202-10
UCP203-11 11/16   UC203-11
UCP201   12 UC201
UCP202   15 UC202
UCP203   17 UC203
UCP204-12 3/4   33.3 127 95 38 19 13 14 65 2 51 31 12.7 M10 3/8 UC204-12 P204 0.46
UCP204   20 UC204
UCP205-13 13/16 25 36.5 140 105 38 19 13 15 71 2 57 34.1 14.3 M10 3/8 UC205-13 P205 0.60
UCP205-14 7/8 UC205-14
UCP205-15 15/16 UC205-15
UCP205-16 1 UC205-16
UCP205   UC205
UCP206-17 1-1/16 30 42.9 165 121 48 21 17 17 83 2 62 38.1 15.9 M14 1/2 UC206-17 P206 0.97
UCP206-18 1-1/8 UC206-18
UCP206-19 1-3/16 UC206-19
UCP206-20 1-1/4 UC206-20
UCP206   UC206
UCP207-20 1-1/4 35 47.6 167 127 48 21 17 18 93 3 72 42.9 17.5 M14 1/2 UC207-20 P207 1.00
UCP207-21 1-5/16 UC207-21
UCP207-22 1-3/8 UC207-22
UCP207-23 1-7/16 UC207-23
UCP207   UC207
UCP208-24 1-1/2 40 49.2 184 137 54 21 17 18 98 3 82 49.2 19.0 M14 1/2 UC208-24 P208 1.30
UCP208-25 1-9/16 UC208-25
UCP208   UC208
UCP209-26 1-5/8 45 54 190 146 54 21 17 20 106 3 82 49.2 19.0 M14 1/2 UC209-26 P209 1.40
UCP209-27 1-11/16 UC209-27
UCP209-28 1-3/4 UC209-28
UCP209   UC209
UCP210-29 1-13/16 50 57.2 206 159 60 25 20 21 114 3 87 51.6 19.0 M16 5/8 UC210-29 P210 1.83
UCP210-30 1-7/8 UC210-30
UCP210-31 1-15/16 UC210-31
UCP210-32 2 UC210-32
UCP210   UC210
UCP211-32 2 55 63.5 219 171 60 25 20 23 126 4 92 55.6 22.2 M16 5/8 UC211-32 P211 2.4
UCP211-33 2-1/16 UC211-33
UCP211-34 2-1/8 UC211-34
UCP211-35 2-3/16 UC211-35
UCP211   UC211
UCP212-36 2-1/4 60 69.8 241 184 70 25 20 25 138 4 102 65.1 25.4 M16 5/8 UC212-36 P212 2.8
UCP212-37 2-5/16 UC212-37
UCP212-38 2-3/8 UC212-38
UCP212-39 2-7/16 UC212-39
UCP212   UC212
UCP213-40 2-1/2 65 76.2 265 203 70 29 25 27 151 4 107 65.1 25.4 M20 3/4 UC213-40 P213 3.5
UCP213-41 2-9/16 UC213-41
UCP213   UC213
UCP214-42 2-5/8 70 79.4 266 210 72 31 25 27 157     74.6 30.2 M20 3/4 UC214-42 P214 4.45
UCP214-43 2-11/16 UC214-43
UCP214-44 2-3/4 UC214-44
UCP214   UC214
UCP215-45 2-13/16 75 82.6 275 217 74 31 25 28 163     77.8 33.3 M20 3/4 UC215-45 P215 4.9
UCP215-46 2-7/8 UC215-46
UCP215-47 2-15/16 UC215-47
UCP215-48 3 UC215-48
UCP215   UC215
UCP216-50 3-1/8 80 88.9 292 232 78 31 25 30 175     82.6 33.3 M20 3/4 UC216-50 P216 5.8
UCP216   UC216
UCP217-52 3-1/4 85 95.2 310 247 83 31 25 32 187     85.7 34.1 M20 3/4 UC217-52 P217 6.9
UCP217   UC217
UCP218-56 3-1/2 90 101.6 327 262 88 33 27 33 200     96.0 39.7 M22 7/8 UC218-56 P218 8.10

Bearing
Unit NO.
Shaft Dia d Dimensions(mm) Bolt Used Bearing No. Housing No. Housing 
Wt (kg)
(in) (mm) h a e b s2 s1 g w Bi n (in) (mm)
UCP305-14
UCP305-15
UCP305-16
UCP305
7/8
15/16
1
25 45 175 132 45 20 17 15 85 38 15 1/2 M14 UC305-14
UC305-15
UC305-16
UC305
P305 0.90
UCP306-18
UCP306-19
UCP306
1-1/8
1-3/16
30 50 180 140 50 20 17 18 95 43 17 1/2 M14 UC306-18
UC306-19
UC306
P306 1.10
UCP307-20
UCP307-21
UCP307-22
UCP307-23
UCP307
1-1/4
1-5/16
1-3/8
1-7/16
35 56 210 160 56 25 17 20 106 48 19 1/2 M14 UC307-20
UC307-21
UC307-22
UC307-23
UC307
P307 1.95
UCP308-24
UCP308-25
UCP308
1-1/2
1-9/16
40 60 220 170 60 27 17 22 116 52 19 1/2 M14 UC308-24
UC308-25
UC308
P308 2.20
UCP309-26
UCP309-27
UCP309-28
UCP309
1-5/8
1-11/16
1-3/4
45 67 245 190 67 30 20 24 129 57 22 5/8 M16 UC309-26
UC309-27
UC309-28
UC309
P309 3.30
UCP310-30
UCP310-31
UCP310
1-7/8
1-15/16
50 75 275 212 75 35 20 27 143 61 22 5/8 M16 UC310-30
UC310-31
UC310
P310 4.80
UCP311-32
UCP311-34
UCP311-35
UCP311
2
2-3/8
2-3/16
55 80 310 236 80 38 20 30 154 66 25 5/8 M16 UC311-32
UC311-34
UC311-35
UC311
P311 5.30
UCP312-36
UCP312-38
UCP312-39
UCP312
2-1/4
2-3/8
2-7/16
60 85 330 250 85 38 25 32 165 71 26 3/4 M20 UC312-36
UC312-38
UC312-39
UC312
P312 6.30
UCP313-40
UCP313
2-1/2 65 90 340 260 90 38 25 33 176 75 30 3/4 M20 UC313-40
UC313
P313 8.00
UCP314-44
UCP314
2-3/4 70 95 360 280 90 40 27 35 187 78 33 7/8 M22 UC314-44
UC314
P314 8.30
UCP315-48
UCP315
3 75 100 380 290 100 40 27 35 198 82 32 7/8 M22 UC315-48
UC315
P315 9.50
UCP316-50
UCP316
3-1/8 80 106 400 300 110 40 27 40 210 86 34 7/8 M22 UC316-50
UC315
P316 12.50
UCP317-52
UCP317
3-1/4 85 112 420 320 110 45 33 40 220 96 40 1 M27 UC317-52
UC317
P317 14.50
UCP318-56
UCP318
3-1/2 90 118 430 330 110 45 33 45 235 96 40 1 M27 UC318-56
UC318
P318 20.40
UCP319-60
UCP319
3-3/4 95 125 470 360 120 50 36 45 250 103 41 1-1/8 M30 UC319-60
UC319
P319 22.30
UCP320-64
UCP320
4 100 140 490 380 120 50 36 50 275 108 42 1-1/8 M30 UC320-64
UC320
P320 25.00
UCP321   105 140 490 380 120 50 36 50 280 112 44 1-1/8 M30 UC321 P321 24.00
UCP322   110 150 520 400 140 55 40 55 300 117 46   M33 UC322 P322 27.50
UCP324   120 160 570 450 140 55 40 65 320 126 51   M33 UC324 P324 32.30
UCP326   130 180 600 480 140 55 40 75 355 135 54   M33 UC326 P326 41.00
UCP328   140 200 620 500 140 55 40 75 390 145 59   M33 UC328 P328 50.00

BearingUint No. Shaft Dia d Dimensinons(mm) Bolt Used Bearing No. Housing No. Housing
Wt (kg)
h a e b S2 S1 g w Bi n (mm) (in)
(in) (mm)
UCPE201-8      1/2   30.2 124 95 31 15 11 14 57.1 26 10 M8 5/16 UCW201-8 PE203 0.45
UCPE202-9 9/16   UCW202-9
UCPE202-10 5/8   UCW202-10
UCPE203-11 11/16   UCW203-11
UCPE201   12 UCW201
UCPE202   15 UCW202
UCPE203   17 UCW203
UCPE204-12 3/4   33.3 127 95 38 16 13 15 65 31 12.7 M10 3/8 UC204-12 PE204 0.65
UCPE204   20 UC204
UCPE205-13 13/16 25 36.6 140 105 38 16 13 16 70 34 14.3 M10 3/8 UC205-13 PE205 0.75
UCPE205-14 7/8 UC205-14
UCPE205-15 15/16 UC205-15
UCPE205-16 1 UC205-16
UCPE205   UC205
UCPE206-17 1-1/16 30 42.9 165 121 48 21 17 18 83 38.1 15.9 M14 1/2 UC206-17 PE206 1.15
UCPE206-18 1-1/8 UC206-18
UCPE206-19 1-3/16 UC206-19
UCPE206-20 1-1/4 UC206-20
UCPE206   UC206
UCPE207-20 1-1/4 35 47.6 167 127 48 21 17 19 94 42.9 17.5 M14 1/2 UC207-20 PE207 1.30
UCPE207-21 1-5/16 UC207-21
UCPE207-22 1-3/8 UC207-22
UCPE207-23 1-7/16 UC207-23
UCPE207   UC207
UCPE208-24 1-1/2 40 49.2   137 54 25 17 19 100 49.2 19.0 M14 1/2 UC208-24 PE208 1.50
UCPE208-25 1-9/16 UC208-25
UCPE208   UC208
UCPE209-26 1-5/8 45 54 190 146 54 25 17 20 108 49.2 19.0 M14 1/2 UC209-26   1.75
UCPE209-27 1-11/16 UC209-27
UCPE209-28 1-3/4 UC209-28
UCPE209   UC209
UCPE210-29 1-13/16 50 57.2 206 159 60 25 20 22 114 51.6 19.0 M16 5/8 UC210-29 PE210 2.35
UCPE210-30 1-7/8 UC210-30
UCPE210-31 1-15/16 UC210-31
UCPE210-32 2 UC210-32
UCPE210   UC210
UCPE211-32 2 55 63.5 219 171 60 25 20 22 126 55.6 22.2 M16 5/8 UC211-32 PE211 2.60
UCPE211-33 2-1/16 UC211-33
UCPE211-34 2-1/8 UC211-34
UCPE211-35 2-3/16 UC211-35
UCPE211   UC211
UCPE212-36 2-1/4 60 69.8 241 184 70 25 20 25 138 65.1 25.4 M16 5/8 UC212-36 PE212 4.00
UCPE212-37 2-5/16 UC212-37
UCPE212-38 2-3/8 UC212-38
UCPE212-39 2-7/16 UC212-39
UCPE212   UC212
UCPE213-40 2-1/2 65 76.2 265 203 70 29 25 27   65.1 25.4 M20 3/4 UC213-40 PE213 4.77
UCPE213-41 2-9/16 UC213-41
UCPE213   UC213
UCPE214-42 2-5/8 70 79.4 266 210 72 31 25 27 156 74.6 30.2 M20 3/4 UC214-42 PE214 5.30
UCPE214-43 2-11/16 UC214-43
UCPE214-44 2-3/4 UC214-44
UCPE214   UC214
UCPE215-45 2-13/16 75 82.6 275 217 74 31 25 28 163 77.8 33.3 M20 3/4 UC215-45 PE215 6.00
UCPE215-46 2-7/8 UC215-46
UCPE215-47 2-15/16 UC215-47
UCPE215-48 3 UC215-48
UCPE215   UC215

 

Company Profile

ABOUT US

BEARING MANUFACTURE

1. 20+ yearsof experience in manufacturing bearing;
2.Annual output value of more than 40 million yuan;
3.Passed the ISO9001 international quality certification system;
4.160 sets imported production equipments;
5.Professional sales team.

 We have been engaged in foreign trade for more than 6 years and are well-known enterprises in ZheJiang Province. The fixed assets of the machine are more than 2 million US dollars and the annual foreign trade sales volume exceeds 2 million US dollars.
     We have extensive cooperation with countries in Asia, Europe, and the Americas. Including Russia, Ukraine, Belarus, Kazakhstan, Uzbekistan, Tajikistan, Spain, Mexico, India, Pakistan, Turkey, Vietnam, and other industrial areas. 
Honor and Certification
Rated as an excellent company in the local area, and both quality and management systems have been recognized.

FAQ

SAMPLES

1. Samples quantity: 1-10 pcs are available.
2. Free samples: It depends on the model NO., material, and quantity. Some of the bearings samples require the client to pay
sample charges and shipping costs.
3. It’s better to start your order with Trade Assurance to get full protection for your sample order.

CUSTOMIZED
The customized LOGO or drawing is acceptable for us.

MOQ
1.MOQ: 10 pcs mix different standard bearings.
2.MOQ:  3000 pcs customized your brand bearings.

OEM POLICY
1.We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.
2.We can custom your packaging according to your design
3.All copyright own by clients and we promised don’t disclose any info.

SUPORT
Please visit our bearings website, we strongly encourge that you can communicate with us through email,thanks!

We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon
The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requirement.

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Contact Angle: Small and Medium-Sized (60-115mm)
Aligning: Non-Aligning Bearing
Separated: Separated
Samples:
US$ 10/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

ball bearing

Can you Provide Examples of Industries where Ball Bearings are Crucial Components?

Ball bearings are essential components in a wide range of industries where smooth motion, load support, and precision are vital. Here are some examples of industries where ball bearings play a crucial role:

  • Automotive Industry:

Ball bearings are used in various automotive applications, including wheel hubs, transmissions, engines, steering systems, and suspension components. They provide reliable rotation and support in both passenger vehicles and commercial vehicles.

  • Aerospace Industry:

In the aerospace sector, ball bearings are found in aircraft engines, landing gear systems, control surfaces, and avionics equipment. Their ability to handle high speeds and precision is vital for aviation safety.

  • Industrial Machinery:

Ball bearings are integral to a wide range of industrial machinery, including pumps, compressors, conveyors, machine tools, printing presses, and textile machinery. They facilitate smooth operation and load distribution in these diverse applications.

  • Medical Equipment:

In medical devices and equipment, ball bearings are used in surgical instruments, imaging equipment, dental tools, and laboratory machinery. Their precision and smooth movement are crucial for accurate diagnostics and treatments.

  • Robotics and Automation:

Ball bearings are key components in robotic arms, automation systems, and manufacturing machinery. They enable precise movement, high-speed operation, and reliable performance in automated processes.

  • Renewable Energy:

Wind turbines and solar tracking systems utilize ball bearings to enable efficient rotation and tracking of the wind blades and solar panels. Ball bearings withstand the dynamic loads and environmental conditions in renewable energy applications.

  • Marine and Shipbuilding:

Ball bearings are used in marine applications such as ship propulsion systems, steering mechanisms, and marine pumps. They withstand the corrosive environment and provide reliable performance in maritime operations.

  • Heavy Equipment and Construction:

In construction machinery like excavators, bulldozers, and cranes, ball bearings support the movement of heavy loads and enable efficient operation in demanding environments.

  • Electronics and Consumer Appliances:

Consumer electronics like electric motors, computer hard drives, and household appliances rely on ball bearings for smooth motion and reliable operation.

  • Oil and Gas Industry:

In oil and gas exploration and extraction equipment, ball bearings are used in drilling rigs, pumps, and processing machinery. They handle the high loads and harsh conditions of this industry.

These examples demonstrate how ball bearings are indispensable components in various industries, contributing to the efficiency, reliability, and functionality of diverse mechanical systems and equipment.

ball bearing

How do Miniature Ball Bearings Differ from Standard-sized Ones, and Where are They Commonly Used?

Miniature ball bearings, as the name suggests, are smaller in size compared to standard-sized ball bearings. They have distinct characteristics and are designed to meet the unique requirements of applications that demand compactness, precision, and efficient rotation in confined spaces. Here’s how miniature ball bearings differ from standard-sized ones and where they are commonly used:

  • Size:

The most noticeable difference is their size. Miniature ball bearings typically have outer diameters ranging from a few millimeters to around 30 millimeters, while standard-sized ball bearings have larger dimensions suitable for heavier loads and higher speeds.

  • Load Capacity:

Due to their smaller size, miniature ball bearings have lower load-carrying capacities compared to standard-sized bearings. They are designed for light to moderate loads and are often used in applications where precision and compactness are prioritized over heavy load support.

  • Precision:

Miniature ball bearings are known for their high precision and accuracy. They are manufactured to tighter tolerances, making them suitable for applications requiring precise motion control and low levels of vibration.

  • Speed:

Miniature ball bearings can achieve higher speeds than standard-sized bearings due to their smaller size and lower mass. This makes them ideal for applications involving high-speed rotation.

  • Friction and Efficiency:

Miniature ball bearings generally have lower friction due to their smaller contact area. This contributes to higher efficiency and reduced heat generation in applications that require smooth and efficient motion.

  • Applications:

Miniature ball bearings find applications in various industries and sectors:

  • Electronics and Consumer Devices:

They are used in small motors, computer disk drives, printers, and miniature fans, where space is limited but precise motion is essential.

  • Medical and Dental Equipment:

Miniature bearings are used in medical devices such as surgical instruments, dental handpieces, and diagnostic equipment due to their precision and compactness.

  • Robotics and Automation:

Miniature ball bearings are integral to robotic arms, miniature conveyors, and automation systems, enabling precise movement in confined spaces.

  • Aerospace and Defense:

They are used in applications like UAVs (drones), aerospace actuators, and satellite components where size and weight constraints are critical.

  • Optics and Instrumentation:

Miniature bearings play a role in optical instruments, cameras, and measuring devices, providing smooth rotation and accurate positioning.

Overall, miniature ball bearings are specialized components designed for applications where space, precision, and efficient rotation are paramount. Their compactness and high precision make them crucial in various industries requiring reliable motion control in limited spaces.

ball bearing

How does Lubrication Impact the Performance and Lifespan of Ball Bearings?

Lubrication plays a critical role in the performance and lifespan of ball bearings. Proper lubrication ensures smooth operation, reduces friction, minimizes wear, and prevents premature failure. Here’s how lubrication impacts ball bearings:

  • Friction Reduction:

Lubrication creates a thin film between the rolling elements (balls) and the raceways of the bearing. This film reduces friction by separating the surfaces and preventing direct metal-to-metal contact. Reduced friction results in lower energy consumption, heat generation, and wear.

  • Wear Prevention:

Lubricants create a protective barrier that prevents wear and damage to the bearing’s components. Without proper lubrication, the repeated rolling and sliding of the balls against the raceways would lead to accelerated wear, surface pitting, and eventual failure.

  • Heat Dissipation:

Lubricants help dissipate heat generated during operation. The rolling elements and raceways can generate heat due to friction. Adequate lubrication carries away this heat, preventing overheating and maintaining stable operating temperatures.

  • Corrosion Resistance:

Lubrication prevents moisture and contaminants from coming into direct contact with the bearing’s surfaces. This helps protect the bearing against corrosion, rust, and the formation of debris that can compromise its performance and longevity.

  • Noise Reduction:

Lubricated ball bearings operate quietly because the lubricant cushions and dampens vibrations caused by the rolling motion. This noise reduction is crucial in applications where noise levels need to be minimized.

  • Seal Protection:

Lubricants help maintain the effectiveness of seals or shields that protect the bearing from contaminants. They create a barrier that prevents particles from entering the bearing and causing damage.

  • Improved Efficiency:

Properly lubricated ball bearings operate with reduced friction, leading to improved overall efficiency. This is especially important in applications where energy efficiency is a priority.

  • Lifespan Extension:

Effective lubrication significantly extends the lifespan of ball bearings. Bearings that are properly lubricated experience less wear, reduced fatigue, and a lower likelihood of premature failure.

  • Selection of Lubricant:

Choosing the right lubricant is essential. Factors such as speed, temperature, load, and environmental conditions influence the choice of lubricant type and viscosity. Some common lubricant options include grease and oil-based lubricants.

  • Regular Maintenance:

Regular lubrication maintenance is crucial to ensure optimal bearing performance. Bearings should be inspected and relubricated according to manufacturer recommendations and based on the application’s operating conditions.

In summary, proper lubrication is essential for the optimal performance, longevity, and reliability of ball bearings. It reduces friction, prevents wear, dissipates heat, protects against corrosion, and contributes to smooth and efficient operation in various industrial and mechanical applications.

China high quality Steel Stainless CZPT Bearings CZPT Pillow Block Ball CZPT Bearing Housing OEM   double row ball bearingChina high quality Steel Stainless CZPT Bearings CZPT Pillow Block Ball CZPT Bearing Housing OEM   double row ball bearing
editor by CX 2024-04-03