China factory 6309/6310 Stainless Steel Deep Groove Ball Bearing for Medical Equipment/Household Appliances/Fishing Wheels/Railway Vehicle/Threshing Machine/Bulldozer/Gearbox with Best Sales

Product Description

Product Description

Deep Groove Ball Bearing is the most widely used rolling bearing. Its characteristics are low frictional resistance, high rotational speed, and can be used for bearing radial loads or combined radial and axial loads, as well as for bearing axial loads, such as low-power electric motors, car and tractor gearboxes, machine tool gearboxes, general machines, tools, etc.

Product Description
1.The bearing steel material has good processing performance, is not easy to rust, and has a long service life.
2. High speed, low friction coefficient, high limit speed
3. Excellent process with high load capacity, strong load capacity.
4. All models available, with multiple specifications and models available for selection.
5. Strictly prevent foreign objects from invading.
6. Stable performance.
7. The surface gap is rigorous, flat, and has high rotational speed and is not easy to burn.
8. High cost-effectiveness. For equipment with high requirements and difficulty in disassembly and assembly, it can save costs and have high cost-effectiveness.

Precautions for installation of deep groove ball bearing

1.Avoid strong impact since the contact surface between the bearing raceway surface and the rolling element is close to point contact. Excessive impact force will cause indentation on the contact surface,so knock or drop impact must be avoided.

2.Avoid dust entering the bearing.If dust enters the bearing during use the raceway surface and rolling element surface will be damaged, resulting in abnormal noise or poor rotation of the bearing.

Product parameters

Deep Groove Ball Bearing 6000 Series
Bearing No. Shape Dimensions (mm) Basic Load Rating (KN) Max Speed (RPM) Weight(kg)
Bore Outer Width Dynamic Cr Static Cor Grease  lubricant Oil lubricant
d D B
6000 Series
606 6 17 6 1.95 0.72 30000 38000 0.0057
607 7 19 6 2.88 10.80 28000 36000 0.0071
608 8 22 7 3.32 1.38 26000 34000 0.011
609 9 24 7 3.35 1.40 22000 30000 0.014
6000 10 26 8 4.58 1.98 20000 28000 0.018
6001 12 28 8 5.10 2.38 19000 26000 0.02
6002 15 32 9 5.58 2.85 18000 24000 0.026
6003 17 35 10 6.00 3.25 17000 22000 0.036
6004 20 42 12 9.38 5.02 15000 19000 0.069
6005 25 47 12 10.10 5.85 13000 17000 0.075
6006 30 55 13 10.18 6.91 10000 14000 0.116
6007 35 62 14 12.47 8.66 9000 12000 0.155
6008 40 68 15 13.10 9.45 8500 11000 0.185
6009 45 75 16 16.22 11.96 8000 10000 0.231
6571 50 80 16 16.94 12.95 7000 9000 0.250
6011 55 90 18 23.28 17.86 7000 8500 0.362
6012 60 95 18 24.35 19.35 6300 7500 0.385
6013 65 100 18 24.66 19.74 6000 7000 0.410
6014 70 110 20 29.68 24.20 5600 6700 0.575
6015 75 115 20 30.91 26.06 5300 6300 0.603
6016 80 125 22 36.57 31.36 5000 6000 0.921
6017 85 130 22 39.04 33.75 5000 6000 0.848
6018 90 140 24 44.63 39.16 4800 5600 1.103
6019 95 145 24 44.45 39.16 4500 5300 1.156
6571 100 150 24 49.58 44.08 4300 5300 1.174
6571 105 160 26 55.32 49.77 4000 4800 1.520
6571 110 170 28 62.99 57.39 3800 4500 1.891

Deep Groove Ball Bearing 6200 Series
Bearing No. Shape Dimensions (mm) Basic Load Rating (KN) Max Speed (RPM) Weight(kg)
Bore Outer Width Dynamic Cr Static Cor Grease  lubricant Oil lubricant
d D B
6200 Series
623 3 10 4 0.5 0.2156 38000 48000 0.0015
624 4 13 5 1.15 0.40 36000 45000 0.0032
625 5 16 5 1.88 0.68 32000 40000 0.0048
626 6 19 6 2.8 1.05 28000 36000 0.0075
627 7 22 7 3.28 1.35 26000 34000 0.012
628 8 24 8 3.35 1.40 24000 32000 0.017
629 9 26 8 4.45 1.95 22000 30000 0.019
6200 10 30 9 5.1 2.38 19000 26000 0.571
6201 12 32 10 6.82 3.05 18000 24000 0.034
6202 15 35 11 7.65 3.72 17000 22000 0.043
6203 17 40 12 9.58 4.47 16000 20000 0.062
6204 20 47 14 9.88 6.20 14000 18000 0.102
6205 25 52 15 10.78 6.98 12000 16000 0.120
6206 30 62 16 14.97 10.04 9500 13000 0.190
6207 35 72 17 19.75 13.67 8500 11000 0.270
6208 40 80 18 22.71 15.94 8000 10000 0.370
6209 45 85 19 24.36 17.71 7000 9000 0.380
6210 50 90 20 26.98 19.84 6700 8500 0.450
6211 55 100 21 33.37 25.11 6000 7500 0.603
6212 60 110 22 36.74 27.97 5600 7000 0.789
6213 65 120 23 44.01 34.18 5000 6300 0.990
6214 70 125 24 46.79 37.59 4800 6000 1.084
6215 75 130 25 50.85 41.26 4800 5600 1.171
6216 80 140 26 55.04 45.09 4500 5300 1.448
6217 85 150 28 64.01 53.28 4300 5000 1.803
6218 90 160 30 73.83 60.76 4000 4800 2.172
6219 95 170 32 84.83 70.85 3800 4500 2.620
6220 100 180 34 93.95 79.35 3600 4300 3.189
6221 105 190 36 102.30 89.59 3400 4000 3.782
6222 110 200 38 110.82 100.43 3200 3800 4.421

Advantages
1. GUARANTEED QUALITY
Materials with good quality are selected and tested layer by layer.

2. GOOD SERVICE
We have enthusiastic and timely online service and good after-sales service.

3. PROFESSIONAL TEAMS
We have professional teams with technology, research and production.

4. COMPETITIVE PRICE
We provide customers with better products and competitive prices.

Packaging & Shipping

Packaging 1)Original package
2) Single box + outer carton 
3)Tube package + outer carton 
4)Customized according to customer needs
Shipping 1)Ocean shipping
2)Air transport
3)Select according to customer needs
 

Company Profile

ZheJiang Dente International Trade Co., Ltd. is a comprehensive enterprise with self operated import and export rights and production bases. The company is located in HangZhou, the “Kite Capital of the World”, and its production base is located in HangZhou, the largest bearing wholesale base in China.
The company’s leading products include Deep Groove Ball Bearing, tapered roller bearings, external spherical bearings, self-aligning ball bearings, self-aligning roller bearings, cylindrical roller bearings, thrust ball bearings and automobile non-standard bearings, stainless steel bearings, various needle bearings, inch bearings, non-standard bearings, special bearings and other series of varieties, as well as world famous brand imported bearing products.

With the advantages of reasonable price, excellent quality, and short delivery time, the company’s products have been exported to more than 50 countries and regions in the world, such as Europe, the Americas, Australia, and Africa. In addition to having its own production base, the company also has more than 500 cooperative factories to meet the various needs of different customers.
Our company is famous for its professional service attitude, collective spirit of unity and dedication, and pragmatic and efficient work style in this field. Value determines price. We will provide customers with high-quality products and services with the best quality, and look forward to our CZPT cooperation!

Testing Equipment
Company testing center is equipped with professional testing equipment to enhance the ability of controlling technical indicators. And improving product qualification rate.

DNT Bearing is a comprehensive bearing manufacturing and service provider with world leading bearing manufacturing processes and management technologies in China. We sell a variety of bearing products with international standards and technical levels of low noise, high load, high accuracy, and long service life. We have cooperation with many internationally renowned bearing enterprises, welcome to consult!

 

FAQ

1. What’s the minimum order quantity of your company?
Our minimum order is 1 set.
2. Can you accept OEM and customize it?
Yes, we can customize it for you according to the samples or drawings.
3. Can you provide samples for free?
Yes, we can provide samples free of charge, but we need our customers to bear the freight.
4.Is your company a factory or a trading company?
We are a professional bearing factory.
5.Can you tell me the delivery time of your goods?
7-15 days, mainly depending on the quantity of your order.

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Contact Angle: All Type
Aligning: Non-Aligning Bearing
Separated: Unseparated
Samples:
US$ 2.99/Piece
1 Piece(Min.Order)

|

Order Sample

Chrome Steel
Customization:
Available

|

Customized Request

bearing

How to Replace a Bearing

If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.

Z axis

When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.

Angular contact

Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.

Ball bearings

bearing
Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.

Sliding-contact bearings

bearing
The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.

China factory 6309/6310 Stainless Steel Deep Groove Ball Bearing for Medical Equipment/Household Appliances/Fishing Wheels/Railway Vehicle/Threshing Machine/Bulldozer/Gearbox   with Best SalesChina factory 6309/6310 Stainless Steel Deep Groove Ball Bearing for Medical Equipment/Household Appliances/Fishing Wheels/Railway Vehicle/Threshing Machine/Bulldozer/Gearbox   with Best Sales
editor by CX 2023-04-28