China Koyo Rna 4905 Needle Roller Bearings with Machined Rings Without an Inner Ring drive shaft bearing

Product Description

Welcome to pick KORTON INDUSTRIAL Limited. 

NO 1. our adwantages:

one. 14 years bearing products manufacturing and 4 years exporting experiences.
2. OEM order and non-standard bearing order can be accepted.
3. Our main bearing products include Deep groove ball bearings, tapered roller bearings, cylindrical rollerbearings, spherical ball bearings, spherical roller bearings,  angular contact bearings, needle roller bearings, thrust ball bearings, spherical plain bearings, spherical bearings, automotive bearings pump bearings, and many nonstandard bearings are also in our product range.
4. Sample available
 
NO 2. Description: Needle Bearing
   

1 Drawn Cup Needle Bearing HK, BK
two Needle Bearing with Internal Ring NA, NKI
3 Needle Bearing with out Interior Ring NK, RNA
four Full Enhance Needle Bearing NAV
five Radial Needle Roller and Cage Assemblies K, KK
six Thrust Needle Roller and Cage Assemblies AXK, AS

 
 NO 3. OEM all manufacturer bearing

1. deep groove ball bearing 6000,6200,6300,6400,61800,61900,Z,RS,ZZ,2RS
two. spherical roller bearing 22200,22300,23000,24000,23100,24100,CA,CC,E,W33
3. cylindrical roller bearing N,NU,NJ,NN,NUP,E,ECP,ECM,ECJ
four. taper roller bearing 35710,30300,32200,32300,31300,32000
five. Aligning ball bearing 1200,1300,2200,2300,
six. needle roller bearing NA,NAV,NK,NKI,RNA,NK,RNAV,ZKLF,ZKLN,ZARF,ZARN
seven. thrust ball bearing 51100,51200,51300,51400,E,M
eight. 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
 
 NO 4. Needle Bearing Specification:
 

Seals Sorts Open
Vibration Degree Z1V1,Z2V2,Z3V3
Clearance C2,C0,C3,C4,C5
Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Materral GCr15-China/AISI52100-United states of america/Din100Cr6-Germany
MOQ 1Set at least
Shipping Time five-fifteen times following contract
Payment Terms TT/PAPAL/WESTERN UNION
Deal Tube bundle+outer carton+palletsSingle box+outer carton+pallets
Tube packge+center box+outer carton+palletsAccording to your requirement

 
NO 5. Needle Bearing Models and Size: 
 

Bearing Designation Boundary Proportions Basic Load Rankings Restricting Velocity
HK BK Fw D C Cr Dynamic Cor Static Oil
mm mm mm Nm Nm
HK0306TN BK0306TN three 6.five six 1320 950 60000
HK0408TN BK0408TN 4 eight 8 1540 1070 40000
HK0509 BK0509 5 nine nine 2200 1790 36000
HK0608 six 10 eight 1830 1550 32000
HK0609 BK0609 six ten 9 2650 2400 3000
HK0708 7 11 eight 2800 2150 27000
HK0709 BK0709 7 11 9 2800 2150 27000
HK0808 BK0808 eight 12 eight 2550 2400 21000
HK571 BK571 eight 12 ten 3700 3450 21000
HK08×14×10 8 fourteen ten 3800 3950 25000
HK08×14×12 eight 14 twelve 4100 4320 25000
HK571 BK571 9 13 10 4050 4250 25000
HK571 nine 13 12 5000 6000 25000
HK1571 BK1571 ten 14 ten 3900 4800 19000
HK1012 BK1012 10 14 10 5000 6300 19000
HK1015 ten 14 fifteen 6700 7800 19000
HK10×16×10 ten sixteen 10 6800 8800 18000
HK10×16×12 ten sixteen twelve 6800 8800 18000
HK10×16×15 10 sixteen fifteen 6800 8800 19000
HK1210 BK1210 twelve 16 10 4150 5800 19000
HK1212 BK1212 12 18 12 3800 5100 15000
HK12×17×12 12 17 12 5100 7000 15000
HK12×17×15 twelve 17 fifteen 5100 7000 15000
HK12×17×18 twelve 17 eighteen 5100 7000 15000
HK12×18×12 BK12×18×12 12 eighteen 12 550 6300 17000
HK1312 BK1312 13 19 twelve 6200 7100 17000
HK13.5×20×12 thirteen.five 20 twelve 6250 7590 16000
HK1412 fourteen 20 twelve 6800 7500 14000
HK1416 14 twenty 16 7300 9000 14000
HK15×20×12 fifteen 20 12 5800 6000 14000
HK15×20×16 15 20 sixteen 6000 6200 14000
HK15×20×20 15 20 twenty 6100 6400 14000
HK1512 BK1512 15 21 twelve 7000 8400 14000
HK1514 15 21 fourteen 8500 10400 13000
HK1515 15 21 15 9100 11400 13000
HK1516 BK1516 fifteen 21 16 9800 11400 14000
HK1522 15 21 22 10400 16500 14000
HK15×22×12 15 22 12 14300 18400 13000
HK1612 BK1612 sixteen 22 12 7100 9200 14000
HK1614 sixteen 22 14 8800 9900 12000
HK1616 BK1616 sixteen 22 sixteen 15710 14300 14000
HK1622 16 22 22 11100 17400 14000
HK1712 17 23 12 6900 9300 13000
HK1714 17 23 14 6800 15710 10000
HK1716 17 23 16 8500 12500 ten thousand
HK1718 17 23 eighteen 9500 10600 10000
HK17×25×14 seventeen 25 fourteen 13100 147000 10000
HK17×25×18 seventeen 25 eighteen 9500 10600 11000
HK1812 eighteen 24 12 7100 9900 12000
HK1816 BK1816 eighteen 24 16 10600 15300 12000
HK2571 20 26 ten 5900 7200 ten thousand
HK2014 twenty 26 fourteen 9700 18100 9000
HK2016 BK2016 20 26 16 11700 29100 ten thousand
HK2018 20 26 eighteen 7900 12800 9000
HK2571 twenty 26 twenty 13700 24000 10000
HK2030 twenty 26 thirty 21800 40000 15710
HK20×27×20 twenty 27 20 26300 47800 9900
HK2210 22 28 ten 7200 9500 1571
HK2212 BK2212 22 28 twelve 8100 10400 1571
HK22×29×30 22 29 30 19400 33100 9000
HK2512 BK2512 twenty five 32 12 10000 14200 9000
HK2525 BK2525 25 32 twenty five 22200 36700 9000
HK2816 BK2816 28 35 16 15400 22500 8700
HK2820 BK2820 28 35 twenty 18900 32000 8700
HK3012 BK3012 thirty 37 twelve 15710 16200 8100
HK3571 BK3571 30 37 20 19700 33500 8100
HK3224 32 39 24 25500 5200 7300
HK3516 BK3516 35 forty two 16 15700 27500 7100
HK4012 BK4012 forty 47 twelve 14000 24300 6300
HK4512 BK4512 45 fifty two 12 12900 22500 5800
HK5571 BK5571 fifty fifty eight twenty 28000 60000 5300
HK6012 BK6012 sixty sixty eight 12 12400 29000 4100

 

Shaft Dia Unit No. Dimensions (mm) Basic Load Scores Limiting speed Bodyweight
mm d F D B r min S C KN C0 KN r/min g
10 NA4900 10 fourteen 22 13 .three .five eight.five nine.two 20000 23
twelve NA4901 twelve 16 24 thirteen .three .five 9.4 10.nine 17000 26
fifteen NA4902 fifteen twenty 28 thirteen .three .five ten.6 thirteen.6 14000 34
seventeen NA4903 17 22 thirty 13 .three .5 11 fourteen.6 12000 37
twenty NA4904 twenty twenty five 37 seventeen .three .eight 21 25.five ten thousand 141
22 NA49/22 22 28 39 17 .3 .8 22.eight 29.five 9500 eighty
25 NA4905 25 thirty 42 seventeen .three .8 23.six 31.5 9500 88
28 NA49/28 28 32 forty five seventeen .three .8 24.4 33.five 8500 ninety seven.7
30 NA4906 thirty 35 47 17 .three .8 twenty five 35.five 8000 one zero one
32 NA49/32 32 forty fifty two 20 .six .eight thirty.5 forty seven.5 7000 158
35 NA4907 35 42 fifty five 20 .six .eight 31.five 50 7000 170
forty NA4908 forty 48 62 22 .six one 43 67 6000 230
forty five NA4909 forty five fifty two 68 22 .six 1 forty five seventy three 8500 5500
50 NA4910 fifty 58 72 22 .6 1 47 80 5000 274
fifty five NA4911 fifty five sixty three eighty 25 1 one.5 58 100 4700 393
sixty NA4912 60 sixty eight eighty five 25 1 1.5 sixty 108 4300 426
sixty five NA4913 65 72 90 twenty five one 1.5 sixty one 112 4100 456
70 NA4914 70 eighty one hundred 30 one 1.five eighty four 156 3800 728
75 NA4915 seventy five eighty five 105 thirty one one.five 86 162 3600 775
eighty NA4916 eighty 90 a hundred and ten thirty one one.5 89 174 3400 878
85 NA4917 eighty five a hundred one hundred twenty 35 1.1 1 111 237 2800 1250
90 NA4918 90 a hundred and five a hundred twenty five 35 one.1 1 114 250 3000 1312
95 NA4919 95 one hundred ten a hundred thirty three one.one 1 116 260 2800 1371
100 NA4920 100 115 a hundred and forty forty 1.1 two 128 270 2900 1900
a hundred and ten NA4922 one hundred ten one hundred twenty five one hundred fifty forty one.one 2 132 290 2600 2070
a hundred and twenty NA4924 one hundred twenty one hundred thirty five 165 forty five one.one 2 181 390 2300 2860
130 NA4926 one hundred thirty a hundred and fifty one hundred eighty fifty 1.5 1.five 203 470 2000 3900
one hundred forty NA4928 140 one hundred sixty one hundred ninety 50 1.5 one.5 209 five hundred 1800 4150
 
 

NO. NO. SIZE
WITH Inner WITHOUT Internal mm
d Fw D C r min
NA5902 RNA5902 15 twenty 28 eighteen .three
NA5903 RNA5903 17 22 30 eighteen .3
NA5904 RNA5904 20 twenty five 37 23 .three
NA59/22 RNA59/22 22 28 39 23 .3
NA5905 RNA5905 twenty five 30 forty two 23 .three
NA59/28 RNA59/28 28 32 forty five 23 .3
NA5906 RNA5906 30 35 forty seven 23 .3
NA59/32 RNA59/32 32 forty fifty two 27 .6
NA5907 RNA5907 35 42 fifty five 27 .six
NA5908 RNA5908 40 forty eight 62 30 .6
NA5909 RNA5909 forty five 52 68 30 .6
NA5910 RNA5910 fifty 58 72 thirty .six
NA5911 RNA5911 fifty five sixty three 80 34 1
NA5912 RNA5912 sixty 68 eighty five 34 one
NA5913 RNA5913 sixty five seventy two ninety 34 1
NA5914 RNA5914 70 eighty one hundred forty 1
NA5915 RNA5915 seventy five eighty five 105 forty one
NA5916 RNA5916 80 ninety one hundred ten 40 1
NA5917 RNA5917 eighty five a hundred one hundred twenty forty six 1.1
NA5918 RNA5918 ninety 105 125 forty six one.one
NA5919 RNA5919 95 a hundred and ten one hundred thirty 46 1.one
NA5920 RNA5920 100 115 a hundred and forty 54 1.one
NA5922 RNA5922 a hundred and ten 125 one hundred fifty fifty four 1.one
NA5924 RNA5924 one hundred twenty one hundred thirty five one hundred sixty five 60 1.1
NA5926 RNA5926 one hundred thirty a hundred and fifty 180 67 1.5
NA5928 RNA5928 a hundred and forty one hundred sixty 190 67 1.5

 

      Bearing                     NO. Shaft   Diameter  (mm) Dimension(mm) Mass   Approx  (g)
Existing Code Fw D C
 K3X5X7TN  3  3  5  7  0.3
K3X5X9TN three 3 five nine .four
K3X6X7TN 3 3 6 seven .4
K4X7X7TN four four 7 seven .five
K4X7X10TN four four 7 10 .7
K5X8X8TN 5 5 8 8 .seven
K5X8X10TN five 5 8 10 .9
K6X9X8TN 6 six nine 8 .eight
K6X9X10TN 6 six 9 10 one
K6X10X13TN 6 6 ten 13 one.3
K7X10X8TN 7 seven 10 8 .9
K7X10X10TN seven 7 10 10 one.1
K8X11X8TN 8 eight eleven 8 1.1
K8X11X10TN eight eight eleven 10 1.7
K8X11X13TN eight 8 11 13 1.eight
K8X12X10TN 8 eight 12 10 one.three
K9X12X10TN 9 9 12 ten one.five
K9X12X13TN nine nine twelve 13 one.9
K10X13X10TN ten ten thirteen 10 one.6
K10X13X13TN 10 10 thirteen thirteen two.one
K10X13X16TN ten ten 13 sixteen 2.two
K10X14X10TN 10 ten fourteen 10 two.9
K10X14X13TN ten 10 14 13 four.three
K10X16X12TN ten 10 sixteen 12 three.7
K12X15X9TN 12 twelve fifteen nine two.seven
K12X15X10TN 12 twelve fifteen ten 1.nine
K12X15X13TN twelve 12 fifteen 13 2.four
K12X16X8TN twelve 12 16 8 two.9
K12X16X10TN twelve 12 sixteen 10 3.4
K12X16X13TN twelve 12 sixteen 13 3.eight
K12X17X13TN twelve twelve 17 thirteen 4.four
K12X18X12TN 12 12 18 12 five
K12X15X20TN 12 twelve 15 20 3.eight
K14X17X10 fourteen fourteen 17 ten four
K14X17X17 14 fourteen seventeen 17 6.8
K14X18X10 14 14 18 10 4.8
K14X18X13 14 14 eighteen 13 six.three
K14X18X14 14 14 18 14 six.8
K14X18X15 fourteen fourteen 18 fifteen seven.three
K14X18X17 fourteen 14 eighteen seventeen eight.1
K14X20X12 fourteen fourteen twenty 12 8.six
K15X18X14 15 fifteen 18 14 five.3
K15X18X17 15 15 eighteen 17 six.four
K15X19X10 15 fifteen 19 ten five.one

 

Why Choose Us:
 
We are an industrial and trading organization.We have our possess manufacturer: SFNB .If you fascinated in our item,I can just take you to check out our factory.
Our factory have innovative screening products,before the each product depart the manufacturing facility,we will be screening.We can ship samples to you,you can check the good quality,and if you accept the sample quality,we can guarantee: the stick to-up orders’ quality will be the identical as samples.
About common common type of bearing ,We have rich inventory,not have MOQ,if your want a solution is Non-standard dimensions,need to have customize,we will according the product measurement to determine the MOQ.
Our organization can settle for OEM,you can send sample to me,we can producing products the same as sample.Meanwhile,we also can take some well-identified brand names of OEM,
If the amount of income is less,you can shell out it by Paypal.Of training course you can payment by TT or Western Union etc.

US $2.6
/ Piece
|
10 Pieces

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

Rolling Body: Needle Roller
The Number of Rows: Single
Outer Dimension: Small (28-55mm)

###

Customization:

###

1 Drawn Cup Needle Bearing HK, BK
2 Needle Bearing with Inner Ring NA, NKI
3 Needle Bearing without Inner Ring NK, RNA
4 Full Complement Needle Bearing NAV
5 Radial Needle Roller and Cage Assemblies K, KK
6 Thrust Needle Roller and Cage Assemblies AXK, AS

###

Seals Types OPEN
Vibration Level Z1V1,Z2V2,Z3V3
Clearance C2,C0,C3,C4,C5
Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Materral GCr15-China/AISI52100-USA/Din100Cr6-Germany
MOQ 1Set at least
Delivery Time 5-15 days after contract
Payment Terms TT/PAPAL/WESTERN UNION
Package Tube package+outer carton+pallets;Single box+outer carton+pallets;
Tube packge+middle box+outer carton+pallets;According to your requirement

###

Bearing Designation Boundary Dimensions Basic Load Ratings Limiting Speed
HK BK Fw D C Cr Dynamic Cor Static Oil
mm mm mm Nm Nm
HK0306TN BK0306TN 3 6.5 6 1320 950 60000
HK0408TN BK0408TN 4 8 8 1540 1070 40000
HK0509 BK0509 5 9 9 2200 1790 36000
HK0608 6 10 8 1830 1550 32000
HK0609 BK0609 6 10 9 2650 2400 3000
HK0708 7 11 8 2800 2150 27000
HK0709 BK0709 7 11 9 2800 2150 27000
HK0808 BK0808 8 12 8 2550 2400 21000
HK0810 BK0810 8 12 10 3700 3450 21000
HK08×14×10 8 14 10 3800 3950 25000
HK08×14×12 8 14 12 4100 4320 25000
HK0910 BK0910 9 13 10 4050 4250 25000
HK0912 9 13 12 5000 6000 25000
HK1010 BK1010 10 14 10 3900 4800 19000
HK1012 BK1012 10 14 10 5000 6300 19000
HK1015 10 14 15 6700 7800 19000
HK10×16×10 10 16 10 6800 8800 18000
HK10×16×12 10 16 12 6800 8800 18000
HK10×16×15 10 16 15 6800 8800 19000
HK1210 BK1210 12 16 10 4150 5800 19000
HK1212 BK1212 12 18 12 3800 5100 15000
HK12×17×12 12 17 12 5100 7000 15000
HK12×17×15 12 17 15 5100 7000 15000
HK12×17×18 12 17 18 5100 7000 15000
HK12×18×12 BK12×18×12 12 18 12 550 6300 17000
HK1312 BK1312 13 19 12 6200 7100 17000
HK13.5×20×12 13.5 20 12 6250 7590 16000
HK1412 14 20 12 6800 7500 14000
HK1416 14 20 16 7300 9000 14000
HK15×20×12 15 20 12 5800 6000 14000
HK15×20×16 15 20 16 6000 6200 14000
HK15×20×20 15 20 20 6100 6400 14000
HK1512 BK1512 15 21 12 7000 8400 14000
HK1514 15 21 14 8500 10400 13000
HK1515 15 21 15 9100 11400 13000
HK1516 BK1516 15 21 16 9800 11400 14000
HK1522 15 21 22 10400 16500 14000
HK15×22×12 15 22 12 14300 18400 13000
HK1612 BK1612 16 22 12 7100 9200 14000
HK1614 16 22 14 8800 9900 12000
HK1616 BK1616 16 22 16 10100 14300 14000
HK1622 16 22 22 11100 17400 14000
HK1712 17 23 12 6900 9300 13000
HK1714 17 23 14 6800 10200 10000
HK1716 17 23 16 8500 12500 10000
HK1718 17 23 18 9500 10600 10000
HK17×25×14 17 25 14 13100 147000 10000
HK17×25×18 17 25 18 9500 10600 11000
HK1812 18 24 12 7100 9900 12000
HK1816 BK1816 18 24 16 10600 15300 12000
HK2010 20 26 10 5900 7200 10000
HK2014 20 26 14 9700 18100 9000
HK2016 BK2016 20 26 16 11700 29100 10000
HK2018 20 26 18 7900 12800 9000
HK2020 20 26 20 13700 24000 10000
HK2030 20 26 30 21800 40000 10100
HK20×27×20 20 27 20 26300 47800 9900
HK2210 22 28 10 7200 9500 10010
HK2212 BK2212 22 28 12 8100 10400 10010
HK22×29×30 22 29 30 19400 33100 9000
HK2512 BK2512 25 32 12 10000 14200 9000
HK2525 BK2525 25 32 25 22200 36700 9000
HK2816 BK2816 28 35 16 15400 22500 8700
HK2820 BK2820 28 35 20 18900 32000 8700
HK3012 BK3012 30 37 12 10100 16200 8100
HK3020 BK3020 30 37 20 19700 33500 8100
HK3224 32 39 24 25500 5200 7300
HK3516 BK3516 35 42 16 15700 27500 7100
HK4012 BK4012 40 47 12 14000 24300 6300
HK4512 BK4512 45 52 12 12900 22500 5800
HK5020 BK5020 50 58 20 28000 60000 5300
HK6012 BK6012 60 68 12 12400 29000 4100

###

Shaft Dia Unit No. Dimensions (mm) Basic Load Ratings Limiting speed Weight
mm d F D B r min S C KN C0 KN r/min g
10 NA4900 10 14 22 13 0.3 0.5 8.5 9.2 20000 23
12 NA4901 12 16 24 13 0.3 0.5 9.4 10.9 17000 26
15 NA4902 15 20 28 13 0.3 0.5 10.6 13.6 14000 34
17 NA4903 17 22 30 13 0.3 0.5 11 14.6 12000 37
20 NA4904 20 25 37 17 0.3 0.8 21 25.5 10000 141
22 NA49/22 22 28 39 17 0.3 0.8 22.8 29.5 9500 80
25 NA4905 25 30 42 17 0.3 0.8 23.6 31.5 9500 88
28 NA49/28 28 32 45 17 0.3 0.8 24.4 33.5 8500 97.7
30 NA4906 30 35 47 17 0.3 0.8 25 35.5 8000 101
32 NA49/32 32 40 52 20 0.6 0.8 30.5 47.5 7000 158
35 NA4907 35 42 55 20 0.6 0.8 31.5 50 7000 170
40 NA4908 40 48 62 22 0.6 1 43 67 6000 230
45 NA4909 45 52 68 22 0.6 1 45 73 8500 5500
50 NA4910 50 58 72 22 0.6 1 47 80 5000 274
55 NA4911 55 63 80 25 1 1.5 58 100 4700 393
60 NA4912 60 68 85 25 1 1.5 60 108 4300 426
65 NA4913 65 72 90 25 1 1.5 61 112 4100 456
70 NA4914 70 80 100 30 1 1.5 84 156 3800 728
75 NA4915 75 85 105 30 1 1.5 86 162 3600 775
80 NA4916 80 90 110 30 1 1.5 89 174 3400 878
85 NA4917 85 100 120 35 1.1 1 111 237 2800 1250
90 NA4918 90 105 125 35 1.1 1 114 250 3000 1312
95 NA4919 95 110 130 3 1.1 1 116 260 2800 1371
100 NA4920 100 115 140 40 1.1 2 128 270 2900 1900
110 NA4922 110 125 150 40 1.1 2 132 290 2600 2070
120 NA4924 120 135 165 45 1.1 2 181 390 2300 2860
130 NA4926 130 150 180 50 1.5 1.5 203 470 2000 3900
140 NA4928 140 160 190 50 1.5 1.5 209 500 1800 4150
 

 

###

NO. NO. SIZE
WITH INNER WITHOUT INNER mm
d Fw D C r min
NA5902 RNA5902 15 20 28 18 0.3
NA5903 RNA5903 17 22 30 18 0.3
NA5904 RNA5904 20 25 37 23 0.3
NA59/22 RNA59/22 22 28 39 23 0.3
NA5905 RNA5905 25 30 42 23 0.3
NA59/28 RNA59/28 28 32 45 23 0.3
NA5906 RNA5906 30 35 47 23 0.3
NA59/32 RNA59/32 32 40 52 27 0.6
NA5907 RNA5907 35 42 55 27 0.6
NA5908 RNA5908 40 48 62 30 0.6
NA5909 RNA5909 45 52 68 30 0.6
NA5910 RNA5910 50 58 72 30 0.6
NA5911 RNA5911 55 63 80 34 1
NA5912 RNA5912 60 68 85 34 1
NA5913 RNA5913 65 72 90 34 1
NA5914 RNA5914 70 80 100 40 1
NA5915 RNA5915 75 85 105 40 1
NA5916 RNA5916 80 90 110 40 1
NA5917 RNA5917 85 100 120 46 1.1
NA5918 RNA5918 90 105 125 46 1.1
NA5919 RNA5919 95 110 130 46 1.1
NA5920 RNA5920 100 115 140 54 1.1
NA5922 RNA5922 110 125 150 54 1.1
NA5924 RNA5924 120 135 165 60 1.1
NA5926 RNA5926 130 150 180 67 1.5
NA5928 RNA5928 140 160 190 67 1.5

###

      Bearing                     NO. Shaft   Diameter  (mm) Dimension(mm) Mass   Approx  (g)
Current Code Fw D C
 K3X5X7TN  3  3  5  7  0.3
K3X5X9TN 3 3 5 9 0.4
K3X6X7TN 3 3 6 7 0.4
K4X7X7TN 4 4 7 7 0.5
K4X7X10TN 4 4 7 10 0.7
K5X8X8TN 5 5 8 8 0.7
K5X8X10TN 5 5 8 10 0.9
K6X9X8TN 6 6 9 8 0.8
K6X9X10TN 6 6 9 10 1
K6X10X13TN 6 6 10 13 1.3
K7X10X8TN 7 7 10 8 0.9
K7X10X10TN 7 7 10 10 1.1
K8X11X8TN 8 8 11 8 1.1
K8X11X10TN 8 8 11 10 1.7
K8X11X13TN 8 8 11 13 1.8
K8X12X10TN 8 8 12 10 1.3
K9X12X10TN 9 9 12 10 1.5
K9X12X13TN 9 9 12 13 1.9
K10X13X10TN 10 10 13 10 1.6
K10X13X13TN 10 10 13 13 2.1
K10X13X16TN 10 10 13 16 2.2
K10X14X10TN 10 10 14 10 2.9
K10X14X13TN 10 10 14 13 4.3
K10X16X12TN 10 10 16 12 3.7
K12X15X9TN 12 12 15 9 2.7
K12X15X10TN 12 12 15 10 1.9
K12X15X13TN 12 12 15 13 2.4
K12X16X8TN 12 12 16 8 2.9
K12X16X10TN 12 12 16 10 3.4
K12X16X13TN 12 12 16 13 3.8
K12X17X13TN 12 12 17 13 4.4
K12X18X12TN 12 12 18 12 5
K12X15X20TN 12 12 15 20 3.8
K14X17X10 14 14 17 10 4
K14X17X17 14 14 17 17 6.8
K14X18X10 14 14 18 10 4.8
K14X18X13 14 14 18 13 6.3
K14X18X14 14 14 18 14 6.8
K14X18X15 14 14 18 15 7.3
K14X18X17 14 14 18 17 8.1
K14X20X12 14 14 20 12 8.6
K15X18X14 15 15 18 14 5.3
K15X18X17 15 15 18 17 6.4
K15X19X10 15 15 19 10 5.1
US $2.6
/ Piece
|
10 Pieces

(Min. Order)

###

Shipping Cost:

Estimated freight per unit.



To be negotiated

###

Rolling Body: Needle Roller
The Number of Rows: Single
Outer Dimension: Small (28-55mm)

###

Customization:

###

1 Drawn Cup Needle Bearing HK, BK
2 Needle Bearing with Inner Ring NA, NKI
3 Needle Bearing without Inner Ring NK, RNA
4 Full Complement Needle Bearing NAV
5 Radial Needle Roller and Cage Assemblies K, KK
6 Thrust Needle Roller and Cage Assemblies AXK, AS

###

Seals Types OPEN
Vibration Level Z1V1,Z2V2,Z3V3
Clearance C2,C0,C3,C4,C5
Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Materral GCr15-China/AISI52100-USA/Din100Cr6-Germany
MOQ 1Set at least
Delivery Time 5-15 days after contract
Payment Terms TT/PAPAL/WESTERN UNION
Package Tube package+outer carton+pallets;Single box+outer carton+pallets;
Tube packge+middle box+outer carton+pallets;According to your requirement

###

Bearing Designation Boundary Dimensions Basic Load Ratings Limiting Speed
HK BK Fw D C Cr Dynamic Cor Static Oil
mm mm mm Nm Nm
HK0306TN BK0306TN 3 6.5 6 1320 950 60000
HK0408TN BK0408TN 4 8 8 1540 1070 40000
HK0509 BK0509 5 9 9 2200 1790 36000
HK0608 6 10 8 1830 1550 32000
HK0609 BK0609 6 10 9 2650 2400 3000
HK0708 7 11 8 2800 2150 27000
HK0709 BK0709 7 11 9 2800 2150 27000
HK0808 BK0808 8 12 8 2550 2400 21000
HK0810 BK0810 8 12 10 3700 3450 21000
HK08×14×10 8 14 10 3800 3950 25000
HK08×14×12 8 14 12 4100 4320 25000
HK0910 BK0910 9 13 10 4050 4250 25000
HK0912 9 13 12 5000 6000 25000
HK1010 BK1010 10 14 10 3900 4800 19000
HK1012 BK1012 10 14 10 5000 6300 19000
HK1015 10 14 15 6700 7800 19000
HK10×16×10 10 16 10 6800 8800 18000
HK10×16×12 10 16 12 6800 8800 18000
HK10×16×15 10 16 15 6800 8800 19000
HK1210 BK1210 12 16 10 4150 5800 19000
HK1212 BK1212 12 18 12 3800 5100 15000
HK12×17×12 12 17 12 5100 7000 15000
HK12×17×15 12 17 15 5100 7000 15000
HK12×17×18 12 17 18 5100 7000 15000
HK12×18×12 BK12×18×12 12 18 12 550 6300 17000
HK1312 BK1312 13 19 12 6200 7100 17000
HK13.5×20×12 13.5 20 12 6250 7590 16000
HK1412 14 20 12 6800 7500 14000
HK1416 14 20 16 7300 9000 14000
HK15×20×12 15 20 12 5800 6000 14000
HK15×20×16 15 20 16 6000 6200 14000
HK15×20×20 15 20 20 6100 6400 14000
HK1512 BK1512 15 21 12 7000 8400 14000
HK1514 15 21 14 8500 10400 13000
HK1515 15 21 15 9100 11400 13000
HK1516 BK1516 15 21 16 9800 11400 14000
HK1522 15 21 22 10400 16500 14000
HK15×22×12 15 22 12 14300 18400 13000
HK1612 BK1612 16 22 12 7100 9200 14000
HK1614 16 22 14 8800 9900 12000
HK1616 BK1616 16 22 16 10100 14300 14000
HK1622 16 22 22 11100 17400 14000
HK1712 17 23 12 6900 9300 13000
HK1714 17 23 14 6800 10200 10000
HK1716 17 23 16 8500 12500 10000
HK1718 17 23 18 9500 10600 10000
HK17×25×14 17 25 14 13100 147000 10000
HK17×25×18 17 25 18 9500 10600 11000
HK1812 18 24 12 7100 9900 12000
HK1816 BK1816 18 24 16 10600 15300 12000
HK2010 20 26 10 5900 7200 10000
HK2014 20 26 14 9700 18100 9000
HK2016 BK2016 20 26 16 11700 29100 10000
HK2018 20 26 18 7900 12800 9000
HK2020 20 26 20 13700 24000 10000
HK2030 20 26 30 21800 40000 10100
HK20×27×20 20 27 20 26300 47800 9900
HK2210 22 28 10 7200 9500 10010
HK2212 BK2212 22 28 12 8100 10400 10010
HK22×29×30 22 29 30 19400 33100 9000
HK2512 BK2512 25 32 12 10000 14200 9000
HK2525 BK2525 25 32 25 22200 36700 9000
HK2816 BK2816 28 35 16 15400 22500 8700
HK2820 BK2820 28 35 20 18900 32000 8700
HK3012 BK3012 30 37 12 10100 16200 8100
HK3020 BK3020 30 37 20 19700 33500 8100
HK3224 32 39 24 25500 5200 7300
HK3516 BK3516 35 42 16 15700 27500 7100
HK4012 BK4012 40 47 12 14000 24300 6300
HK4512 BK4512 45 52 12 12900 22500 5800
HK5020 BK5020 50 58 20 28000 60000 5300
HK6012 BK6012 60 68 12 12400 29000 4100

###

Shaft Dia Unit No. Dimensions (mm) Basic Load Ratings Limiting speed Weight
mm d F D B r min S C KN C0 KN r/min g
10 NA4900 10 14 22 13 0.3 0.5 8.5 9.2 20000 23
12 NA4901 12 16 24 13 0.3 0.5 9.4 10.9 17000 26
15 NA4902 15 20 28 13 0.3 0.5 10.6 13.6 14000 34
17 NA4903 17 22 30 13 0.3 0.5 11 14.6 12000 37
20 NA4904 20 25 37 17 0.3 0.8 21 25.5 10000 141
22 NA49/22 22 28 39 17 0.3 0.8 22.8 29.5 9500 80
25 NA4905 25 30 42 17 0.3 0.8 23.6 31.5 9500 88
28 NA49/28 28 32 45 17 0.3 0.8 24.4 33.5 8500 97.7
30 NA4906 30 35 47 17 0.3 0.8 25 35.5 8000 101
32 NA49/32 32 40 52 20 0.6 0.8 30.5 47.5 7000 158
35 NA4907 35 42 55 20 0.6 0.8 31.5 50 7000 170
40 NA4908 40 48 62 22 0.6 1 43 67 6000 230
45 NA4909 45 52 68 22 0.6 1 45 73 8500 5500
50 NA4910 50 58 72 22 0.6 1 47 80 5000 274
55 NA4911 55 63 80 25 1 1.5 58 100 4700 393
60 NA4912 60 68 85 25 1 1.5 60 108 4300 426
65 NA4913 65 72 90 25 1 1.5 61 112 4100 456
70 NA4914 70 80 100 30 1 1.5 84 156 3800 728
75 NA4915 75 85 105 30 1 1.5 86 162 3600 775
80 NA4916 80 90 110 30 1 1.5 89 174 3400 878
85 NA4917 85 100 120 35 1.1 1 111 237 2800 1250
90 NA4918 90 105 125 35 1.1 1 114 250 3000 1312
95 NA4919 95 110 130 3 1.1 1 116 260 2800 1371
100 NA4920 100 115 140 40 1.1 2 128 270 2900 1900
110 NA4922 110 125 150 40 1.1 2 132 290 2600 2070
120 NA4924 120 135 165 45 1.1 2 181 390 2300 2860
130 NA4926 130 150 180 50 1.5 1.5 203 470 2000 3900
140 NA4928 140 160 190 50 1.5 1.5 209 500 1800 4150
 

 

###

NO. NO. SIZE
WITH INNER WITHOUT INNER mm
d Fw D C r min
NA5902 RNA5902 15 20 28 18 0.3
NA5903 RNA5903 17 22 30 18 0.3
NA5904 RNA5904 20 25 37 23 0.3
NA59/22 RNA59/22 22 28 39 23 0.3
NA5905 RNA5905 25 30 42 23 0.3
NA59/28 RNA59/28 28 32 45 23 0.3
NA5906 RNA5906 30 35 47 23 0.3
NA59/32 RNA59/32 32 40 52 27 0.6
NA5907 RNA5907 35 42 55 27 0.6
NA5908 RNA5908 40 48 62 30 0.6
NA5909 RNA5909 45 52 68 30 0.6
NA5910 RNA5910 50 58 72 30 0.6
NA5911 RNA5911 55 63 80 34 1
NA5912 RNA5912 60 68 85 34 1
NA5913 RNA5913 65 72 90 34 1
NA5914 RNA5914 70 80 100 40 1
NA5915 RNA5915 75 85 105 40 1
NA5916 RNA5916 80 90 110 40 1
NA5917 RNA5917 85 100 120 46 1.1
NA5918 RNA5918 90 105 125 46 1.1
NA5919 RNA5919 95 110 130 46 1.1
NA5920 RNA5920 100 115 140 54 1.1
NA5922 RNA5922 110 125 150 54 1.1
NA5924 RNA5924 120 135 165 60 1.1
NA5926 RNA5926 130 150 180 67 1.5
NA5928 RNA5928 140 160 190 67 1.5

###

      Bearing                     NO. Shaft   Diameter  (mm) Dimension(mm) Mass   Approx  (g)
Current Code Fw D C
 K3X5X7TN  3  3  5  7  0.3
K3X5X9TN 3 3 5 9 0.4
K3X6X7TN 3 3 6 7 0.4
K4X7X7TN 4 4 7 7 0.5
K4X7X10TN 4 4 7 10 0.7
K5X8X8TN 5 5 8 8 0.7
K5X8X10TN 5 5 8 10 0.9
K6X9X8TN 6 6 9 8 0.8
K6X9X10TN 6 6 9 10 1
K6X10X13TN 6 6 10 13 1.3
K7X10X8TN 7 7 10 8 0.9
K7X10X10TN 7 7 10 10 1.1
K8X11X8TN 8 8 11 8 1.1
K8X11X10TN 8 8 11 10 1.7
K8X11X13TN 8 8 11 13 1.8
K8X12X10TN 8 8 12 10 1.3
K9X12X10TN 9 9 12 10 1.5
K9X12X13TN 9 9 12 13 1.9
K10X13X10TN 10 10 13 10 1.6
K10X13X13TN 10 10 13 13 2.1
K10X13X16TN 10 10 13 16 2.2
K10X14X10TN 10 10 14 10 2.9
K10X14X13TN 10 10 14 13 4.3
K10X16X12TN 10 10 16 12 3.7
K12X15X9TN 12 12 15 9 2.7
K12X15X10TN 12 12 15 10 1.9
K12X15X13TN 12 12 15 13 2.4
K12X16X8TN 12 12 16 8 2.9
K12X16X10TN 12 12 16 10 3.4
K12X16X13TN 12 12 16 13 3.8
K12X17X13TN 12 12 17 13 4.4
K12X18X12TN 12 12 18 12 5
K12X15X20TN 12 12 15 20 3.8
K14X17X10 14 14 17 10 4
K14X17X17 14 14 17 17 6.8
K14X18X10 14 14 18 10 4.8
K14X18X13 14 14 18 13 6.3
K14X18X14 14 14 18 14 6.8
K14X18X15 14 14 18 15 7.3
K14X18X17 14 14 18 17 8.1
K14X20X12 14 14 20 12 8.6
K15X18X14 15 15 18 14 5.3
K15X18X17 15 15 18 17 6.4
K15X19X10 15 15 19 10 5.1

The Benefits of Using Self-Lubricating Bushings for Your Next Pivot

Like any other auto part, control arm bushings wear out over time. This results in an increase in irritating vibrations that can be dangerous in severe cases. The bushings in the control arms also wear out due to the stress that extreme driving conditions put on the control arms. Additionally, environmental factors and oversized tires tend to transmit more vibration through the bushing than conventionally sized tires. Whatever the cause, bushings can be the source of many problems.
bushing

wear and cracking

The main cause of dry valve side bushing cracking is a mismatch in thermal expansion of the core and flange. This situation can seriously compromise the safety of the power system. To improve the safety of dry valve side bushings, the crack development of epoxy impregnated paper under various conditions was investigated. A coupled thermomechanical simulation model was also used to study the cracking process.
The first step in diagnosing the cause of bushing wear and cracking is a visual inspection. The bushing of the lower control arm is fixed to the frame by a bracket. If there are any visible cracks, it’s time to replace the bushing. However, there is no need to replace the entire suspension. In some cases, worn bushings can cause a variety of problems, including body lean, excessive tire wear and cornering noise.

Maintenance free

If you’re considering maintenance-free bushings for your next pivot, you’ll be wondering what to look for in these components. The bushing protects the housing from corrosion and keeps the bushing under pressure. However, many users are not familiar with what these components can do for their applications. In this article, we’ll look at several examples of truly maintenance-free pivots and discuss their requirements.
One of the most popular types of maintenance-free bushings are flanged and parallel. Unlike worm gear bushings, these self-lubricating metal bearings are ideal for a variety of applications and conditions. They reduce failure and downtime costs while providing the long-term lubrication required by other types of bushings. Since these sleeves are made of lead-free material, they are RoHS compliant, which means they are environmentally friendly.Another common maintenance-free bushing is plastic. This material is easier to find off-the-shelf and relatively inexpensive to produce. However, it is not suitable for high load applications as it will crack under heavy loads and damage mating parts. Plastics can also deviate if the manufacturing process is imprecise. Plastic bushings can also crack when subjected to high loads.
bushing

self-lubricating

When using a self-lubricating bushing, there is no need to apply grease to the bushing. Oily liquids tend to attract dirt and grit, which can wear away the graphite prematurely. By eliminating the need for regular lubrication, you will reduce equipment maintenance costs. This article will explore the benefits of self-lubricating bushings. You will love your kindness.
Self-lubricating bushings have a strong base material to withstand radial bearing pressure while providing shaft support at the contact surfaces. The material also has good fatigue properties and low friction motion. Self-lubricating bushings can be used in environments with high temperatures and aggressive media. These products can also withstand enormous pressure. When using self-lubricating bushings, it is important to select the correct material.
The main advantage of using self-lubricating bushings is ease of maintenance. They don’t require oil to run and are cheaper to buy. Their main benefit is that they can significantly reduce your machine running costs. These bearings do not require oiling operations, reducing maintenance costs. These bearings also offer a simplified mechanical design due to their thin walls and high load capacity. In addition, they reduce noise levels while maintaining excellent wear resistance. Plus, their materials are ROHS compliant, which means they don’t require oil.
Hydropower installations are another area where self-lubricating bushings have proven their advantages. They reduce maintenance costs, extend equipment life, and improve environmental benefits. For example, the Newfoundland Power Company uses self-lubricating bushings in the gates of its hydroelectric power plants. These self-lubricating bushings eliminate grease from entering waterways and tailraces. As a result, power companies are able to reduce maintenance and costs.

compared to cartilage in the human body

What is the difference between tendon, bone and cartilage? Human cartilage is composed of collagen and elastic fibers. In contrast, fibrocartilage contains more collagen than hyaline cartilage. Both cartilage types are composed of proteoglycans, which have a protein backbone and glycosaminoglycan side chains. These components work together to provide structure and flexibility to the cartilage.
Bone is a combination of living and dead cells embedded in a matrix. The outer hard layer of bone is dense bone, and the inner layer is spongy, containing bone marrow, blood vessels, nerves, etc. Bone contains both organic and inorganic substances, and this process of hardening of the matrix produces bone. On the other hand, cartilage consists of chondrocytes and a matrix composed of collagen and elastin fibers. Compared to bone, cartilage is yellow and contains elastic fibers.
Although bone and cartilage are structurally identical, cartilage is more flexible. It is mainly found in the joints and respiratory system and requires flexibility. Its ingredients include collagen and proteoglycans, which provide compression and abrasion resistance. Furthermore, connective tissue is composed of cells, fibers and matrix.
The basic substance of cartilage is chondroitin sulfate, which is derived from animals. Although cartilage grows more slowly than bone, its microstructure is less organized. There is a fibrous sheath covering the cartilage, called the perichondrium. The molecular composition of the ECM plays an important role in the function of cartilage. The collagen matrix is ​​important for cartilage remodeling and consists of changes in the collagen matrix.
bushing

Compared to metal-on-bone contact

Both metal-on-bone contact are known to cause a significant increase in the pressures in a joint. To compare the two, we first calculated the joint contact pressures in each model and compared them. The results of this study support previous research on this subject. The following sections discuss the benefits of both types of contact. They also outline some key differences between the two.

China Koyo Rna 4905 Needle Roller Bearings with Machined Rings Without an Inner Ring     drive shaft bearingChina Koyo Rna 4905 Needle Roller Bearings with Machined Rings Without an Inner Ring     drive shaft bearing
editor by czh 2023-01-21