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Needle roller bearings

Needle roller bearing is a bearing with cylindrical roller. The diameter of cylindrical roller is smaller than its length. The improved roller / raceway profile prevents stress peaks, thereby extending the service life of the bearing.

Bore Dia.-d

mm

-

mm

Inner Dia. without inner ring-Fw

mm

-

mm

Model Code
Outer Dia.-D

mm

-

mm

Outer Dia. without outer ring-Ew

mm

-

mm

Basic dimensions Basic load rating Speed ratings Mass Model
dynamic static Reference speed Limiting speed Bearing No.
Fw [mm] d [mm] Ew [mm] D [mm] B [mm] C [mm] U [mm] C [kN] C0 [kN] [r/min] [r/min] [kg]
3 5 7 1.359 1.206 36000 40500 0.0003 K 3X5X7 TN Bearing
3 5 9 1.512 1.377 36000 40500 0.0004 K 3X5X9 TN Bearing
3 6 7 1.278 0.918 34200 38700 0.0004 K 3X6X7 TN Bearing
4 7 10 2.061 1.71 32400 38700 0.001 K 4X7X10 TN Bearing
4 7 7 1.548 1.188 32400 38700 0.001 K 4X7X7 TN Bearing
5 8 10 2.628 2.43 32400 36000 0.001 K 5X8X10 TN Bearing
5 8 8 2.061 1.8 32400 36000 0.001 K 5X8X8 TN Bearing
6 9 10 2.97 2.88 30600 34200 0.001 K 6X9X10 TN Bearing
6 9 8 2.295 2.124 30600 34200 0.001 K 6X9X8 TN Bearing
7 10 10 3.222 3.375 28800 32400 0.001 K 7X10X10 TN Bearing
7 10 8 2.529 2.475 28800 32400 0.001 K 7X10X8 TN Bearing
7 9 7 1.512 1.647 30600 34200 0.001 K 7X9X7 TN Bearing
8 11 10 3.42 3.825 28800 32400 0.001 K 8X11X10 TN Bearing
8 11 13 4.509 5.265 28800 32400 0.002 K 8X11X13 TN Bearing
8 12 10 4.356 4.275 27000 30600 0.002 K 8X12X10 TN Bearing
9 12 10 3.96 4.68 27000 30600 0.002 K 9X12X10 TN Bearing
9 12 13 5.148 6.48 27000 30600 0.002 K 9X12X13 TN Bearing
10 13 10 4.113 5.13 25200 28800 0.002 K 10X13X10 TN Bearing
10 13 13 5.346 7.2 25200 28800 0.002 K 10X13X13 TN Bearing
10 13 16 6.138 8.55 25200 28800 0.003 K 10X13X16 TN Bearing
10 14 10 5.049 5.49 25200 28800 0.003 K 10X14X10 TN Bearing
10 14 13 6.489 7.65 25200 28800 0.005 K 10X14X13 TN Bearing
10 16 12 6.885 6.48 25200 28800 0.006 K 10X16X12 TN Bearing
12 15 10 4.257 5.58 23400 27000 0.003 K 12X15X10 TN Bearing
12 15 13 5.544 7.785 23400 27000 0.002 K 12X15X13 TN Bearing
12 16 13 6.885 8.55 23400 27000 0.004 K 12X16X13 TN Bearing
12 17 13 8.217 9.36 23400 27000 0.005 K 12X17X13 TN Bearing
12 18 12 8.568 9 23400 27000 0.006 K 12X18X12 TN Bearing
14 18 10 6.237 7.785 21600 25200 0.004 K 14X18X10 Bearing
14 18 13 7.128 9.18 21600 25200 0.007 K 14X18X13 Bearing
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