NRB Needle Roller

We offer needle roller
needle rollers are the main element of a bearing without which no needle bearings is complete or where there is heavy load needle rollers are needed. As they are principaly working on the line load factor.
Application of needle rollers varies but its most commonly used in automotive transmission universal joints, water pump bearing, bottom roller bearing for textiles, and as pin and shaft for various application, in printing machines, in rolling mills, slides.
constant velocity joints
roller clutches
planetary gear sets
thrust bearing
roller clutches
u-joints
water pump bearing
needle rollers are available in range of diameter from 1.00 mm to 12.00 mm and length from 3.8 mm to 50.00 mm. Standard material for needle rollers is sae52100 or equivalent.
Hardness standard
hrc 60 to 64
hardness as low as hrc 45 available on request
needle rollers are available with different ends configuration flat, round and ground ends.
Needle rollers spherical ends- br
dia in m.m
length in m.m
weight per
1,000 nos.
Gm.
1 6.6 38.5
1.5 6.8 87
1.5 9.3 125
1.5 13.6 186
1.811 13.46 274
2 9.8 240
2 11.8 280
2 13.8 326
2 15.8 376
2 30 720
2.015 10.3 257
2.381 10.57 323
2.387 12.55 384
2.387 16.85 544
2.387 19.8 673
2.5 7.8 285
2.5 9.8 360
2.5 11.8 431
2.5 13.8 511
2.5 15.8 581
2.5 17.8 661
2.5 19.8 732
2.5 23.8 882
2.778 11.17 509
3 9.8 511
3 15.8 841
3 19.8 1052
3 21.8 1152
3 23.8 1262
3 29.8 1603
3.0025 25.1 1386
3.0025 28.1 1450
3.16 11.17 619
3.175 19.05 1127
3.175 21.40 1287
3.2 19.3 1155
3.5 23.8 1720
3.5 29.8 2155
3.968 19.05 1770
3.97 28.1 2515
4 25.4 2485
4.755 30.15 4145
4.757 25.4 3516
4.757 34.925 4650
5.542 19.05 3233
6 29.8 6331
7.5 12.5 4214
needle rollers flat ends. Bp
dia in m.m
length in m.m
weight per
1,000 nos.
Gm.
0.9 9 042
1.5 6.4 082
1.5 7.4 095
1.5 9.3 119
1.5 10.1 130
1.5 14.1 180
1.588 10.06 153
2 4.8 117
2 5.8 142
2 7.8 190
2 9.8 239
2 11.8 288
2 13.8 337
2 15 385
2.5 7.8 295
2.5 9.8 378
2.5 11.8 455
2.5 15.8 609
2.5 18.8 723
2.95 5.95 320
3 10.8 600
3 11.7 646
3 12.8 707
3.15 9.4 575
3.175 16.75 1042
3.175 31.75 2004
3.5 5 378
3.5 12.8 1005
4 5 512
4 6 615
4 12 1230
4 12.8 1312
4 15.8 1620
4 19.8 2030
4 25.4 2605
4 39.7 4070
4.95 8.5 1278
5 25 3740
5 18.8
7
16
9
21
needle rollers ground ends. Bpm
dia in m.m
length in m.m
weight per
1,000 nos.
Gm.
4 8 790
7 10 2980
7 13 3873
7.513 13 4465
7.513 16 5490
7.513 21 7206
9 9 4430