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Heavy Duty Needle Roller Bearings

ZHIO® Needle roller bearings are roller bearings with cylindrical rollers that are small in diameter but long in length (L/D≥2.5). ZHIO® Needle roller bearings have a high radial load carrying capacity. And since they have a low cross section, needle roller bearings are extremely suitable for bearing applications where the radial space is limited.

ZHIO® offers a wide range of needle roller bearings including needle roller & cage assemblies, drawn cup and solid needle roller bearings. They can also be specified as cam followers and track roller bearings by applications. The major application markets include automotive, consumer product and general industrial goods.

Dimension(mm) Radial Load
Model inside Outside Height Dynamic Static Maximum Speed Weight
NK50/35-TV-XL 50 mm 62 mm 35 mm 15062 lbf 29675 lbf 9.2 207 g
NK50/25-TV-XL 50 mm 62 mm 25 mm 10903 lbf 19558 lbf 9.2 146 g
NKS50-XL 50 mm 65 mm 22 mm 10791 lbf 15062 lbf 8.9 157 g
NAO50X68X20-IS1-XL 50 mm 68 mm 20 mm 7194 lbf 14837 lbf 8.5 230 g
NA6910-ZW-XL 50 mm 72 mm 40 mm 18434 lbf 31248 lbf 7.8 515 g
NA4910-XL 50 mm 72 mm 22 mm 11915 lbf 17985 lbf 7.8 274 g
NA4910-RSR-XL 50 mm 72 mm 23 mm 10116 lbf 14388 lbf 4.7 295 g
NA4910-2RSR-XL 50 mm 72 mm 23 mm 10116 lbf 14388 lbf 4.7 295 g
RNA6908-ZW-XL 48 mm 62 mm 40 mm 16636 lbf 26078 lbf 9.2 256 g
RNA4908-XL 48 mm 62 mm 22 mm 10903 lbf 15062 lbf 9.2 140 g
RNA4908-RSR-XL 48 mm 62 mm 22 mm 9217 lbf 11915 lbf 5.5 154 g
RNA4908-2RSR-XL 48 mm 62 mm 22 mm 9217 lbf 11915 lbf 5.5 154 g
NK47/30-XL 47 mm 57 mm 30 mm 10903 lbf 21132 lbf 9.8 142 g
NK47/20-XL 47 mm 57 mm 20 mm 7306 lbf 12589 lbf 9.8 94.5 g
RNAO45X62X40-ZW-ASR1-XL 45 mm 62 mm 40 mm 17085 lbf 30349 lbf 10 377 g
RNAO45X55X17-XL 45 mm 55 mm 17 mm 5733 lbf 10341 lbf 10.3 83 g
NKI45/35-TV-XL 45 mm 62 mm 35 mm 15062 lbf 29675 lbf 9.2 308 g
NKI45/25-TV-XL 45 mm 62 mm 25 mm 10903 lbf 19558 lbf 9.2 217 g
NKIS45-XL 45 mm 72 mm 22 mm 11465 lbf 16636 lbf 8.2 336 g
NK45/30-TV-XL 45 mm 55 mm 30 mm 1169 lbf 23155 lbf 10.2 132 g
NK45/20-TV-XL 45 mm 55 mm 20 mm 7868 lbf 13938 lbf 10.2 85.3 g
NKS45-XL 45 mm 60 mm 22 mm 10229 lbf 13489 lbf 9.8 145 g
NA6909-ZW-XL 45 mm 68 mm 40 mm 1776 lbf 28551 lbf 8.6 495 g
NA4909-XL 45 mm 68 mm 22 mm 11465 lbf 16411 lbf 8.6 271 g
NA4909-RSR-XL 45 mm 68 mm 23 mm 9667 lbf 13264 lbf 5.2 290 g
NA4909-2RSR-XL 45 mm 68 mm 23 mm 9667 lbf 13264 lbf 5.2 290 g
NK43/30-XL 43 mm 53 mm 30 mm 10229 lbf 19109 lbf 10.7 133 g
NK43/20-XL 43 mm 53 mm 20 mm 6857 lbf 11465 lbf 10.7 86 g
NKS43-XL 43 mm 58 mm 22 mm 9892 lbf 12814 lbf 10.2 139 g
RNA6907-ZW-XL 42 mm 55 mm 36 mm 1214 lbf 19334 lbf 10.7 193 g
RNA4907-XL 42 mm 55 mm 20 mm 7981 lbf 1124 lbf 10.7 107 g
RNA4907-RSR-XL 42 mm 55 mm 20 mm 6632 lbf 888 lbf 6.4 107 g
RNA4907-2RSR-XL 42 mm 55 mm 20 mm 6632 lbf 888 lbf 6.4 107 g
NKI42/30-XL 42 mm 57 mm 30 mm 10903 lbf 21132 lbf 9.8 222 g
NKI42/20-XL 42 mm 57 mm 20 mm 7306 lbf 12589 lbf 9.8 148 g
NK42/30-XL 42 mm 52 mm 30 mm 10004 lbf 18434 lbf 10.9 130 g
NK42/20-XL 42 mm 52 mm 20 mm 6744 lbf 11016 lbf 10.9 85.8 g
RNAO40X55X40-ZW-ASR1-XL 40 mm 55 mm 40 mm 15737 lbf 26527 lbf 11.1 275 g
RNAO40X55X20-XL 40 mm 55 mm 20 mm 8318 lbf 12814 lbf 11.3 145 g
RNAO40X50X34-ZW-ASR1-XL 40 mm 50 mm 34 mm 933 lbf 18659 lbf 11.5 152 g