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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
RNAO40X50X17-XL 40 mm 50 mm 17 mm 544 lbf 933 lbf 11.5 74 g
RNA69/32-ZW-XL 40 mm 52 mm 36 mm 11915 lbf 18434 lbf 11.1 162 g
RNA49/32-XL 40 mm 52 mm 20 mm 7756 lbf 10678 lbf 11.1 89.1 g
NKI40/30-TW-XL 40 mm 55 mm 30 mm 1169 lbf 23155 lbf 10.2 216 g
NKI40/30-TV-XL 40 mm 55 mm 30 mm 1169 lbf 23155 lbf 10.2 216 g
NKI40/20-TV-XL 40 mm 55 mm 20 mm 7868 lbf 13938 lbf 10.2 136 g
NKIS40-XL 40 mm 65 mm 22 mm 10791 lbf 15062 lbf 8.9 281 g
NK40/30-XL 40 mm 50 mm 30 mm 9892 lbf 1776 lbf 11.4 125 g
NK40/20-TV-XL 40 mm 50 mm 20 mm 7531 lbf 12589 lbf 11.4 78 g
NKS40-XL 40 mm 55 mm 22 mm 9554 lbf 1214 lbf 10.9 129 g
NAO40X55X17-XL 40 mm 55 mm 17 mm 5733 lbf 10341 lbf 10.3 127 g
NA6908-ZW-XL 40 mm 62 mm 40 mm 16636 lbf 26078 lbf 9.2 430 g
NA4908-XL 40 mm 62 mm 22 mm 10903 lbf 15062 lbf 9.2 230 g
NA4908-RSR-XL 40 mm 62 mm 23 mm 9217 lbf 11915 lbf 5.5 252 g
NA4908-2RSR-XL 40 mm 62 mm 23 mm 9217 lbf 11915 lbf 5.5 252 g
NKI38/30-XL 38 mm 53 mm 30 mm 10229 lbf 19109 lbf 10.7 207 g
NKI38/20-XL 38 mm 53 mm 20 mm 6857 lbf 11465 lbf 10.7 136 g
NK38/30-XL 38 mm 48 mm 30 mm 9667 lbf 17085 lbf 12 116 g
NK38/20-XL 38 mm 48 mm 20 mm 6519 lbf 10116 lbf 12 79.4 g
NK37/30-XL 37 mm 47 mm 30 mm 9442 lbf 16411 lbf 12.3 113 g
NK37/20-XL 37 mm 47 mm 20 mm 6295 lbf 9779 lbf 12.3 77 g
NK37/20-D-XL 37 mm 47 mm 20 mm 7644 lbf 12589 lbf 12.3 83 g
NKS37-XL 37 mm 52 mm 22 mm 933 lbf 1124 lbf 11.7 123 g
RNAO35X47X32-ZW-ASR1-XL 35 mm 47 mm 32 mm 10678 lbf 16861 lbf 12.7 156 g
RNAO35X47X18-XL 35 mm 47 mm 18 mm 6969 lbf 9667 lbf 12.7 89 g
RNAO35X47X16-XL 35 mm 47 mm 16 mm 6182 lbf 843 lbf 12.7 78 g
RNAO35X45X26-ZW-ASR1-XL 35 mm 45 mm 26 mm 7081 lbf 12589 lbf 13.1 91 g
RNAO35X45X17-XL 35 mm 45 mm 17 mm 5283 lbf 8655 lbf 13.1 69 g
RNAO35X45X13-XL 35 mm 45 mm 13 mm 4114 lbf 6295 lbf 13.1 53 g
RNA6906-XL 35 mm 47 mm 30 mm 11016 lbf 15961 lbf 12.6 126 g
RNA4906-XL 35 mm 47 mm 17 mm 6407 lbf 7981 lbf 12.6 69.4 g
RNA4906-RSR-XL 35 mm 47 mm 17 mm 5373 lbf 6407 lbf 7.5 69 g
RNA4906-2RSR-XL 35 mm 47 mm 17 mm 5373 lbf 6407 lbf 7.5 69 g
NKI35/30-XL 35 mm 50 mm 30 mm 9892 lbf 1776 lbf 11.4 193 g
NKI35/20-TW-XL 35 mm 50 mm 20 mm 7531 lbf 12589 lbf 11.4 122 g
NKI35/20-TV-XL 35 mm 50 mm 20 mm 7531 lbf 12589 lbf 11.4 122 g
NKIS35-XL 35 mm 58 mm 22 mm 9892 lbf 12814 lbf 10.2 220 g
NK35/30-TV-XL 35 mm 45 mm 30 mm 10341 lbf 1821 lbf 12.9 106 g
NK35/20-TV-XL 35 mm 45 mm 20 mm 6969 lbf 10903 lbf 12.9 69.4 g
NKS35-XL 35 mm 50 mm 22 mm 888 lbf 10566 lbf 12.3 118 g