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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
NAO17X35X16-XL 17 mm 35 mm 16 mm 5081 lbf 5733 lbf 19.2 78 g
NAO17X30X13-XL 17 mm 30 mm 13 mm 2653 lbf 3574 lbf 20.4 42 g
NA6903-XL 17 mm 30 mm 23 mm 4743 lbf 6519 lbf 20 72 g
NA4903-XL 17 mm 30 mm 13 mm 2788 lbf 3282 lbf 20 37 g
NA4903-RSR-XL 17 mm 30 mm 14 mm 2248 lbf 2473 lbf 12 40 g
NA4903-2RSR-XL 17 mm 30 mm 14 mm 2248 lbf 2473 lbf 12 40 g
RNAO16X28X12-XL 16 mm 28 mm 12 mm 2923 lbf 281 lbf 22.9 32 g
RNAO16X24X13-XL 16 mm 24 mm 13 mm 2271 lbf 2653 lbf 23.6 21 g
RNA6901-XL 16 mm 24 mm 22 mm 4069 lbf 4856 lbf 23.2 31 g
RNA4901-XL 16 mm 24 mm 13 mm 2383 lbf 245 lbf 23.2 17.4 g
RNA4901-RSR-XL 16 mm 24 mm 13 mm 1933 lbf 1866 lbf 13.9 18 g
RNA4901-2RSR-XL 16 mm 24 mm 13 mm 1933 lbf 1866 lbf 13.9 18 g
NK16/20-XL 16 mm 24 mm 20 mm 3664 lbf 4226 lbf 23.2 28.4 g
NK16/16-XL 16 mm 24 mm 16 mm 2878 lbf 3125 lbf 23.2 22.4 g
RNAO15X23X13-XL 15 mm 23 mm 13 mm 2181 lbf 245 lbf 24.3 20 g
NKI15/20-XL 15 mm 27 mm 20 mm 4204 lbf 5305 lbf 21.6 48.7 g
NKI15/16-XL 15 mm 27 mm 16 mm 3305 lbf 3912 lbf 21.6 38.8 g
NKIS15-XL 15 mm 35 mm 20 mm 6182 lbf 6295 lbf 18.5 92 g
NK15/20-XL 15 mm 23 mm 20 mm 3462 lbf 3867 lbf 23.9 26.6 g
NK15/16-XL 15 mm 23 mm 16 mm 272 lbf 2855 lbf 23.9 21.8 g
NAO15X32X12-IS1-XL 15 mm 32 mm 12 mm 3395 lbf 3642 lbf 20.9 50 g
NAO15X28X13-XL 15 mm 28 mm 13 mm 2495 lbf 3215 lbf 21.3 29 g
NA6902-XL 15 mm 28 mm 23 mm 4384 lbf 5733 lbf 21.1 63.6 g
NA4902-XL 15 mm 28 mm 13 mm 2698 lbf 3057 lbf 21.1 34 g
NA4902-RSR-XL 15 mm 28 mm 14 mm 2181 lbf 2316 lbf 12.6 37 g
NA4902-2RSR-XL 15 mm 28 mm 14 mm 2181 lbf 2316 lbf 12.6 37 g
RNA4900-XL 14 mm 22 mm 13 mm 2158 lbf 2068 lbf 24.6 16.5 g
RNA4900-RSR-XL 14 mm 22 mm 13 mm 1731 lbf 1551 lbf 14.8 16 g
RNA4900-2RSR-XL 14 mm 22 mm 13 mm 1731 lbf 1551 lbf 14.8 16 g
NK14/20-XL 14 mm 22 mm 20 mm 326 lbf 3507 lbf 24.6 25.5 g
NK14/16-XL 14 mm 22 mm 16 mm 2563 lbf 2585 lbf 24.6 20.7 g
NK14/16-D-XL 14 mm 22 mm 16 mm 3462 lbf 3844 lbf 24.6 21.4 g
RNAO12X22X12-TV-XL 12 mm 22 mm 12 mm 254 lbf 2226 lbf 26 19 g
NKI12/20-XL 12 mm 24 mm 20 mm 3664 lbf 4226 lbf 23.2 41.9 g
NKI12/16-XL 12 mm 24 mm 16 mm 2878 lbf 3125 lbf 23.2 33.3 g
NK12/16-XL 12 mm 19 mm 16 mm 2271 lbf 2473 lbf 26.5 15.9 g
NK12/12-XL 12 mm 19 mm 12 mm 1619 lbf 1596 lbf 26.5 12.1 g
NAO12X28X12-IS1-XL 12 mm 28 mm 12 mm 2923 lbf 281 lbf 22.9 40 g
NAO12X24X13-XL 12 mm 24 mm 13 mm 2271 lbf 2653 lbf 23.6 30 g
NA6901-XL 12 mm 24 mm 22 mm 4069 lbf 4856 lbf 23.2 46 g