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Thrust roller bearing is used to bear the combined axial and radial load dominated by axial load, but the radial load shall not exceed 55% of the axial load.

Part Number

d - Bore

D - Outer Diameter

B - Width

Cr - Dynamic Radial Rating

Cor - Static Radial Rating

Reference speed

Limiting speed

NA6901-XL 12 mm 24 mm 22 mm 18100 N 21600 N 13300 rpm 23200 rpm
NA6904-XL 20 mm 37 mm 30 mm 40500 N 51000 N 8900 rpm 16900 rpm
NAO12X24X13 12 mm 24 mm 13 mm 8900 N 11800 N 15000 rpm 23600 rpm
NAO12X28X12 12 mm 28 mm 12 mm 11500 N 12500 N 14300 rpm 22900 rpm
NAO20X35X17 20 mm 35 mm 17 mm 14900 N 26000 N 10000 rpm 18100 rpm
NAO35X50X17 35 mm 50 mm 17 mm 21400 N 41500 N 6500 rpm 11500 rpm
NAO40X55X17 40 mm 55 mm 17 mm 22500 N 46000 N 5900 rpm 10300 rpm
NKIS25-XL 25 mm 47 mm 22 mm 38000 N 43500 N 7100 rpm 13200 rpm
NKIS35-XL 35 mm 58 mm 22 mm 44000 N 57000 N 5600 rpm 10200 rpm
NKIS45-XL 45 mm 72 mm 22 mm 51000 N 74000 N 4600 rpm 8200 rpm
NKIS50-XL 50 mm 80 mm 28 mm 71000 N 98000 N 4250 rpm 7400 rpm
NKIS55-XL 55 mm 85 mm 28 mm 75000 N 108000 N 4000 rpm 6900 rpm
NKIS60-XL 60 mm 90 mm 28 mm 77000 N 113000 N 3800 rpm 6400 rpm
NAO9X22X12-TV-XL 9 mm 22 mm 12 mm 11300 N 9900 N 17900 rpm 26000 rpm
NKIS17-XL 17 mm 37 mm 20 mm 29500 N 31000 N 8800 rpm 17200 rpm
NKIS30-XL 30 mm 52 mm 22 mm 41500 N 50000 N 6400 rpm 11700 rpm
NKIS40-XL 40 mm 65 mm 22 mm 48000 N 67000 N 4850 rpm 8900 rpm
RNAO6X13X8-TV - 13 mm 8 mm 2600 N 2280 N 48500 rpm 36500 rpm
RNA4852-XL - 320 mm 60 mm 415000 N 1160000 N 890 rpm 1660 rpm
RNA4856-XL - 350 mm 69 mm 510000 N 1300000 N 850 rpm 1540 rpm