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Needle roller bearing is a roller bearing with cylindrical rollers. Compared with its diameter, the rollers are thin and long. This kind of roller is called needle roller.

Part Number

d - Bore

D - Outer Diameter

B - Width

Cr - Dynamic Radial Rating

Cor - Static Radial Rating

Reference speed

Limiting speed

NK105/26-XL - 125 mm - 89000 N 155000 N 3050 rpm 4400 rpm
NK105/36-XL - 125 mm - 129000 N 250000 N 2850 rpm 4400 rpm
NA4822-XL 110 mm 140 mm 30 mm 106000 N 216000 N 2270 rpm 3900 rpm
NK110/30-XL - 130 mm - 111000 N 210000 N 2800 rpm 4200 rpm
NK110/40-XL - 130 mm - 143000 N 290000 N 2750 rpm 4200 rpm
NA4824-XL 120 mm 150 mm 30 mm 112000 N 239000 N 2070 rpm 3600 rpm
NA4826-XL 130 mm 165 mm 35 mm 134000 N 310000 N 1930 rpm 3250 rpm
NA4828-XL 140 mm 175 mm 35 mm 136000 N 325000 N 1810 rpm 3050 rpm
NA4832-XL 160 mm 200 mm 40 mm 181000 N 435000 N 1650 rpm 2700 rpm
NA4834-XL 170 mm 215 mm 45 mm 209000 N 510000 N 1610 rpm 2550 rpm
NA4836-XL 180 mm 225 mm 45 mm 219000 N 550000 N 1490 rpm 2420 rpm
NA4838-XL 190 mm 240 mm 50 mm 255000 N 690000 N 1330 rpm 2250 rpm
NA4840-XL 200 mm 250 mm 50 mm 260000 N 720000 N 1250 rpm 2150 rpm
NA4844-XL 220 mm 270 mm 50 mm 275000 N 790000 N 1110 rpm 1980 rpm
NA4848-XL 240 mm 300 mm 60 mm 400000 N 1080000 N 960 rpm 1780 rpm
NA4852-XL 260 mm 320 mm 60 mm 415000 N 1160000 N 870 rpm 1660 rpm
NA4856-XL 280 mm 350 mm 69 mm 510000 N 1300000 N 840 rpm 1540 rpm
NA4860-XL 300 mm 380 mm 80 mm 700000 N 1770000 N 720 rpm 1420 rpm
NA4868-XL 340 mm 420 mm 80 mm 730000 N 1940000 N 620 rpm 1270 rpm
NA4872-XL 360 mm 440 mm 80 mm 740000 N 2020000 N 590 rpm 1210 rpm