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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

K35X40X17 - - 17 mm 20800 N 38500 N 7400 rpm 13100 rpm
K35X40X25 - - 25 mm 29500 N 60000 N 7200 rpm 13100 rpm
K35X40X27-TV - - 27 mm 25000 N 48500 N 7900 rpm 13100 rpm
K35X42X16 - - 16 mm 24400 N 37500 N 7100 rpm 12700 rpm
K35X42X18 - - 18 mm 27500 N 43000 N 7100 rpm 12700 rpm
K35X42X20 - - 20 mm 30000 N 49000 N 7000 rpm 12700 rpm
K35X42X30 - - 30 mm 39000 N 68000 N 7200 rpm 12700 rpm
K35X45X20 - - 20 mm 37000 N 50000 N 6800 rpm 12300 rpm
K35X45X30 - - 30 mm 53000 N 79000 N 6700 rpm 12300 rpm
K37X42X17 - - 17 mm 22400 N 43000 N 6900 rpm 12400 rpm
K38X43X17 - - 17 mm 20500 N 38500 N 7000 rpm 12100 rpm
K38X43X27 - - 27 mm 31500 N 68000 N 6800 rpm 12100 rpm
K38X46X20 - - 20 mm 35500 N 57000 N 6300 rpm 11700 rpm
K38X46X32 - - 32 mm 55000 N 99000 N 6200 rpm 11700 rpm
K40X45X13 - - 13 mm 17600 N 32500 N 6600 rpm 11500 rpm
K40X45X17 - - 17 mm 21400 N 41500 N 6700 rpm 11500 rpm
K40X45X27 - - 27 mm 33000 N 73000 N 6500 rpm 11500 rpm
K40X47X18 - - 18 mm 29500 N 50000 N 6300 rpm 11300 rpm
K40X47X20 - - 20 mm 32500 N 57000 N 6200 rpm 11300 rpm
K40X48X20 - - 20 mm 36000 N 59000 N 6100 rpm 11100 rpm