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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

C182420-A/-5-7 - - 31.75 mm 52000 N 76000 N - 15000 rpm
K32X39X18 - - 18 mm 26500 N 41000 N 7500 rpm 13800 rpm
K32X40X42-ZW-TV - - 42 mm 50000 N 84000 N 7800 rpm 13600 rpm
K35X45X20 - - 20 mm 37000 N 50000 N 6800 rpm 12300 rpm
C243016/-1-3 - - 25.4 mm 48000 N 74000 N - 11400 rpm
C243016/-3-5 - - 25.4 mm 48000 N 74000 N - 11400 rpm
C243024/-2-4 - - 38.1 mm 68000 N 116000 N - 11400 rpm
C243024/-3-5 - - 38.1 mm 68000 N 116000 N - 11400 rpm
C243024/0-2 - - 38.1 mm 68000 N 116000 N - 11400 rpm
K39X44X26-ZW - - 26 mm 27500 N 56000 N 7000 rpm 11800 rpm
K42X47X30-ZW - - 30 mm 33500 N 76000 N 6400 rpm 11000 rpm
K42X50X20 - - 20 mm 35000 N 57000 N 6000 rpm 10700 rpm
K50X55X17 - - 17 mm 22100 N 47000 N 5700 rpm 9300 rpm
K55X63X25 - - 25 mm 51000 N 101000 N 4700 rpm 8300 rpm
K58X65X36-ZW - - 36 mm 49000 N 107000 N 5100 rpm 8000 rpm
K60X66X33-ZW - - 33 mm 46000 N 112000 N 4800 rpm 7800 rpm
K60X66X40-ZW - - 40 mm 58000 N 151000 N 4650 rpm 7800 rpm
K60X68X23 - - 23 mm 49500 N 101000 N 4350 rpm 7700 rpm
K60X68X30-ZW - - 30 mm 44500 N 88000 N 4950 rpm 7700 rpm
K62X70X40-ZW - - 40 mm 66000 N 146000 N 4550 rpm 7400 rpm