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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

PNA40/62-XL 40 mm 62 mm - 31000 N 53000 N - 10200 rpm
RPNA40/55-XL - 55 mm - 29500 N 47000 N - 11400 rpm
RPNA45/62-XL - 62 mm - 31000 N 53000 N - 10200 rpm
PNA22/44-XL 22 mm 44 mm - 24800 N 34000 N - 15800 rpm
RPNA28/44-XL - 44 mm - 24800 N 34000 N - 15800 rpm
NKIA5901-XL 12 mm 24 mm 16 mm 8600 N 8300 N 21000 rpm 23600 rpm
NKIB5901-XL 12 mm 24 mm 17.5 mm 8600 N 8300 N 21000 rpm 23600 rpm
NKIB5902-XL 15 mm 28 mm 20 mm 12000 N 13600 N 17000 rpm 21600 rpm
NKIA5903-XL 17 mm 30 mm 18 mm 12400 N 14600 N 15000 rpm 20600 rpm
NKIB5903-XL 17 mm 30 mm 20 mm 12400 N 14600 N 15000 rpm 20600 rpm
NKIA5904-XL 20 mm 37 mm 23 mm 23700 N 25500 N 14000 rpm 17200 rpm
NKIB5904-XL 20 mm 37 mm 25 mm 23700 N 25500 N 14000 rpm 17200 rpm
NKIA59/22-XL 22 mm 39 mm 23 mm 26000 N 29500 N 12000 rpm 16100 rpm
NKIA5905-XL 25 mm 42 mm 23 mm 26500 N 31500 N 12000 rpm 14600 rpm
NKIB5905-XL 25 mm 42 mm 25 mm 26500 N 31500 N 12000 rpm 14600 rpm
NKIA5906-XL 30 mm 47 mm 23 mm 28500 N 35500 N 10000 rpm 12700 rpm
NKIB5906-XL 30 mm 47 mm 25 mm 28500 N 35500 N 10000 rpm 12700 rpm
NKIA5907-XL 35 mm 55 mm 27 mm 35500 N 50000 N 9000 rpm 10900 rpm
NKIB5908-XL 40 mm 62 mm 34 mm 48500 N 67000 N 7500 rpm 9600 rpm
NKIA5910-XL 50 mm 72 mm 30 mm 53000 N 80000 N 6500 rpm 8000 rpm