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 |
|---|---|---|---|---|---|---|---|
| NK15/16-XL | - | 23 mm | - | 12100 N | 12700 N | 17300 rpm | 23900 rpm |
| NK15/20-XL | - | 23 mm | - | 15400 N | 17200 N | 17000 rpm | 23900 rpm |
| NKI15/16-XL | 15 mm | 27 mm | 16 mm | 14700 N | 17400 N | 12400 rpm | 21600 rpm |
| NKI15/20-XL | 15 mm | 27 mm | 20 mm | 18700 N | 23600 N | 12100 rpm | 21600 rpm |
| NK16/16-XL | - | 24 mm | - | 12800 N | 13900 N | 16200 rpm | 23200 rpm |
| NK16/20-XL | - | 24 mm | - | 16300 N | 18800 N | 15900 rpm | 23200 rpm |
| RNA4901-RSR-XL | - | 24 mm | - | 8600 N | 8300 N | - | 13900 rpm |
| RNAO16X28X12 | - | 28 mm | - | 11500 N | 12500 N | 15900 rpm | 22900 rpm |
| RNAO16X28X12-XL | - | 28 mm | - | 13000 N | 12500 N | 15900 rpm | 22900 rpm |
| NA4903-2RSR-XL | 17 mm | 30 mm | 14 mm | 10000 N | 11000 N | - | - |
| NA4903-RSR-XL | 17 mm | 30 mm | 14 mm | 10000 N | 11000 N | - | - |
| NA6903-XL | 17 mm | 30 mm | 23 mm | 21100 N | 29000 N | 9800 rpm | 20000 rpm |
| NAO17X30X13-XL | 17 mm | 30 mm | 13 mm | 11800 N | 15900 N | 11100 rpm | 20400 rpm |
| NK17/16-XL | - | 25 mm | - | 13500 N | 15000 N | 15300 rpm | 22600 rpm |
| NK17/20-XL | - | 25 mm | - | 17100 N | 20400 N | 15000 rpm | 22600 rpm |
| NKI17/16-XL | 17 mm | 29 mm | 16 mm | 15200 N | 18700 N | 11400 rpm | 20600 rpm |
| NKIS17 | 17 mm | 37 mm | 20 mm | 26000 N | 31000 N | 8800 rpm | 17200 rpm |
| RNAO17X25X13 | - | 25 mm | - | 10400 N | 14600 N | 15200 rpm | 22900 rpm |
| RNAO17X25X13-XL | - | 25 mm | - | 11700 N | 14600 N | 15200 rpm | 22900 rpm |
| NK18/16-XL | - | 26 mm | - | 14100 N | 16200 N | 14400 rpm | 22100 rpm |