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 |
|---|---|---|---|---|---|---|---|
| NK18/20-XL | - | 26 mm | - | 17900 N | 22000 N | 14100 rpm | 22100 rpm |
| NK19/16-XL | - | 27 mm | - | 14700 N | 17400 N | 13700 rpm | 21600 rpm |
| NA4904-2RSR-XL | 20 mm | 37 mm | 18 mm | 19500 N | 19900 N | - | - |
| NA4904-RSR-XL | 20 mm | 37 mm | 18 mm | 19500 N | 19900 N | - | - |
| NA4904-XL | 20 mm | 37 mm | 17 mm | 23700 N | 25500 N | 9400 rpm | 16900 rpm |
| NK20/16-XL | - | 28 mm | - | 14600 N | 17500 N | 13200 rpm | 21100 rpm |
| NK20/20-XL | - | 28 mm | - | 18600 N | 23800 N | 12900 rpm | 21100 rpm |
| NKI20/16-XL | 20 mm | 32 mm | 16 mm | 16900 N | 22300 N | 10100 rpm | 18500 rpm |
| NKI20/20-XL | 20 mm | 32 mm | 20 mm | 21400 N | 30500 N | 8600 rpm | 18500 rpm |
| NKIS20 | 20 mm | 42 mm | 20 mm | 28500 N | 36500 N | 7700 rpm | 15100 rpm |
| NKS20 | - | 32 mm | - | 23000 N | 25000 N | 11800 rpm | 20000 rpm |
| NKS20-XL | - | 32 mm | - | 26000 N | 25000 N | 11800 rpm | 20000 rpm |
| RNAO20X28X26 | - | 28 mm | - | 16800 N | 28500 N | 13700 rpm | 21300 rpm |
| RNAO20X28X26-ZW-ASR1-XL | - | 28 mm | - | 19000 N | 28500 N | 13700 rpm | 21300 rpm |
| NK21/16-XL | - | 29 mm | - | 15200 N | 18700 N | 12600 rpm | 20600 rpm |
| NK21/20-XL | - | 29 mm | - | 19300 N | 25500 N | 12300 rpm | 20600 rpm |
| NK22/16-XL | - | 30 mm | - | 15800 N | 19900 N | 12000 rpm | 20000 rpm |
| NK22/20-XL | - | 30 mm | - | 20000 N | 27000 N | 11700 rpm | 20000 rpm |
| NKI22/16-XL | 22 mm | 34 mm | 16 mm | 17300 N | 23600 N | 9500 rpm | 17200 rpm |
| NKI22/20-XL | 22 mm | 34 mm | 20 mm | 22000 N | 32000 N | 9300 rpm | 17200 rpm |