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 |
|---|---|---|---|---|---|---|---|
| NA4908-RSR-XL | 40 mm | 62 mm | 23 mm | 41000 N | 53000 N | - | - |
| NA4908-XL | 40 mm | 62 mm | 22 mm | 48500 N | 67000 N | 5000 rpm | 9200 rpm |
| NA6908-ZW-XL | 40 mm | 62 mm | 40 mm | 74000 N | 116000 N | 5100 rpm | 9200 rpm |
| NKI40/20-TV-XL | 40 mm | 55 mm | 20 mm | 35000 N | 62000 N | 5600 rpm | 10200 rpm |
| NKI40/30-TV-XL | 40 mm | 55 mm | 30 mm | 52000 N | 103000 N | 5400 rpm | 10200 rpm |
| NKIS40 | 40 mm | 65 mm | 22 mm | 42500 N | 67000 N | 4850 rpm | 8900 rpm |
| NKS40 | - | 55 mm | - | 38000 N | 54000 N | 6600 rpm | 10900 rpm |
| RNAO40X50X17 | - | 50 mm | - | 21400 N | 41500 N | 7000 rpm | 11500 rpm |
| RNAO40X50X17-XL | - | 50 mm | - | 24200 N | 41500 N | 7000 rpm | 11500 rpm |
| NK42/20-XL | - | 52 mm | - | 30000 N | 49000 N | 6600 rpm | 10900 rpm |
| NK42/30-XL | - | 52 mm | - | 44500 N | 82000 N | 6400 rpm | 10900 rpm |
| NKI42/20-XL | 42 mm | 57 mm | 20 mm | 32500 N | 56000 N | 5600 rpm | 9800 rpm |
| NKI42/30-XL | 42 mm | 57 mm | 30 mm | 48500 N | 94000 N | 5400 rpm | 9800 rpm |
| NK43/20-XL | - | 53 mm | - | 30500 N | 51000 N | 6500 rpm | 10700 rpm |
| NK43/30-XL | - | 53 mm | - | 45500 N | 85000 N | 6300 rpm | 10700 rpm |
| NKS43-XL | - | 58 mm | - | 44000 N | 57000 N | 6200 rpm | 10200 rpm |
| NA4909-2RSR-XL | 45 mm | 68 mm | 23 mm | 43000 N | 59000 N | - | - |
| NA6909-ZW-XL | 45 mm | 68 mm | 40 mm | 79000 N | 127000 N | 4750 rpm | 8600 rpm |
| NK45/30-TV-XL | - | 55 mm | - | 52000 N | 103000 N | 5700 rpm | 10200 rpm |
| NKS45 | - | 60 mm | - | 40500 N | 60000 N | 6000 rpm | 9800 rpm |