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 |
|---|---|---|---|---|---|---|---|
| NK32/30-XL | - | 42 mm | - | 39000 N | 63000 N | 8200 rpm | 14000 rpm |
| NKI32/20-XL | 32 mm | 47 mm | 20 mm | 28000 N | 43500 N | 6900 rpm | 12300 rpm |
| NKI32/30-XL | 32 mm | 47 mm | 30 mm | 42000 N | 73000 N | 6600 rpm | 12300 rpm |
| NKS32-XL | - | 47 mm | - | 38000 N | 43500 N | 8000 rpm | 13200 rpm |
| NA4907-2RSR-XL | 35 mm | 55 mm | 21 mm | 29500 N | 39500 N | - | - |
| NA4907-XL | 35 mm | 55 mm | 20 mm | 35500 N | 50000 N | 5800 rpm | 10700 rpm |
| NA6907-ZW-XL | 35 mm | 55 mm | 36 mm | 54000 N | 86000 N | 5900 rpm | 10700 rpm |
| NAO35X55X20-XL | 35 mm | 55 mm | 20 mm | 37000 N | 57000 N | 6200 rpm | 11300 rpm |
| NK35/30-TV-XL | - | 45 mm | - | 46000 N | 81000 N | 7100 rpm | 12900 rpm |
| NKI35/30-XL | 35 mm | 50 mm | 30 mm | 44000 N | 79000 N | 6200 rpm | 11400 rpm |
| NKS35-XL | - | 50 mm | - | 39500 N | 47000 N | 7400 rpm | 12300 rpm |
| NK37/20-XL | - | 47 mm | - | 28000 N | 43500 N | 7400 rpm | 12300 rpm |
| NK37/30-XL | - | 47 mm | - | 42000 N | 73000 N | 7200 rpm | 12300 rpm |
| NKS37 | - | 52 mm | - | 36500 N | 50000 N | 7100 rpm | 11700 rpm |
| NKS37-XL | - | 52 mm | - | 41500 N | 50000 N | 7100 rpm | 11700 rpm |
| NK38/20-XL | - | 48 mm | - | 29000 N | 45000 N | 7200 rpm | 12000 rpm |
| NK38/30-XL | - | 48 mm | - | 43000 N | 76000 N | 7000 rpm | 12000 rpm |
| NKI38/20-XL | 38 mm | 53 mm | 20 mm | 30500 N | 51000 N | 6000 rpm | 10700 rpm |
| NKI38/30-XL | 38 mm | 53 mm | 30 mm | 45500 N | 85000 N | 5900 rpm | 10700 rpm |
| NA4908-2RSR-XL | 40 mm | 62 mm | 23 mm | 41000 N | 53000 N | - | - |