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 |
|---|---|---|---|---|---|---|---|
| NA4912-XL | 60 mm | 85 mm | 25 mm | 68000 N | 108000 N | 3700 rpm | 6700 rpm |
| NA6912-ZW-XL | 60 mm | 85 mm | 45 mm | 106000 N | 191000 N | 3700 rpm | 6700 rpm |
| NK60/25-TV-XL | - | 72 mm | - | 53000 N | 103000 N | 4600 rpm | 7700 rpm |
| NK60/35-XL | - | 72 mm | - | 63000 N | 130000 N | 4800 rpm | 7700 rpm |
| NKI60/25-XL | 60 mm | 82 mm | 25 mm | 49500 N | 89000 N | 4200 rpm | 6800 rpm |
| NKI60/35-XL | 60 mm | 82 mm | 35 mm | 70000 N | 139000 N | 4050 rpm | 6800 rpm |
| NKS60-XL | - | 80 mm | - | 71000 N | 98000 N | 4750 rpm | 7400 rpm |
| RNAO60X78X20-XL | - | 78 mm | - | 49500 N | 85000 N | 4650 rpm | 7700 rpm |
| NA4913-XL | 65 mm | 90 mm | 25 mm | 69000 N | 112000 N | 3500 rpm | 6300 rpm |
| NA6913-ZW-XL | 65 mm | 90 mm | 45 mm | 108000 N | 198000 N | 3550 rpm | 6300 rpm |
| NK65/25-XL | - | 78 mm | - | 50000 N | 98000 N | 4500 rpm | 7200 rpm |
| NK65/35-XL | - | 78 mm | - | 66000 N | 142000 N | 4450 rpm | 7200 rpm |
| NKI65/25-XL | 65 mm | 90 mm | 25 mm | 60000 N | 100000 N | 3900 rpm | 6300 rpm |
| NKI65/35-XL | 65 mm | 90 mm | 35 mm | 85000 N | 156000 N | 3750 rpm | 6300 rpm |
| NKS65-XL | - | 85 mm | - | 75000 N | 108000 N | 4400 rpm | 6900 rpm |
| NK68/25-XL | - | 82 mm | - | 49500 N | 89000 N | 4500 rpm | 6800 rpm |
| NK68/35-XL | - | 82 mm | - | 70000 N | 139000 N | 4350 rpm | 6800 rpm |
| NA4914-XL | 70 mm | 100 mm | 30 mm | 95000 N | 156000 N | 3250 rpm | 5700 rpm |
| NA6914-ZW-XL | 70 mm | 100 mm | 54 mm | 145000 N | 265000 N | 3300 rpm | 5700 rpm |
| NK70/25-XL | - | 85 mm | - | 50000 N | 92000 N | 4450 rpm | 6600 rpm |