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 |
|---|---|---|---|---|---|---|---|
| K55X60X20 | - | - | 20 mm | 28500 N | 66000 N | 5100 rpm | 8500 rpm |
| K55X60X27 | - | - | 27 mm | 38000 N | 97000 N | 4950 rpm | 8500 rpm |
| K55X60X30 | - | - | 30 mm | 41000 N | 108000 N | 4950 rpm | 8500 rpm |
| K55X62X18 | - | - | 18 mm | 35500 N | 70000 N | 4750 rpm | 8400 rpm |
| K55X63X20 | - | - | 20 mm | 40000 N | 74000 N | 4800 rpm | 8300 rpm |
| K55X63X32 | - | - | 32 mm | 62000 N | 130000 N | 4650 rpm | 8300 rpm |
| K58X65X18 | - | - | 18 mm | 35000 N | 70000 N | 4650 rpm | 8000 rpm |
| K60X65X20 | - | - | 20 mm | 29500 N | 72000 N | 4750 rpm | 7800 rpm |
| K60X65X30 | - | - | 30 mm | 42500 N | 116000 N | 4650 rpm | 7800 rpm |
| K60X68X20 | - | - | 20 mm | 43500 N | 85000 N | 4400 rpm | 7700 rpm |
| K60X68X25 | - | - | 25 mm | 53000 N | 111000 N | 4350 rpm | 7700 rpm |
| K65X70X20 | - | - | 20 mm | 30500 N | 77000 N | 4450 rpm | 7300 rpm |
| K65X70X30 | - | - | 30 mm | 44000 N | 124000 N | 4350 rpm | 7300 rpm |
| K65X73X23 | - | - | 23 mm | 46000 N | 94000 N | 4300 rpm | 7100 rpm |
| K65X73X30 | - | - | 30 mm | 57000 N | 123000 N | 4300 rpm | 7100 rpm |
| K68X74X20 | - | - | 20 mm | 35500 N | 84000 N | 4200 rpm | 6900 rpm |
| K68X74X30 | - | - | 30 mm | 46500 N | 118000 N | 4300 rpm | 6900 rpm |
| K68X74X35-ZW | - | - | 35 mm | 48500 N | 125000 N | 4450 rpm | 6900 rpm |
| K70X76X30 | - | - | 30 mm | 52000 N | 139000 N | 4000 rpm | 6700 rpm |
| K70X78X30 | - | - | 30 mm | 60000 N | 135000 N | 4000 rpm | 6600 rpm |