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 |
|---|---|---|---|---|---|---|---|
| K42X47X13 | - | - | 13 mm | 17800 N | 33500 N | 6400 rpm | 11000 rpm |
| K42X47X17 | - | - | 17 mm | 21700 N | 43000 N | 6400 rpm | 11000 rpm |
| K42X50X20 | - | - | 20 mm | 35000 N | 57000 N | 6000 rpm | 10700 rpm |
| K43X48X17 | - | - | 17 mm | 21600 N | 43000 N | 6300 rpm | 10800 rpm |
| K43X48X27 | - | - | 27 mm | 33500 N | 75000 N | 6200 rpm | 10800 rpm |
| K45X50X17 | - | - | 17 mm | 22500 N | 46000 N | 6100 rpm | 10300 rpm |
| K45X50X27 | - | - | 27 mm | 34500 N | 80000 N | 5900 rpm | 10300 rpm |
| K45X52X18 | - | - | 18 mm | 31500 N | 57000 N | 5700 rpm | 10100 rpm |
| K45X53X20 | - | - | 20 mm | 39000 N | 67000 N | 5500 rpm | 10000 rpm |
| K45X53X21 | - | - | 21 mm | 38500 N | 67000 N | 5600 rpm | 10000 rpm |
| K45X53X28 | - | - | 28 mm | 52000 N | 98000 N | 5400 rpm | 10000 rpm |
| K47X52X17 | - | - | 17 mm | 23300 N | 49000 N | 5800 rpm | 9900 rpm |
| K47X52X27 | - | - | 27 mm | 35000 N | 83000 N | 5700 rpm | 9900 rpm |
| K50X55X13,5 | - | - | 13.5 mm | 18200 N | 36500 N | 5700 rpm | 9300 rpm |
| K50X55X20 | - | - | 20 mm | 26500 N | 60000 N | 5500 rpm | 9300 rpm |
| K50X55X30 | - | - | 30 mm | 39000 N | 97000 N | 5400 rpm | 9300 rpm |
| K50X57X18 | - | - | 18 mm | 33500 N | 63000 N | 5200 rpm | 9200 rpm |
| K50X58X20 | - | - | 20 mm | 35500 N | 62000 N | 5400 rpm | 9100 rpm |
| K50X58X25 | - | - | 25 mm | 44000 N | 81000 N | 5300 rpm | 9100 rpm |
| K52X57X12 | - | - | 12 mm | 18000 N | 36500 N | 5400 rpm | 9000 rpm |