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 |
|---|---|---|---|---|---|---|---|
| RNAO25X37X16-XL | - | 37 mm | - | 23500 N | 27500 N | 10000 rpm | 17200 rpm |
| NK26/16-XL | - | 34 mm | - | 17300 N | 23600 N | 10300 rpm | 17200 rpm |
| NK26/20-XL | - | 34 mm | - | 22000 N | 32000 N | 10100 rpm | 17200 rpm |
| NK28/20-XL | - | 37 mm | - | 24800 N | 34000 N | 9300 rpm | 15800 rpm |
| NK28/30-XL | - | 37 mm | - | 37000 N | 57000 N | 9000 rpm | 15800 rpm |
| NKI28/20-TV-XL | 28 mm | 42 mm | 20 mm | 29500 N | 44500 N | 7500 rpm | 14000 rpm |
| NKI28/30-XL | 28 mm | 42 mm | 30 mm | 39000 N | 63000 N | 7600 rpm | 14000 rpm |
| NKS28-XL | - | 42 mm | - | 32500 N | 36500 N | 8900 rpm | 15100 rpm |
| NK29/20-TV-XL | - | 38 mm | - | 27500 N | 39000 N | 8700 rpm | 15300 rpm |
| NK29/30-XL | - | 38 mm | - | 37000 N | 57000 N | 8800 rpm | 15300 rpm |
| NA4906-RSR-XL | 30 mm | 47 mm | 18 mm | 23900 N | 28500 N | - | - |
| NA4906-XL | 30 mm | 47 mm | 17 mm | 28500 N | 35500 N | 6600 rpm | 12600 rpm |
| NA6906-XL | 30 mm | 47 mm | 30 mm | 49000 N | 71000 N | 6300 rpm | 12600 rpm |
| NK30/20-TV-XL | - | 40 mm | - | 28000 N | 41000 N | 8500 rpm | 14800 rpm |
| NKI30/20-TV-XL | 30 mm | 45 mm | 20 mm | 31000 N | 48500 N | 6800 rpm | 12900 rpm |
| NKI30/30-TV-XL | 30 mm | 45 mm | 30 mm | 46000 N | 81000 N | 6600 rpm | 12900 rpm |
| NKIS30 | 30 mm | 52 mm | 22 mm | 36500 N | 50000 N | 6400 rpm | 11700 rpm |
| NKS30-XL | - | 45 mm | - | 36500 N | 40000 N | 8500 rpm | 14000 rpm |
| NA49/32-XL | 32 mm | 52 mm | 20 mm | 34500 N | 47500 N | 6000 rpm | 11100 rpm |
| NA69/32-ZW-XL | 32 mm | 52 mm | 36 mm | 53000 N | 82000 N | 6100 rpm | 11100 rpm |