Needle roller bearing
Low vibration,long life
High quality,competitive price
Good polish and rotation
needle roller bearing without inner ring
Feature:
1. Diameter from 5mm-135mm, series contain: NK NKS RNA49 RNA69 RNA48.
2. The grinding operation shaft's hardness 58-64hrc, surface rouyhness less than Ra0.2.
3. We can accept nonstandard item as custome's sample or drawings
Bearing Designation | Approx Mass | Boundary | Basic Load Rating | Limiting speed | ||||
Current | Original | g | Fw | D | C | Cr Dynamic | Cr Static | rmp |
NK5/10TN |
| 2.9 | 5 | 10 | 10 | 2100 | 1400 | 36780 |
NK8/12TN |
| 8.3 | 8 | 15 | 12 | 3050 | 3650 | 29112 |
NK10/12TN | 4624097K | 10 | 10 | 17 | 12 | 4750 | 5350 | 23500 |
| 5624097 | 16.6 | 10 | 17 | 15 | 4860 | 7100 | 23500 |
NK12/12 | 644097 | 11.8 | 12 | 19 | 12 | 6050 | 6400 | 21640 |
NK12/16 |
| 16.8 | 12 | 19 | 16 | 8200 | 9800 | 21640 |
NK14/16 | 4624900K | 20.8 | 14 | 22 | 16 | 8260 | 9600 | 18322 |
NKS14 |
| 27 | 14 | 25 | 16 | 10400 | 10800 | 17652 |
RNA4900 | 4624900 | 24.4 | 14 | 22 | 13 | 8060 | 9000 | 18322 |
BNA6900 | 4624900 | 29.1 | 14 | 22 | 22 | 82881 | 11612 | 18322 |
NK15/12 |
| 18.5 | 15 | 23 | 12 | 8600 | 10070 | 21004 |
RNA122815 |
| 31.7 | 15 | 18 | 15 | 136000 | 17200 | 100231 |
| 644302 | 18.2 | 15 | 25 | 12 | 10600 | 13500 | 17144 |
NK16/16 |
| 20.8 | 16 | 24 | 16 | 9030 | 11900 | 15522 |
NK16/20 | 624701 | 23.8 | 16 | 24 | 20 | 10400 | 16800 | 15522 |
RNA4901 | 4624901 | 6.6 | 16 | 24 | 13 | 6400 | 8900 | 15522 |
RNA6901 | 4624901 | 28.7 | 16 | 24 | 22 | 14000 | 18600 | 15522 |
