Needle Roller Bearing
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
Parameters:
| Bearing Designation | Approx Mass | Boundary | Basic Load Rating | Limiting speed | |||
| Models | 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 | 10 | 10 | 17 | 12 | 4750 | 5350 | 23500 |
| NK12/12 | 11.8 | 12 | 19 | 12 | 6050 | 6400 | 21640 |
| NK12/16 | 16.8 | 12 | 19 | 16 | 8200 | 9800 | 21640 |
| NK14/16 | 20.8 | 14 | 22 | 16 | 8260 | 9600 | 18322 |
| NKS14 | 27 | 14 | 25 | 16 | 10400 | 10800 | 17652 |
| RNA4900 | 24.4 | 14 | 22 | 13 | 8060 | 9000 | 18322 |
| BNA6900 | 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 |
| NK16/16 | 20.8 | 16 | 24 | 16 | 9030 | 11900 | 15522 |
| NK16/20 | 23.8 | 16 | 24 | 20 | 10400 | 16800 | 15522 |
| RNA4901 | 6.6 | 16 | 24 | 13 | 6400 | 8900 | 15522 |
| RNA6901 | 28.7 | 16 | 24 | 22 | 14000 | 18600 | 15522 |
| NKS16 | 30 | 16 | 28 | 16 | 14900 | 15000 | 20000 |
| NK17/16 | 21.5 | 17 | 25 | 16 | 9000 | 13500 | 14163 |
| NK18/20 | 30.5 | 18 | 26 | 20 | 10500 | 13800 | 13628 |
| NK20/16 | 25.7 | 20 | 28 | 16 | 11500 | 13400 | 12716 |
| NK20/20 | 29.3 | 20 | 28 | 20 | 12400 | 21800 | 12716 |
| NK202616 | 20.8 | 20 | 26 | 16 | 9600 | 10800 | 9125 |
| NK202620 | 17.2 | 20 | 26 | 20 | 10500 | 11900 | 9125 |
| NKS20 | 46.8 | 20 | 32 | 20 | 20000 | 22000 | 18000 |
| RNA4902 | 20.5 | 20 | 28 | 13 | 8500 | 12800 | 12716 |
| RNA6902 | 35.4 | 20 | 28 | 23 | 13000 | 25000 | 12716 |
| NK22/16 | 29.2 | 22 | 28 | 16 | 3500 | 18000 | 11527 |
| NKS22 | 60.2 | 22 | 30 | 20 | 21500 | 25000 | 17000 |
Packing:
1.Standard Packing for Exporting:
Product Packing: Polybag+Box/Polybox or Wooden Box;
Outer Packing: Carton/Wooden Box + Pallet
2.Bulk order
3. Buyers' requirement :
use buyers' packing design
Send Inquiry to This Supplier
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