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Needle roller bearings are roller bearings with cylindrical rollers that are thin and long relative to their diameter. Such rollers are called needle rollers. Despite having a smaller section, the bearing still has a high load carrying capacity. The needl··
Part Number |
d - Bore |
D - Outer Diameter |
B - Width |
Cr - Dynamic Radial Rating |
Cor - Static Radial Rating |
Reference speed |
Limiting speed |
|---|---|---|---|---|---|---|---|
| RNA4844 | - | 270 mm | - | 238 N | 815 N | 1700 rpm | 1900 rpm |
| RNA4848 | - | 300 mm | - | 347 N | 1120 N | 1500 rpm | 1700 rpm |
| RNA4852 | - | 320 mm | - | 358 N | 1200 N | 1400 rpm | 1500 rpm |
| RNA4856 | - | 350 mm | - | 429 N | 1320 N | 1300 rpm | 1400 rpm |
| RNA4860 | - | 380 mm | - | 594 N | 1800 N | 1100 rpm | 1300 rpm |
| NKI5/12TN | 5 mm | 12 mm | 15 mm | 3.8 N | 4.25 N | 32000 rpm | 36000 rpm |
| NKI5/16TN | 5 mm | 16 mm | 15 mm | 5.01 N | 5.85 N | 32000 rpm | 36000 rpm |
| NKI6/12TN | 6 mm | 12 mm | 16 mm | 4.4 N | 5.2 N | 30000 rpm | 34000 rpm |
| NKI6/16TN | 6 mm | 16 mm | 16 mm | 5.72 N | 7.2 N | 30000 rpm | 34000 rpm |
| NKI7/12TN | 7 mm | 12 mm | 17 mm | 4.57 N | 5.7 N | 28000 rpm | 32000 rpm |
| NKI7/16TN | 7 mm | 16 mm | 17 mm | 5.94 N | 8 N | 28000 rpm | 32000 rpm |
| NKI9/12 | 9 mm | 12 mm | 19 mm | 6.71 N | 8.15 N | 26000 rpm | 30000 rpm |
| NKI9/16 | 9 mm | 16 mm | 19 mm | 9.13 N | 12 N | 26000 rpm | 30000 rpm |
| NA4900 | 10 mm | 13 mm | 22 mm | 8.8 N | 10.4 N | 24000 rpm | 28000 rpm |
| NA4900.2RS | 10 mm | 14 mm | 22 mm | 7.37 N | 8.15 N | - | 12000 rpm |
| NKI10/16 | 10 mm | 16 mm | 22 mm | 10.2 N | 12.5 N | 24000 rpm | 28000 rpm |
| NKI10/20 | 10 mm | 20 mm | 22 mm | 12.8 N | 16.6 N | 24000 rpm | 28000 rpm |
| NA4901 | 12 mm | 13 mm | 24 mm | 9.9 N | 12.2 N | 22000 rpm | 26000 rpm |
| NA4901.2RS | 12 mm | 14 mm | 24 mm | 8.09 N | 9.65 N | - | 11000 rpm |
| NKI12/16 | 12 mm | 16 mm | 24 mm | 11.7 N | 15.3 N | 22000 rpm | 26000 rpm |
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