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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 |
|---|---|---|---|---|---|---|---|
| RNA4903 | - | 30 mm | - | 11.4 N | 16.3 N | 18000 rpm | 20000 rpm |
| NK22/16 | - | 30 mm | - | 14.2 N | 21.6 N | 18000 rpm | 20000 rpm |
| NK22/20 | - | 30 mm | - | 17.9 N | 29 N | 18000 rpm | 20000 rpm |
| RNA6903 | - | 30 mm | - | 18.7 N | 30.5 N | 18000 rpm | 20000 rpm |
| NK24/16 | - | 32 mm | - | 15.4 N | 24.5 N | 16000 rpm | 19000 rpm |
| NK24/20 | - | 32 mm | - | 19 N | 32.5 N | 16000 rpm | 19000 rpm |
| NKS24 | - | 37 mm | - | 26 N | 33.5 N | 15000 rpm | 17000 rpm |
| NK25/16 | - | 33 mm | - | 15.1 N | 24.5 N | 16000 rpm | 18000 rpm |
| NK25/20 | - | 33 mm | - | 19 N | 32.5 N | 16000 rpm | 18000 rpm |
| RNA4904.2RS | - | 37 mm | - | 19.4 N | 22.4 N | - | 7500 rpm |
| RNA4904 | - | 37 mm | - | 21.6 N | 28 N | 15000 rpm | 17000 rpm |
| RNA6904 | - | 37 mm | - | 35.2 N | 53 N | 15000 rpm | 17000 rpm |
| NKS25 | - | 38 mm | - | 27.5 N | 36 N | 15000 rpm | 17000 rpm |
| NK26/16 | - | 34 mm | - | 15.7 N | 26 N | 15000 rpm | 17000 rpm |
| NK26/20 | - | 34 mm | - | 19.4 N | 34.5 N | 15000 rpm | 17000 rpm |
| NK28/20 | - | 37 mm | - | 22 N | 36.5 N | 14000 rpm | 16000 rpm |
| NK28/30 | - | 37 mm | - | 31.9 N | 60 N | 14000 rpm | 16000 rpm |
| RNA49/22 | - | 39 mm | - | 23.3 N | 32 N | 14000 rpm | 15000 rpm |
| RNA69/22 | - | 39 mm | - | 36.9 N | 57 N | 14000 rpm | 15000 rpm |
| NKS28 | - | 42 mm | - | 28.6 N | 39 N | 13000 rpm | 15000 rpm |
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