NKS55 INA Needle Roller Bearings
 |  |  | |
| Bearing number | NKS55 | NKS55 | NKS55 |
| Size (mm) | 55x72x22(mm) | 55x72x22(mm) | 55x72x22(mm) |
| Brand | Timken | ZEN | NTN |
| Bore Diameter (mm) | 55(mm) | 55(mm) | 55,000(mm) |
| Outer Diameter (mm) | 72(mm) | 72(mm) | 72,000(mm) |
| Width (mm) | 22(mm) | 22(mm) | 22,000(mm) |
| d | 55 mm 2.1654 in | 55 mm 2.1654 in | |
| D | 72 mm 2.8346 in | 72 mm 2.8346 in | 72,000 mm 2.8346 in |
| C | 22 mm 0.8661 in | 22 mm 0.8661 in | 22,000 mm 0.8661 in |
| r | 1 mm 0.0394 in | ||
| Weight | 0,225 Kg | 0,221 Kg | |
| Basic dynamic load rating (C) | 47,9 kN | 42,5 kN | |
| Basic static load rating (C0) | 78,4 kN | 72 kN | |
| (Grease) Lubrication Speed | 7900 r/min | 5000 r/min |
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