KOYO 28118/28317 tapered roller bearings
Browse KOYO 28118/28317 tapered roller bearings Categories 55x30x13 Size (mm) in the 55 Bore Diameter (mm) Manufacturers Online Free. 30 Outer Diameter (mm) including .
| Size (mm) | 55x30x13 |
| Bore Diameter (mm) | 55 |
| Outer Diameter (mm) | 30 |
| Width (mm) | 13 |
| d | 30 mm |
| D | 55 mm |
| B | 13 mm |
| d1 | 38.2 mm |
| D2 | 49 mm |
| r1,2 – min. | 1 mm |
| da – min. | 34.6 mm |
| da – max. | 38.1 mm |
| Da – max. | 50.4 mm |
| ra – max. | 1 mm |
| Basic dynamic load rating – C | 12.7 kN |
| Basic static load rating – C0 | 7.4 kN |
| Fatigue load limit – Pu | 0.31 kN |
| Reference speed | 30000 r/min |
| Limiting speed | 15000 r/min |
| Calculation factor – kr | 0.025 |
| Calculation factor – f0 | 15 |
Detailed Parameters
parameter：
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