Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF CRM 20 A
CRM 20 A
Aftermarket only
Dimensions
| d | 63.5 | mm | |
| D | 139.7 | mm | |
| B | 31.75 | mm | |
| d1 | ≈ | 91 | mm |
| E | 121.5 | mm | |
| r1,2 | min. | 3.2 | mm |
| r3,4 | min. | 3.2 | mm |
| s | max. | 2 | mm |
Abutment dimensions
| da | min. | 78 | mm |
| da | max. | 119 | mm |
| Da | min. | 123 | mm |
| Da | max. | 126 | mm |
| ra | max. | 3 | mm |
| rb | max. | 3 | mm |
Calculation data
| Basic dynamic load rating | C | 138 | kN | |
| Basic static load rating | C0 | 143 | kN | |
| Fatigue load limit | Pu | 18.3 | kN | |
| Reference speed | 4800 | r/min | ||
| Limiting speed | 6300 | r/min | ||
| Calculation factor | kr | 0 | ||
| Limiting value | e | 0.2 | ||
| Axial load factor | Y | 0.6 |
Mass
| Mass bearing | 2.15 | kg |