SKF QJ 1068 N2MA 特大型SKF进口轴承四点角接触轴承

QJ 1068 N2MA
Dimensions

|
| d | | 340 | mm |
| D | | 520 | mm |
| B | | 82 | mm |
| d1 | ≈ | 403 | mm |
| D1 | ≈ | 457 | mm |
| a | | 301 | mm |
| h | | 12.5 | mm |
| b | | 15 | mm |
| r0 | | 2.5 | mm |
| r1,2 | min. | 5 | mm |
Abutment
dimensions

|
| da | min. | 362 | mm |
| Da | max. | 498 | mm |
| ra | max. | 4 | mm |
Calculation
data
| Basic dynamic load rating | C | | 780 | kN |
| Basic static load rating | C0 | | 1700 | kN |
| Fatigue load limit | Pu | | 35.5 | kN |
| Reference speed | | | 1100 | r/min |
| Limiting speed | | | 1800 | r/min |
| Calculation factor | ka | | 0.8 | |
| Calculation factor | e | | 0.95 | |
| Calculation factor | X | | 0.6 | |
| Calculation factor | Y0 | | 0.58 | |
| Calculation factor | Y1 | | 0.66 | |
| Calculation factor | Y2 | | 1.07 | |
Mass
