SKF QJ 220 N2MA 四点角接触轴承 SKF精密机械轴承

QJ 220 N2MASKF Explorer
Dimensions

|
| d | | 100 | mm |
| D | | 180 | mm |
| B | | 34 | mm |
| d1 | ≈ | 127 | mm |
| D1 | ≈ | 153 | mm |
| a | | 98 | mm |
| h | | 10.1 | mm |
| b | | 8.5 | mm |
| r0 | | 2 | mm |
| r1,2 | min. | 2.1 | mm |
Abutment
dimensions

|
| da | min. | 112 | mm |
| Da | max. | 168 | mm |
| ra | max. | 2 | mm |
Calculation
data
| Basic dynamic load rating | C | | 236 | kN |
| Basic static load rating | C0 | | 265 | kN |
| Fatigue load limit | Pu | | 9.5 | kN |
| Reference speed | | | 4500 | r/min |
| Limiting speed | | | 6300 | r/min |
| Calculation factor | ka | | 1 | |
| 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
