| S/N start | S/N end | Variant |
| 21064 | 23058 | 633479 |
| 23059 | None | 885812 |
| 51 | 99999 | 633493 |
9835.1050.
Crank bearing for extension
56253628-56253636
750, 1000
`
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Parts on group Crank bearing for extension:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 4. | RM87980363 | [1] | Bearing housing | S/N 12934 - |
| 48. | RM58834383 | [2] | Ring | |
| 52. | RM58860115 | [6] | Hex. socket screw | |
| 55. | RM96722921 | [1] | Set screw | |
| 61. | RM13999131 | [6] | Lock washer | |
| 75. | RM58823790 | [1] | Lubricating nipple | |
| 4. | RM87902219 | [1] | Bearing housing | S/N 12319 - 12933 |
| 4. | RM13946405 | [1] | Bearing housing | S/N 51 - 12318 |
| 8. | RM58834938 | [1] | Bearing cap | |
| 9. | RM58834946 | [1] | Bearing cap | |
| 20. | RM58831801 | [1] | Spacer ring | |
| 23. | RM58849761 | [1] | Flange bushing | |
| 33. | RM13946538 | [1] | Washer | |
| 39. | RM58834276 | [1] | Ball bearing |