Main Bearing
AssemblyThree-row roller slewing bearing carrying the cutterhead. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Main Bearing
3 top-level lines as of r177888| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Bearing Race | tbm-bearing-race | 2× | 2 | · | part |
| 2 | Roller Element | tbm-bearing-roller | 120× | 120 | · | part |
| 3 | Slew Ring Gear | tbm-bearing-gear | 1× | 1 | · | part |