Slewing Unit Assembly
Single-row ball slewing bearing connecting arm to mast, free-slewing or driven by a geared motor on larger cranes. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour product / assembly shared across products atomic part related product
Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.
Bill of materials
5 top-level lines · 13 rows shown · 31 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Slewing Ring Bearing | jib-crane-slewing-bearing | 1× | 1 | — | part |
| 2 | Slew Drive Unit 4 parts | jib-crane-slew-drive | 1× | 1 | 27 | assembly |
| 2.1 | Servo Motor 4 parts | servo-motor | 1× | 1 | 24 | assembly |
| 2.1.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 2.1.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 2.1.3 | Encoder | encoder | 1× | 1 | — | part |
| 2.1.4 | Motor Housing | motor-housing | 1× | 1 | — | part |
| 2.2 | Helical Gear Pair | gear-pair | 1× | 1 | — | part |
| 2.3 | Slew Pinion | jib-crane-slew-pinion | 1× | 1 | — | part |
| 2.4 | Gearbox Housing | gearbox-housing | 1× | 1 | — | part |
| 3 | Slew Friction Brake | jib-crane-slew-brake | 1× | 1 | — | part |
| 4 | Rotation Limit Stop | jib-crane-rotation-stop | 1× | 1 | — | part |
| 5 | Fastener Set | fastener-set | 1× | 1 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $0.50–$200 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| bharatforge.com ↗ | Pune, IN | Forgings & metal parts | 500 pcs | 6–10 wks |
| dicastal.com ↗ | Qinhuangdao, CN | Aluminium castings & wheels | 500 pcs | 6–10 wks |
| tataautocomp.com ↗ | Pune, IN | Auto components | 500 pcs | 6–10 wks |
| 🇸🇬Beyonics beyonics.com ↗ | Singapore | Precision metal & mfg | 500 pcs | 6–10 wks |
| sundaram-clayton.com ↗ | Chennai, IN | Die castings | 500 pcs | 6–10 wks |