BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Slewing Assembly

Assembly

Large-diameter slew ring between base and tower; the whole tower rotates, unlike a top-slewing crane. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Slewing Assembly parts and their functions

5 top-level parts · 6 parts in total · full bill of materials below
Slewing Assembly parts diagram: 1 slew ring, 2 slew gearmotor, 3 slew frequency drive, 4 encoder, 5 ball bearing. 6 parts in 5 top-level items.
Slewing Assembly parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Slew Ring 1× Geared slewing bearing
2 Slew Gearmotor 1× Slew drive with brake
3 Slew Frequency Drive 1× Frequency-drive soft control
4 Encoder 1× Slew angle feedback
5 Ball Bearing 2× Pinion shaft bearings

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

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 for Slewing Assembly

5 top-level lines · 5 rows shown · 6 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Slew Ring self-erecting-tower-crane-slew-ring 1× 1 · part
2 Slew Gearmotor self-erecting-tower-crane-slew-gearmotor 1× 1 · part
3 Slew Frequency Drive self-erecting-tower-crane-slew-vfd 1× 1 · part
4 Encoder encoder 1× 1 · part
5 Ball Bearing ball-bearing 2× 2 · part

Something wrong in this list? Report a problem with this BOM.

Where the slewing assembly is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$200. How estimates work
VendorHQSpecialtyMOQLead time
🇮🇳Bharat Forge
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