Slewing Gear Bearing

Assembly

Deep Groove Ball Bearing.jpg · Commons ↗ Report photo

Large-diameter turntable bearing with integral spur or ring gear allowing boom rotation 180–360 degrees.

Direct parts	5
Total parts	44
Used in	1 assembly
Class	Assembly

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Large-diameter turntable bearing with integral spur or ring gear allowing boom rotation 180–360 degrees. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Slewing Gear Bearing parts and their functions

5 top-level parts · 44 parts in total · full bill of materials below

Slewing Gear Bearing parts diagram: 1 slew bearing ring, 2 ball bearing, 3 slew drive motor, 4 slew pinion, 5 fastener set. 44 parts in 5 top-level items. — Slewing Gear Bearing parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Slew Bearing Ring	1×	Ductile iron slew ring 800–1200 mm pitch diameter with integral teeth
2	Ball Bearing	40×	Cylindrical roller bearing elements in radial and axial slots
3	Slew Drive Motor	1×	Hydraulic or electric slew drive motor 2–5 kW
4	Slew Pinion	1×	Hardened steel pinion meshing with slew ring teeth
5	Fastener Set	1×	M8–M12 bolts for bearing retention to base frame

3D model

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Build & assembly graph

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Bill of materials for Slewing Gear Bearing

5 top-level lines · 5 rows shown · 44 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Slew Bearing Ring	boat-davit-crane-slew-ring	1×	1	·	part
2	Ball Bearing	ball-bearing	40×	40	·	part
3	Slew Drive Motor	boat-davit-crane-slew-motor	1×	1	·	part
4	Slew Pinion	boat-davit-crane-slew-pinion	1×	1	·	part
5	Fastener Set	fastener-set	1×	1	·	part

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Where the slewing gear bearing is used

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

Marine 1 Boat Davit Crane

Used in 1 assembly

Boat Davit Crane

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–$80. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳ZWZ Bearing zwz.com.cn ↗	Wafangdian, CN	Bearings	2,000 pcs	6–10 wks
🇮🇳NBC Bearings nbcbearings.com ↗	Jaipur, IN	Bearings (NEI)	2,000 pcs	6–10 wks
🇨🇳HRB Bearing hrbbearing.com ↗	Harbin, CN	Bearings	2,000 pcs	6–10 wks
🇮🇳NRB Bearings nrbbearings.com ↗	Mumbai, IN	Needle & auto bearings	2,000 pcs	6–10 wks
🇨🇳LYC Bearing lyc.com.cn ↗	Luoyang, CN	Bearings	2,000 pcs	6–10 wks