Slewing Unit

Assembly

Aluminium melting crucible casting process.jpg · Commons ↗ Report photo

Turntable on a slew ring that rotates the upper works.

Direct parts	4
Total parts	196
Used in	1 assembly
Class	Assembly

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Turntable on a slew ring that rotates the upper works. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Slewing Unit parts and their functions

4 top-level parts · 196 parts in total · full bill of materials below

Slewing Unit parts diagram: 1 slewing bearing ring, 2 slew drive unit, 3 turntable platform, 4 fastener set. 196 parts in 4 top-level items. — Slewing Unit 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	Slewing Bearing Ring 4 parts	1×	Large bearing ring
2	Slew Drive Unit 7 parts	2×	Slew gear drives
3	Turntable Platform	1×	Rotating platform
4	Fastener Set	1×	Ring bolting

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Build & assembly graph

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Bill of materials for Slewing Unit

4 top-level lines · 18 rows shown · 196 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Slewing Bearing Ring 4 parts	luffing-jib-crane-slew-ring	1×	1	124	assembly
1.1	Slew Inner Race (Geared)	luffing-jib-crane-slew-inner-race	1×	1	·	part
1.2	Slew Outer Race	luffing-jib-crane-slew-outer-race	1×	1	·	part
1.3	Ball Bearing	ball-bearing	120×	120	·	part
1.4	Oil Seal	oil-seal	2×	2	·	part
2	Slew Drive Unit 7 parts	luffing-jib-crane-slew-drive	2×	2	35	assembly
2.1	Slew Drive Motor 3 parts	luffing-jib-crane-slew-motor	1×	2	24	assembly
2.1.1	Stator Assembly 3 parts + deeper ›	stator-assembly	1×	2	3	assembly
2.1.2	Rotor Assembly 4 parts + deeper ›	rotor-assembly	1×	2	19	assembly
2.1.3	Ball Bearing	ball-bearing	2×	4	·	part
2.2	Gearbox Housing	gearbox-housing	1×	2	·	part
2.3	Helical Gear Pair	gear-pair	2×	4	·	part
2.4	Slew Pinion	luffing-jib-crane-slew-pinion	1×	2	·	part
2.5	Slew Holding Brake	luffing-jib-crane-slew-brake	1×	2	·	part
2.6	Ball Bearing	ball-bearing	4×	8	·	part
2.7	Oil Seal	oil-seal	2×	4	·	part
3	Turntable Platform	luffing-jib-crane-turntable	1×	1	·	part
4	Fastener Set	fastener-set	1×	1	·	part

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Where the slewing unit is used

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

Construction & Earthmoving 1 Luffing Jib Tower Crane

Used in 1 assembly

Luffing Jib Tower 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–$200. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Bharat Forge bharatforge.com ↗	Pune, IN	Forgings & metal parts	500 pcs	6–10 wks
🇨🇳CITIC Dicastal dicastal.com ↗	Qinhuangdao, CN	Aluminium castings & wheels	500 pcs	6–10 wks
🇮🇳Tata AutoComp 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 sundaram-clayton.com ↗	Chennai, IN	Die castings	500 pcs	6–10 wks