Reduction Gearbox

Assembly

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Oil-filled worm-gear reduction of roughly 70:1 that converts motor speed into chain-pulling torque and self-locks against back-driving.

Direct parts	6
Total parts	9
Used in	1 assembly
Class	Assembly

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Oil-filled worm-gear reduction of roughly 70:1 that converts motor speed into chain-pulling torque and self-locks against back-driving. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Reduction Gearbox parts and their functions

6 top-level parts · 9 parts in total · full bill of materials below

Reduction Gearbox parts diagram: 1 gearbox housing, 2 bronze worm wheel, 3 helical gear pair, 4 ball bearing, 5 oil seal, 6 gear oil fill. 9 parts in 6 top-level items. — Reduction Gearbox 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	Gearbox Housing	1×	Below-deck aluminium casting
2	Bronze Worm Wheel	1×	Aluminium-bronze wheel meshing with the motor worm; the sliding contact provides the self-locking reduction.
3	Helical Gear Pair	1×	Secondary spur reduction
4	Ball Bearing	3×	Deep-groove radial ball bearing.
5	Oil Seal	2×	Spring-loaded rotary lip seal that keeps lubricant inside a housing and dirt out where a shaft passes through, sized to DIN 3760.
6	Gear Oil Fill	1×	EP90 gear oil charge, typically 0.3 L, that lubricates the worm mesh and bearings.

3D model

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Build & assembly graph

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Bill of materials for Reduction Gearbox

6 top-level lines · 6 rows shown · 9 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Gearbox Housing	gearbox-housing	1×	1	·	part
2	Bronze Worm Wheel	anchor-windlass-worm-wheel	1×	1	·	part
3	Helical Gear Pair	gear-pair	1×	1	·	part
4	Ball Bearing	ball-bearing	3×	3	·	part
5	Oil Seal	oil-seal	2×	2	·	part
6	Gear Oil Fill	anchor-windlass-gear-oil	1×	1	·	part

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Where the reduction gearbox is used

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

Marine 1 Anchor Windlass

Used in 1 assembly

Anchor Windlass

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 $1–$300. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Sona Comstar sonacomstar.com ↗	Gurugram, IN	EV driveline & motors	1,000 pcs	8–12 wks
🇨🇳Zhejiang Shuanghuan shdrive.cn ↗	Yuhuan, CN	Gears & driveline	1,000 pcs	8–12 wks
🇮🇳Bharat Gears bharatgears.com ↗	Mumbai, IN	Automotive gears	1,000 pcs	8–12 wks
🇮🇳ZF India zf.com ↗	Pune, IN	Driveline & chassis	1,000 pcs	8–12 wks
🇨🇳Hangzhou Advance advancegroup.cn ↗	Hangzhou, CN	Gearboxes	1,000 pcs	8–12 wks