Front Stub-Axle Unit

Assembly

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Steered corner unit: kingpin, steering knuckle, stub axle and 20-inch wheel with drum brake.

Direct parts	6
Total parts	15
Used in	1 assembly
Class	Assembly

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Steered corner unit: kingpin, steering knuckle, stub axle and 20-inch wheel with drum brake. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Front Stub-Axle Unit parts and their functions

6 top-level parts · 15 parts in total · full bill of materials below

Front Stub-Axle Unit parts diagram: 1 steering knuckle, 2 kingpin, 3 stub axle, 4 wheel assembly, 5 ball bearing, 6 oil seal. 15 parts in 6 top-level items. — Front Stub-Axle 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	Steering Knuckle	1×	Forged knuckle carrying the stub axle, brake plate and tie-rod arm.
2	Kingpin	1×	Hardened 12 mm pin about which the knuckle pivots, inclined for self-centering.
3	Stub Axle	1×	Short cantilevered axle spindle carrying one front wheel hub.
4	Wheel Assembly 5 parts	1×	20-inch front wheel (reuse)
5	Ball Bearing	2×	Kingpin bearings (reuse)
6	Oil Seal	1×	Reuse

3D model

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Build & assembly graph

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Bill of materials for Front Stub-Axle Unit

6 top-level lines · 11 rows shown · 15 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Steering Knuckle	cargo-trike-steering-knuckle	1×	1	·	part
2	Kingpin	cargo-trike-kingpin	1×	1	·	part
3	Stub Axle	cargo-trike-stub-axle	1×	1	·	part
4	Wheel Assembly 5 parts	wheel-assembly	1×	1	9	assembly
4.1	Alloy Wheel	alloy-wheel	1×	1	·	part
4.2	Tire	tire	1×	1	·	part
4.3	TPMS Sensor	tpms-sensor	1×	1	·	part
4.4	Lug Nut	lug-nut	5×	5	·	part
4.5	Valve Stem	valve-stem	1×	1	·	part
5	Ball Bearing	ball-bearing	2×	2	·	part
6	Oil Seal	oil-seal	1×	1	·	part

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Where the front stub-axle unit is used

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

Bicycles & Cycling 1 Cargo Trike

Used in 1 assembly

Cargo Trike

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–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks