Rolling Gear

Assembly

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Rear wheels and front casters for pushing the chair on level floors between stair flights.

Direct parts	4
Total parts	26
Used in	1 assembly
Class	Assembly

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Rear wheels and front casters for pushing the chair on level floors between stair flights. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Rolling Gear parts and their functions

4 top-level parts · 26 parts in total · full bill of materials below

Rolling Gear parts diagram: 1 wheel assembly, 2 front caster wheel, 3 caster fork, 4 ball bearing. 26 parts in 4 top-level items. — Rolling Gear 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	Wheel Assembly 5 parts	2×	Rear fixed wheels
2	Front Caster Wheel	2×	Swiveling 75–100 mm caster for steering on landings and corridors.
3	Caster Fork	2×	Swivel fork carrying each front caster on sealed races.
4	Ball Bearing	4×	Deep-groove radial ball bearing.

3D model

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Build & assembly graph

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Bill of materials for Rolling Gear

4 top-level lines · 9 rows shown · 26 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Wheel Assembly 5 parts	wheel-assembly	2×	2	9	assembly
1.1	Alloy Wheel	alloy-wheel	1×	2	·	part
1.2	Tire	tire	1×	2	·	part
1.3	TPMS Sensor	tpms-sensor	1×	2	·	part
1.4	Lug Nut	lug-nut	5×	10	·	part
1.5	Valve Stem	valve-stem	1×	2	·	part
2	Front Caster Wheel	evacuation-chair-front-caster	2×	2	·	part
3	Caster Fork	evacuation-chair-caster-fork	2×	2	·	part
4	Ball Bearing	ball-bearing	4×	4	·	part

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Where the rolling gear is used

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

Firefighting & Emergency 1 Evacuation Chair

Used in 1 assembly

Evacuation Chair

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