Wheelhead and Quill

Assembly

The tire wheel of Volvo XC60 D4 Classic (LDA-DD4204TXC).jpg · Commons ↗ Report photo

High-speed spindle, often air-bearing or electric-motor, turning a small mounted wheel at 30,000–150,000 rpm at the end of a slender quill reaching into the bore.

Direct parts	7
Total parts	8
Used in	1 assembly
Class	Assembly

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High-speed spindle, often air-bearing or electric-motor, turning a small mounted wheel at 30,000–150,000 rpm at the end of a slender quill reaching into the bore. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Wheelhead and Quill parts and their functions

7 top-level parts · 8 parts in total · full bill of materials below

Wheelhead and Quill parts diagram: 1 spindle cartridge, 2 air-bearing sleeve, 3 spindle motor, 4 wheel quill, 5 quill collet, 6 bearing air supply, 7 ball bearing. 8 parts in 7 top-level items. — Wheelhead and Quill 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	Spindle Cartridge	1×	High-frequency spindle cartridge
2	Air-Bearing Sleeve	1×	Air-bearing sleeve set
3	Spindle Motor	1×	Built-in spindle motor
4	Wheel Quill	1×	Wheel quill extension
5	Quill Collet	1×	Quill clamp collet
6	Bearing Air Supply	1×	Bearing air supply unit
7	Ball Bearing	2×	Backup angular-contact bearings

3D model

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Build & assembly graph

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Bill of materials for Wheelhead and Quill

7 top-level lines · 7 rows shown · 8 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Spindle Cartridge	internal-grinder-spindle-cartridge	1×	1	·	part
2	Air-Bearing Sleeve	internal-grinder-air-bearing	1×	1	·	part
3	Spindle Motor	internal-grinder-spindle-motor	1×	1	·	part
4	Wheel Quill	internal-grinder-quill	1×	1	·	part
5	Quill Collet	internal-grinder-quill-collet	1×	1	·	part
6	Bearing Air Supply	internal-grinder-spindle-air-supply	1×	1	·	part
7	Ball Bearing	ball-bearing	2×	2	·	part

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Where the wheelhead and quill is used

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

Machine Tools & Metalworking 1 Internal Cylindrical Grinder

Used in 1 assembly

Internal Cylindrical Grinder

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 $10–$400. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳MRF mrftyres.com ↗	Chennai, IN	Tyres	500 pcs	4–8 wks
🇮🇳Apollo Tyres apollotyres.com ↗	Gurugram, IN	Tyres	500 pcs	4–8 wks
🇨🇳Linglong Tire linglong.cn ↗	Zhaoyuan, CN	Tyres	500 pcs	4–8 wks
🇮🇳CEAT ceat.com ↗	Mumbai, IN	Tyres	500 pcs	4–8 wks
🇨🇳Sailun sailungroup.com ↗	Qingdao, CN	Tyres	500 pcs	4–8 wks