Roll Set

Assembly

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Four-high roll stack: two work rolls reducing the metal, backed by two larger back-up rolls.

Direct parts	8
Total parts	46
Used in	1 assembly
Class	Assembly
Status	unverified

Four-high roll stack: two work rolls reducing the metal, backed by two larger back-up rolls. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Roll Set parts and their functions

8 top-level parts · 46 parts in total · full bill of materials below

Roll Set parts diagram: 1 work roll, 2 back-up roll, 3 work-roll chock, 4 back-up-roll chock, 5 oil-film bearing, 6 ball bearing, 7 neck seal, 8 oil seal. 46 parts in 8 assemblies. — Roll Set 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	Work Roll	2×	Driven roll in direct contact with the plate
2	Back-Up Roll	2×	Large support roll limiting work-roll deflection
3	Work-Roll Chock 4 parts	2×	Bearing housing on each work-roll neck
4	Back-Up-Roll Chock 4 parts	2×	Bearing housing on each back-up-roll neck
5	Oil-Film Bearing 3 parts	2×	Hydrodynamic oil-film bearing for back-up roll necks
6	Ball Bearing	4×	Four-row tapered roller bearing in the work-roll chocks
7	Neck Seal	4×	Labyrinth and oil seal on each roll neck
8	Oil Seal	4×	Rotary lip seal at the chock face

3D model

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Build & assembly graph

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Bill of materials for Roll Set

8 top-level lines · 22 rows shown · 46 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Work Roll	reversing-rolling-mill-work-roll	2×	2	·	part
2	Back-Up Roll	reversing-rolling-mill-backup-roll	2×	2	·	part
3	Work-Roll Chock 4 parts	reversing-rolling-mill-work-chock	2×	2	4	assembly
3.1	Chock Body	reversing-rolling-mill-chock-body	1×	2	·	part
3.2	Ball Bearing	ball-bearing	1×	2	·	part
3.3	Oil Seal	oil-seal	1×	2	·	part
3.4	Fastener Set	fastener-set	1×	2	·	part
4	Back-Up-Roll Chock 4 parts	reversing-rolling-mill-backup-chock	2×	2	7	assembly
4.1	Chock Body	reversing-rolling-mill-chock-body	1×	2	·	part
4.2	Oil-Film Bearing 3 parts	reversing-rolling-mill-oil-film-bearing	1×	2	4	assembly
4.2.1	Bearing Bushing	reversing-rolling-mill-bearing-bushing	1×	2	·	part
4.2.2	Bearing Sleeve	reversing-rolling-mill-bearing-sleeve	1×	2	·	part
4.2.3	Oil Seal	oil-seal	2×	4	·	part
4.3	Oil Seal	oil-seal	1×	2	·	part
4.4	Fastener Set	fastener-set	1×	2	·	part
5	Oil-Film Bearing 3 parts	reversing-rolling-mill-oil-film-bearing	2×	2	4	assembly
5.1	Bearing Bushing	reversing-rolling-mill-bearing-bushing	1×	2	·	part
5.2	Bearing Sleeve	reversing-rolling-mill-bearing-sleeve	1×	2	·	part
5.3	Oil Seal	oil-seal	2×	4	·	part
6	Ball Bearing	ball-bearing	4×	4	·	part
7	Neck Seal	reversing-rolling-mill-neck-seal	4×	4	·	part
8	Oil Seal	oil-seal	4×	4	·	part

Where the roll set is used

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

Machine Tools & Metalworking 1 Reversing Rolling Mill

Used in 1 assembly

Reversing Rolling Mill

Sourcing: possible vendors

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