Hook Block

Assembly

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Lower block carrying the load hook and the moving hoist sheaves.

Direct parts	5
Total parts	12
Used in	1 assembly
Class	Assembly

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Lower block carrying the load hook and the moving hoist sheaves. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Hook Block parts and their functions

5 top-level parts · 12 parts in total · full bill of materials below

Hook Block parts diagram: 1 load sheave, 2 load hook, 3 hook swivel bearing, 4 block shell, 5 ball bearing. 12 parts in 5 top-level items. — Hook Block 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	Load Sheave	3×	Grooved pulley at the boom point reeving the main hoist rope.
2	Load Hook	1×	Forged hook with a safety latch.
3	Hook Swivel Bearing	1×	Thrust bearing letting the loaded hook turn freely.
4	Block Shell	1×	Side plates housing the bridle sheaves.
5	Ball Bearing	6×	Deep-groove radial ball bearing.

3D model

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Build & assembly graph

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Bill of materials for Hook Block

5 top-level lines · 5 rows shown · 12 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Load Sheave	derrick-crane-load-sheave	3×	3	·	part
2	Load Hook	derrick-crane-load-hook	1×	1	·	part
3	Hook Swivel Bearing	derrick-crane-swivel-bearing	1×	1	·	part
4	Block Shell	derrick-crane-block-shell	1×	1	·	part
5	Ball Bearing	ball-bearing	6×	6	·	part

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Where the hook block is used

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

Construction & Earthmoving 1 Stiffleg Derrick Crane

Used in 1 assembly

Main Hoist System

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