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Bridle Block

Assembly

Multi-sheave block at the mast top that multiplies topping-rope pull. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Bridle Block parts and their functions

4 top-level parts · 11 parts in total · full bill of materials below
Bridle Block parts diagram: 1 bridle sheave, 2 sheave axle pin, 3 ball bearing, 4 block shell. 11 parts in 4 top-level items.
Bridle Block parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Bridle Sheave 3× Grooved sheave at the mast top guiding the topping rope.
2 Sheave Axle Pin 1× Hardened pin the boom-point sheaves rotate on.
3 Ball Bearing 6× Deep-groove radial ball bearing.
4 Block Shell 1× Side plates housing the bridle sheaves.

3D model

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Build & assembly graph

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Bill of materials for Bridle Block

4 top-level lines · 4 rows shown · 11 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Bridle Sheave derrick-crane-bridle-sheave 3× 3 · part
2 Sheave Axle Pin derrick-crane-sheave-pin 1× 1 · part
3 Ball Bearing ball-bearing 6× 6 · part
4 Block Shell derrick-crane-block-shell 1× 1 · part

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Where the bridle block is used

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

Used in 1 assembly

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
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
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