BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Spring-Applied Brake

Assembly

Fail-safe multi-disc friction brake that holds load statically when motor is de-energized via spring force. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Spring-Applied Brake parts and their functions

5 top-level parts · 12 parts in total · full bill of materials below
Spring-Applied Brake parts diagram: 1 brake housing, 2 brake disc pack, 3 coil spring, 4 brake piston, 5 o-ring set. 12 parts in 5 top-level items.
Spring-Applied Brake parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Brake Housing 1× Aluminum alloy pressure vessel, 100–150 mm bore
2 Brake Disc Pack 1× Sintered bronze and steel disc pack, 6–8 pairs
3 Coil Spring 8× Heavy duty springs, preload 20–40 kN
4 Brake Piston 1× Aluminum alloy apply piston with rod seal
5 O-Ring Set 1× Piston and housing seals

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Spring-Applied Brake

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 Brake Housing hydraulic-anchor-windlass-brake-housing 1× 1 · part
2 Brake Disc Pack hydraulic-anchor-windlass-brake-discs 1× 1 · part
3 Coil Spring coil-spring 8× 8 · part
4 Brake Piston hydraulic-anchor-windlass-piston 1× 1 · part
5 O-Ring Set oring-set 1× 1 · part

Something wrong in this list? Report a problem with this BOM.

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 $0.10–$20. How estimates work
VendorHQSpecialtyMOQLead time
gabrielindia.com ↗ Pune, IN Shock absorbers & dampers 2,000 pcs 5–8 wks
🇮🇳Jamna Auto
jaiparabolic.com ↗
Yamunanagar, IN Leaf & parabolic springs 2,000 pcs 5–8 wks
🇮🇳Munjal Showa
munjalshowa.net ↗
Gurugram, IN Shock absorbers & struts 2,000 pcs 5–8 wks
sokonindustry.com ↗ Chongqing, CN Springs & auto parts 2,000 pcs 5–8 wks
🇮🇳NRB Bearings
nrbbearings.com ↗
Mumbai, IN Needle & auto bearings 2,000 pcs 5–8 wks