Counterbalance Assembly
AssemblyThe torsion counterbalance: a wound spring on a shaft carried by bearing plates, with winding cones, cable drums, and lift cables that offset the door weight. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Counterbalance Assembly parts and their functions
8 top-level parts · 16 parts in total · full bill of materials below| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Coil Spring | 2× | Torsion springs |
| 2 | Torsion Tube | 1× | Torsion shaft / tube |
| 3 | Winding Cone | 2× | Spring winding cones |
| 4 | Bearing Plate | 3× | Center + end bearing plates |
| 5 | Ball Bearing | 3× | Shaft support bearings |
| 6 | Cable Drum | 2× | Grooved cable drums |
| 7 | Lift Cable | 2× | Galvanized lift cables |
| 8 | Fastener Set | 1× | Set screws and plate bolts |
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 Counterbalance Assembly
8 top-level lines · 8 rows shown · 16 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Coil Spring | coil-spring | 2× | 2 | · | part |
| 2 | Torsion Tube | sectional-garage-door-torsion-tube | 1× | 1 | · | part |
| 3 | Winding Cone | sectional-garage-door-winding-cone | 2× | 2 | · | part |
| 4 | Bearing Plate | sectional-garage-door-bearing-plate | 3× | 3 | · | part |
| 5 | Ball Bearing | ball-bearing | 3× | 3 | · | part |
| 6 | Cable Drum | sectional-garage-door-cable-drum | 2× | 2 | · | part |
| 7 | Lift Cable | sectional-garage-door-lift-cable | 2× | 2 | · | part |
| 8 | Fastener Set | fastener-set | 1× | 1 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the counterbalance assembly is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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| Vendor | HQ | Specialty | MOQ | Lead 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.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |