BOMwiki the bill-of-materials encyclopedia
30,441,950 parts mapped · 192,925 items

This page is machine-generated and unverified (what this means). Treat details as provisional. If you know this hardware, weigh in or correct it directly with Edit.

Discussion History

Reaction Wheel Assembly

Assembly

Momentum-exchange wheel on elastomer isolators so its microvibration does not blur the optics. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Reaction Wheel Assembly parts and their functions

5 top-level parts · 28 parts in total · full bill of materials below
Reaction Wheel Assembly parts diagram: 1 stator assembly, 2 rotor assembly, 3 ball bearing, 4 hall sensor, 5 wheel vibration isolator. 28 parts in 5 assemblies.
Reaction Wheel Assembly parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Stator Assembly 3 parts 1× Motor stator (reuse)
2 Rotor Assembly 4 parts 1× Flywheel rotor (reuse)
3 Ball Bearing 2× Spin bearings (reuse)
4 Hall Sensor 3× Commutation (reuse)
5 Wheel Vibration Isolator 1× Vibration isolator

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 Reaction Wheel Assembly

5 top-level lines · 12 rows shown · 28 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Stator Assembly 3 parts stator-assembly 1× 1 3 assembly
1.1 Stator Core (laminations) stator-core 1× 1 · part
1.2 Copper Winding copper-winding 1× 1 · part
1.3 Slot Insulation stator-insulation 1× 1 · part
2 Rotor Assembly 4 parts rotor-assembly 1× 1 19 assembly
2.1 Rotor Shaft rotor-shaft 1× 1 · part
2.2 Rotor Core rotor-core 1× 1 · part
2.3 Neodymium Magnet neodymium-magnet 16× 16 · part
2.4 Ball Bearing ball-bearing 1× 1 · part
3 Ball Bearing ball-bearing 2× 2 · part
4 Hall Sensor hall-sensor 3× 3 · part
5 Wheel Vibration Isolator space-telescope-wheel-isolator 1× 1 · part

Where the reaction wheel assembly is used

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

Used in 1 assembly

Pointing & Momentum Control

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 $10–$400. How estimates work
VendorHQSpecialtyMOQLead time
🇮🇳MRF
mrftyres.com ↗ 		Chennai, IN Tyres 500 pcs 4–8 wks
🇮🇳Apollo Tyres
apollotyres.com ↗ 		Gurugram, IN Tyres 500 pcs 4–8 wks
🇨🇳Linglong Tire
linglong.cn ↗ 		Zhaoyuan, CN Tyres 500 pcs 4–8 wks
🇮🇳CEAT
ceat.com ↗ 		Mumbai, IN Tyres 500 pcs 4–8 wks
🇨🇳Sailun
sailungroup.com ↗ 		Qingdao, CN Tyres 500 pcs 4–8 wks