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Brushless Main Motor

Assembly

An outrunner brushless motor, typically 1,000-4,000 kV depending on class, delivering hundreds of watts from a few hundred grams. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Brushless Main Motor parts and their functions

6 top-level parts · 38 parts in total · full bill of materials below
Brushless Main Motor parts diagram: 1 stator assembly, 2 rotor assembly, 3 neodymium magnet, 4 copper winding, 5 motor housing, 6 ball bearing. 38 parts in 6 top-level items.
Brushless Main Motor 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× Wound stator
2 Rotor Assembly 4 parts 1× Rotating magnet bell
3 Neodymium Magnet 12× Rotor magnets
4 Copper Winding 1× Stator phase windings
5 Motor Housing 1× Motor can and mount
6 Ball Bearing 2× Motor shaft bearings

3D model

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Build & assembly graph

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Bill of materials for Brushless Main Motor

6 top-level lines · 13 rows shown · 38 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 Neodymium Magnet neodymium-magnet 12× 12 · part
4 Copper Winding copper-winding 1× 1 · part
5 Motor Housing motor-housing 1× 1 · part
6 Ball Bearing ball-bearing 2× 2 · part

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Where the brushless main motor 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 $2–$500. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Inovance
inovance.com ↗
Shenzhen, CN Drives & motion control 500 units 10–14 wks
🇮🇳Sona Comstar
sonacomstar.com ↗
Gurugram, IN EV driveline & motors 500 units 10–14 wks
🇨🇳Broad-Ocean
broad-ocean.com ↗
Zhongshan, CN Electric motors 500 units 10–14 wks
nidec.com ↗ Singapore Motors, regional ops 500 units 10–14 wks
🇮🇳Bosch India
bosch.in ↗
Bengaluru, IN Automotive components 500 units 10–14 wks