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Carbon Brushes

323B7989P02 Carbon Brush

Part No. 323B7989P02

Premium 323B7989P02 electrographite carbon brush, OEM replacement part for General Electric heavy-duty DC traction motors and industrial generators. Delivers excellent commutation, low sparking, minimal commutator abrasion and long operational life for mining, steel plant and heavy industrial power equipment. Manufactured to strict OEM tolerances, bulk stock available for global orders.

Material	Electrographite
Dimensions	25mm × 20mm × 40mm (W × D × H), copper shunt lead length: 110mm
Application	OEM replacement carbon brush for General Electric (GE) heavy-duty DC traction motors, industrial generators, mining equipment, steel mill drives, and heavy rotating power machinery
Voltage	DC up to 750V
Current Density	3 – 9 A/cm²
Speed	Up to 3200 RPM
Hardness	Shore 40 – 50
Grade	Electrographite Grade
Connection	Shunt wire bonded connection
Lead Type	Flexible stranded copper shunt lead
Spring	External separate spring assembly (no built-in spring)

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Technical Specifications

Product Model	323B7989P02
Material	Electrographite
Dimensions	25mm × 20mm × 40mm, Copper Shunt Lead: 110mm
Application	GE DC traction motors, generators, mining, steel mill heavy machinery
Working Voltage	DC up to 750V
Current Density	3 – 9 A/cm²
Max Rotation Speed	3200 RPM
Hardness	Shore 40 – 50
Brush Grade	Electrographite Grade
Connection Type	Shunt wire bonded connection
Lead Type	Flexible stranded copper shunt lead
Spring	External separate spring assembly, no integrated spring
Key Features	Low spark, reliable commutation, low commutator wear, long service life
Quality Standard	OEM replacement specification

Description

The 323B7989P02 carbon brush is a high-performance electrographite brush engineered as an OEM replacement component for General Electric large DC traction motors and heavy industrial generators. Constructed from premium electrographite raw material, it provides stable sliding contact, outstanding commutation performance and low spark generation under continuous heavy load. The bonded flexible stranded copper shunt maintains reliable current transmission and solid attachment to the carbon block. Widely applied in mining machinery, steel mill drive systems and heavy power generation equipment. Every 323B7989P02 carbon brush is precision machined to OEM specifications for seamless fitting and straightforward on-site maintenance replacement. We provide strict quality inspection, bulk supply and worldwide shipping for industrial repair and maintenance customers.