General Electric F315 GE Carbon Motor Brush

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Carbon Brushes

General Electric F315 GE Carbon Motor Brush

Part No. F315

General Electric F315 electrographitic carbon brush (cross ref REP872, F315 grade), single wafer OEM replacement brush for GE industrial DC motors and generators. Provides stable commutation performance, minimal sparking, consistent protective patina and low commutator wear under continuous heavy industrial loads. Precision machined to GE OEM specifications, bulk stock available for worldwide industrial maintenance.

Material	Electrographitic, F315 Grade (Single wafer)
Dimensions	Imperial:0.750" (T) × 1.000" (W) × 2.000" (L), Copper shunt lead:4.000" Metric:19.05mm × 25.40mm × 5
Application	OEM replacement carbon brush for General Electric heavy-duty DC motors and industrial generators. Cross reference Repco REP872. Widely used in steel mill drives, mining equipment, paper mill machinery and continuous-duty industrial rotating equipment
Voltage	DC up to 750V
Current Density	3 – 9 A/cm²
Speed	Max peripheral speed up to 32 m/s
Hardness	Shore 41 – 51
Grade	F315 Electrographitic 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	General Electric F315
Cross Reference Part	REP872
Material	Electrographitic, F315 Grade, single wafer
Imperial Dimensions	0.750" × 1.000" × 2.000", Copper Shunt Lead:4.000"
Metric Dimensions	19.05mm × 25.40mm × 50.80mm, Shunt Lead:101.6mm
Application	GE heavy-duty DC motors, industrial generators, steel mills, mining & paper mills
Working Voltage	DC up to 750V
Current Density	3 – 9 A/cm²
Max Peripheral Speed	32 m/s
Hardness	Shore 41 – 51
Brush Grade	F315 Electrographitic Grade
Connection Type	Shunt wire bonded connection
Lead Type	Flexible stranded copper shunt lead
Spring	External separate spring assembly, no integrated spring
Key Features	Single wafer design, stable commutation, low sparking, heavy load resistant, extended service life
Quality Standard	Matches GE OEM specification

Description

The General Electric F315 GE Carbon Motor Brush is a heavy-duty electrographitic OEM replacement carbon brush built for General Electric DC motors and industrial generators, cross-referenced as Repco REP872. It uses premium F315 electrographitic carbon material with single wafer construction, designed for long-duration continuous industrial operation. Constructed from high-performance impregnated electrographitic carbon compound, this F315 carbon brush maintains stable sliding contact and reliable current transfer under fluctuating heavy loads. It forms a smooth, uniform patina on commutator and slip ring surfaces, suppressing electrical sparking, lowering friction and reducing surface abrasion of the commutator. The bonded flexible stranded copper shunt delivers strong mechanical integrity and dependable high-current conduction. Commonly deployed in steel rolling mill drives, mining machinery, pulp and paper mill production lines and other continuous-duty rotating equipment. Precision machined to original GE OEM dimensions for direct drop-in replacement. Each batch is inspected for resistivity, hardness and wear characteristics to guarantee consistent quality. Bulk supply and global shipping available for industrial maintenance contractors and heavy industry operators.