Timken SET430 MileMate Heavy Duty Drive Axle Wheel Bearing Set – 3.25" Bore

The Timken SET430 MileMate Wheel Bearing Set is a heavy-duty tapered roller bearing set designed for commercial vehicle drive axle wheel ends. It includes a precisely matched cone and cup engineered to handle both radial and axial loads while providing reliable performance in demanding heavy-duty applications.

SET430 is used as the outer bearing on R-drive axles with ConMet PreSet® pre-adjusted wheel ends. Timken identifies the bearing components as NP840302 cone and NP053874 cup.

Features:

• Genuine Timken MileMate® bearing set
• Matched tapered roller bearing cone and cup
• 3.25" cone bore
• Approximately 5.51" cup outside diameter
• Designed for heavy-duty commercial vehicle applications
• Made from Timken certified steel
• Engineered for durability and long service life
• Suitable for pre-adjusted wheel-end applications
• Helps reduce friction and evenly distribute radial and axial loads

Kit Includes:

• (1) Timken NP840302 cone
• (1) Timken NP053874 cup

Applications

Commonly used in heavy-duty truck drive axle wheel-end applications, particularly ConMet PreSet® R-drive axle assemblies. Always verify the existing bearing numbers and wheel-end specifications before ordering.

Cross Reference / Interchange Numbers

• Timken: SET430
• Timken Cone: NP840302
• Timken Cup: NP053874
• ConMet: 107503 / 107502 — source listings vary by catalog/application
• SKF: RBT10431 / LBT10431
• National: NBSET430
• Stemco: ASET58072
• TRP: BWSET430
• NTN: SET430

Specifications