The Alltrux ATX-S415 Trailer Axle Inner & Outer Wheel Bearing Set replaces industry standard SET415TRB and is engineered for heavy-duty trailer axle wheel end applications requiring reliable load handling and long service life. This tapered roller bearing kit includes components equivalent to cone HM518445 and cup HM518410 and is commonly used on P-series trailer axles for both inner and outer bearing positions.

Tapered roller bearing sets like SET415 are designed to support combined radial and axial loads while maintaining precise hub alignment and smooth wheel rotation under heavy freight and long-haul operating conditions. Using matched bearing sets for both inner and outer positions helps ensure consistent wear patterns, optimal load distribution, and dependable wheel end performance across demanding commercial trailer applications.

Manufactured to meet industry-standard dimensional and performance specifications, this bearing set is ideal for trailer hub rebuilds, fleet maintenance programs, and preventive wheel end service. Proper lubrication, installation, and preload adjustment are essential to maximize bearing life and ensure safe, reliable trailer axle operation.

Key Features

Industry standard SET415TRB wheel bearing set
Alltrux Part Number: ATX-S415
Equivalent to tapered roller cone HM518445 and cup HM518410
Designed for trailer axle inner and outer wheel end applications
Supports heavy radial and axial load handling in hub assemblies
Ideal for heavy-duty trailer hub rebuild and maintenance service

Technical Specifications

Brand: Alltrux
Part Number: ATX-S415
Industry Set Number: SET415TRB
Cone Number: HM518445
Cup Number: HM518410
Bearing Type: Tapered Roller Bearing Set (Cone & Cup)
Positions: Trailer Axle – Inner & Outer Wheel Bearings
Axle Type: Industry Standard P Trailer Axle
Condition: New Aftermarket
Application: Heavy-Duty Truck & Trailer Wheel End Assemblies

Cross References

INDUSTRY: SET415TRB
CONE: HM518445
CUP: HM518410
ALLTRUX: ATX-S415