Stemco ASET580-72 Matched Wheel Bearing Set Drive Axle Outer

The Stemco ASET580-72 is a precision-matched tapered roller bearing set designed for heavy-duty commercial truck and trailer drive axle applications. This industry-standard outer bearing assembly consists of a 580 bearing cone (inner ring) and 572 bearing cup (outer ring), engineered to handle both radial and axial loads in high-stress wheel end applications.

Key Features:

• Pre-matched bearing cone and cup set for optimal performance and proper clearances
• Designed for drive axle outer bearing position on Class 6, 7, and 8 commercial vehicles
• Tapered roller design provides superior load distribution and extended service life
• Manufactured to meet or exceed OEM specifications in form, fit, and function
• ISO 16949 certified quality standards for commercial vehicle applications

Specifications:

• Bearing dimensions: 82.55mm × 139.99mm × 36.51mm (3.25" × 5.51" × 1.44")
• Compatible with Set 401 industry standard applications
• Cross references: ConMet 10041916, National HD206, Timken Set 401/430/436

This matched bearing set is a critical wheel-end component that ensures proper bearing adjustment and wheel end play within the recommended 0.001" to 0.005" tolerance range for safe commercial vehicle operation.