Precision Parts A4 Single Row Tapered Roller Bearing Set Cone & Cup

The Precision Parts A4 is a single row tapered roller bearing set consisting of a matched cone and cup assembly. Cross-referenced as SET4 and BR4, this bearing set includes cone L44649 and cup L44610 — one of the most commonly used tapered roller bearing sizes in automotive and light-duty applications.

Tapered roller bearings are engineered to handle both radial and axial (thrust) loads simultaneously, making them well-suited for wheel hub, axle, and drivetrain applications where combined load support is required.

Key Features:

• Single row tapered roller bearing — cone and cup included as a matched set
• Bore diameter: 1.0625 in (1-1/16")
• Outside diameter: 1.980 in
• Overall width: 0.5625 in (9/16")
• Handles combined radial and axial loads
• Cross-references: SET4, BR4, L44649/L44610

This bearing set is a direct-fit replacement designed to meet or exceed original equipment specifications, ensuring reliable performance and long service life.