Precision Parts M86649 Tapered Roller Bearing Cone 1-3/16" Bore A/T Pinion

The Precision Parts M86649 is a tapered roller bearing cone designed for use as an automatic transmission pinion bearing and a variety of other automotive and light industrial applications. This is the cone (inner ring) assembly portion of a tapered roller bearing set, featuring precision-ground rollers, an inner ring, and a cage assembly.

Key Specifications:

• Bearing Type: Tapered Roller Bearing – Single Cone
• Bore (Inner Diameter): 1.188 in (30.162 mm)
• Outside Diameter: 2.531 in (64.29 mm)
• Width: 0.844 in (21.433 mm)
• Sold: Individually
• Warranty: 3-Year Limited
• UPC: 682034865109

Cross-Reference / Interchange:

• Timken M86649
• Assembly Number: M86649-99401

Features & Benefits:

• Manufactured to meet or exceed OEM specifications for fit, form, and function
• Precision tolerances ensure smooth, quiet, and long-lasting operation
• High-quality materials engineered to perform under demanding load and temperature conditions
• Tapered design allows for precise adjustment of bearing clearance or preload
• Suitable for use in transmission pinion positions, gearboxes, wheel hubs, and similar drivetrain components

The M86649 bearing cone pairs with a matching cup (outer ring) to form a complete tapered roller bearing assembly. Tapered roller bearings are specifically designed to handle combined radial and axial (thrust) loads simultaneously, making them ideal for high-stress automotive drivetrain applications.