SKF RU1570-UM Differential Pinion Pilot Bearing - Rear

SKF RU1570-UM Differential Pinion Pilot Bearing

The SKF RU1570-UM is a cylindrical roller differential pinion pilot bearing built for driveline service where radial load capacity and rotational stability matter. With a 1.378 in inside diameter, 2.834 in outside diameter, and 0.813 in width, this bearing is sized for precise support in axle and differential assemblies.

Key Features

• SKF cylindrical roller bearing design for heavy radial loads
• 1.378 in inside diameter for accurate shaft fit
• 2.834 in outside diameter for housing support
• 0.813 in width for compact differential packaging
• Built for high-speed driveline operation
• Cross-references 6V2653 and 1228F552 for the same application

Detailed Description

SKF RU1570-UM is a differential pinion pilot bearing used in driveline and axle assemblies that require stable support at the pinion shaft. The cylindrical roller construction helps distribute radial load across the bearing surface, making it a practical choice for service work on axle components in truck and heavy-duty applications. SKF RU1570-UM is engineered to meet the dimensional requirements of the original bearing location, with the listed bore, outer diameter, and width providing the key reference points for replacement selection. For buyers searching by SKF RU1570-UM, differential pinion pilot bearing, or axle bearing dimensions, this part offers a direct match to the specified size profile.

Compatible With axle and driveline service applications where the bearing dimensions match the original specification. Search terms such as SKF RU1570-UM differential pinion pilot bearing and SKF RU1570-UM axle bearing are commonly used when sourcing this component for repair work on driveline assemblies.

What It Helps Address

• Pinion shaft support wear in the differential
• Excessive radial play in the bearing location
• Noise from a worn axle or driveline bearing
• Improper bearing fit caused by incorrect dimensions
• Reduced stability in high-load rotating assemblies

Installation Notes and Tips

Verify the inside diameter, outside diameter, and width against the removed bearing before installation. Clean the bearing bore and shaft surfaces thoroughly, inspect the pinion and housing for wear, and confirm that the replacement bearing seats fully without distortion. For best results, follow the vehicle service manual for axle setup, preload, and inspection procedures.

Quality Assurance

SKF has supplied bearing solutions for more than a century, and this RU1570-UM bearing is manufactured to strict quality standards for durability and safe operation in driveline service.