Timken RW102R Wheel Bearing - Front or Rear

Timken RW102R Rear Wheel Bearing

The Timken RW102R is a rear wheel bearing for select Mazda applications, including the 1979-1983 Mazda RX-7 and 1979-1982 Mazda 626. It is built as a deep groove ball bearing with tight dimensional control to support smooth rotation and consistent noise and vibration performance.

Key Features

• Deep groove wheel bearing construction for rear driveline and axle service
• Surface finish and tolerance control support stable operation under proper lubrication
• Available in sealed, shielded, and related configurations across the Timken line
• Built to ISO dimensional standards for direct replacement use
• Interchangeable with competitor part numbers in the same application family

Application Details

Compatible with rear wheel bearing service on 1979-1983 Mazda RX-7 and 1979-1982 Mazda 626. The Timken RW102R is intended for vehicles that need a precise-fit bearing for rear hub or axle support, with attention to rotational smoothness and long-term dimensional consistency. This part cross-references GRW102 and GRW102R for the same application.

What It Helps Address

• Rear wheel bearing noise
• Vibration from worn bearing surfaces
• Excess play at the rear hub area
• Rough or inconsistent wheel rotation
• Replacement needs on Mazda RX-7 and Mazda 626 rear bearing service

Installation Notes

Verify the bearing dimensions and rear position before installation. Clean the hub and related surfaces, inspect the spindle or axle components for wear, and follow the vehicle service procedure for bearing preload, lubrication, and seal condition where applicable. Proper installation and lubrication are important for bearing life and operating smoothness.

Quality Assurance

Timken deep groove ball bearings are manufactured to worldwide quality standards and follow ISO dimensional requirements for interchangeability with comparable parts.