InMotion WB88128RA Wheel Bearing - Rear or Rear Inner

Wheel Bearing for Rear Applications

The InMotion WB88128RA is a single-row ball wheel bearing built from high-quality materials for smooth rotation, reduced friction, and stable operation. With a round profile and universal-style construction, it is suited for rear and rear inner positions across select Ford, Mercury, Lincoln, and Buick applications.

Use WB88128RA when servicing a rear wheel bearing on vehicles such as the Ford F-100, Ford LTD, or Mercury Marquis. Its dimensions and bearing type are specified for direct replacement work where the original bearing matches the listed measurements.

Key Features

• Part number: WB88128RA
• Single-row ball bearing design
• Round bearing profile
• Inside diameter: 1.531 in.
• Outside diameter: 3.150 in.
• Width: 0.827 in.
• Built for rear and rear inner wheel bearing locations
• Engineered for smooth rotation and reduced friction

Detailed Description

InMotion WB88128RA is a wheel bearing for driveline and axle service, sized at 1.531 inches inside diameter, 3.150 inches outside diameter, and 0.827 inches wide. The single-row ball construction supports consistent rotational performance in rear axle assemblies where the original bearing matches these specifications. This part number is commonly searched for rear wheel bearing replacement on 1980-1983 Ford F-100 rear applications with 2,800lb axle(s), 1976-1978 Ford LTD rear with 9in ring gear, and 1973-1978 Mercury Marquis rear inner with 9in ring gear.

WB88128RA also appears in fitment for 1977-1980 Lincoln Versailles rear inner, 1977-1979 Ford Thunderbird rear except heavy duty axle, and 1963-1967 Buick Riviera rear. For buyers comparing WB88128RA against other listings, the part number and dimensions are the key identifiers for confirming the correct rear wheel bearing match.

What It Helps Address

• Rear wheel noise caused by worn bearing surfaces
• Excess friction in the hub or axle assembly
• Loose or unstable wheel rotation at the rear axle
• Service needs on rear inner bearing locations with 9in ring gear applications
• Replacement of a worn WB88128RA-style wheel bearing during driveline repair

Installation Notes and Tips

Confirm the inside diameter, outside diameter, width, and bearing type before installation. Match the rear or rear inner position exactly, and verify axle configuration notes such as 2,800lb axle(s), heavy duty axle exclusions, or 9in ring gear applications. Clean the hub and related surfaces thoroughly before pressing in the new bearing, and inspect the mating components for wear before reassembly.

Compatible With 1980-1983 Ford F-100 rear, 1977-1980 Lincoln Versailles rear inner, 1977-1979 Ford Thunderbird rear, 1976-1978 Ford LTD rear, 1975-1978 Mercury Grand Marquis rear inner, 1973-1978 Mercury Marquis rear inner, 1975-1978 Mercury Monarch rear inner, 1973-1974 Mercury Colony Park rear inner, 1963-1967 Buick Riviera rear, and 1963-1964 Buick LeSabre rear.

Quality Assurance

InMotion manufactures this bearing from high-quality materials for durability and dependable operation in automotive and industrial use. Verify fitment against the listed dimensions and vehicle application before ordering.