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InMotion WBRW507CR Wheel Bearing - Rear
| Brand | InMotion WBRW507CR |
|---|---|
| Position | Rear |
| 10023 | Round |
| Inside Diameter | 1.378 |
| Width | 0.925 |
| Outside Diameter | 2.748 |
| Type | Ball bearing |
| Fits | Buick, Cadillac, Oldsmobile, and Pontiac · 39 vehicles |
Universal fit. Works across a wide range of automotive and industrial applications.
Ball bearing design. Delivers smooth rotation, reduced friction, and stable performance.
Easy installation. A versatile replacement built for efficient, reliable use.
Wheel Bearing for Rear Applications
The InMotion WBRW507CR is a round ball wheel bearing built from high-quality materials for smooth rotational performance and reduced friction. With an inside diameter of 1.378 inches, an outside diameter of 2.748 inches, and a width of 0.925 inches, this bearing is sized for specific rear and transmission-related applications across select classic GM vehicles.
Compatible With rear wheel bearing applications on 1964-1969 Pontiac GTO, 1964-1969 Pontiac LeMans, and 1964-1969 Pontiac Tempest, as well as 1964-1969 Oldsmobile Cutlass and 1967-1969 Pontiac Firebird. The InMotion WBRW507CR also serves select Buick Skylark, Cadillac Eldorado, and Oldsmobile Toronado applications listed below.
- Part number: WBRW507CR
- Ball bearing construction
- Round profile
- Inside diameter: 1.378 in.
- Outside diameter: 2.748 in.
- Width: 0.925 in.
- Rear and N/A fitment coverage for select GM driveline applications
Fitment Details
- Fits 1964-1969 Oldsmobile Cutlass, rear.
- Fits 1967-1969 Oldsmobile Cutlass Supreme, rear.
- Fits 1967-1969 Pontiac Firebird, rear.
- Fits 1969 Pontiac Grand Prix, rear.
- Fits 1964-1969 Pontiac GTO, rear.
- Fits 1964-1969 Pontiac LeMans, rear.
- Fits 1964-1969 Pontiac Tempest, rear.
- Fits 1967-1968 Buick Skylark, rear.
- Fits 1964 Buick Skylark, rear.
- Fits 1967 Cadillac Eldorado, N/A, with GMC THM425 Transmission.
- Fits 1966-1967 Oldsmobile Toronado, N/A, with GMC THM425 Transmission.
- Fits 1965-1966 Buick Skylark, rear, Sedan Body.
What This Bearing Helps Address
- Wheel-end noise caused by worn bearing surfaces
- Excess friction in rotating assemblies
- Loose or unstable rear wheel operation
- Service replacement needs on classic Pontiac, Buick, and Oldsmobile models
- Transmission-related bearing service on THM425-equipped Cadillac and Oldsmobile vehicles
Installation Notes
Verify inside diameter, outside diameter, and width before installation to confirm the bearing matches the hub or assembly specification. Clean and inspect the mating surfaces, seals, and related components during service, and follow the vehicle service manual for proper bearing installation and preload procedures where applicable. For fitment-sensitive classic GM applications, confirm rear axle or transmission configuration before ordering.
Quality Assurance
InMotion positions this bearing as a multi-purpose component built for consistent operation across automotive and industrial environments. The WBRW507CR is engineered for durability and dependable performance in the listed applications, including classic Pontiac GTO, LeMans, Tempest, and Firebird rear service.
| Year | Make | Model | Body Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1969 | Oldsmobile | Cutlass | — | — | — | — | Rear | — |
| 1969 | Oldsmobile | Cutlass Supreme | — | — | — | — | Rear | — |
| 1969 | Pontiac | Firebird | — | — | — | — | Rear | — |
| 1969 | Pontiac | Grand Prix | — | — | — | — | Rear | — |
| 1969 | Pontiac | GTO | — | — | — | — | Rear | — |
| 1969 | Pontiac | LeMans | — | — | — | — | Rear | — |
| 1969 | Pontiac | Tempest | — | — | — | — | Rear | — |
| 1968 | Buick | Skylark | Sedan | — | 5.7L | V8 | Rear | — |
| 1968 | Oldsmobile | Cutlass | — | — | — | — | Rear | — |
| 1968 | Oldsmobile | Cutlass Supreme | — | — | — | — | Rear | — |
| 1968 | Pontiac | Firebird | — | — | — | — | Rear | — |
| 1968 | Pontiac | GTO | — | — | — | — | Rear | — |
| 1968 | Pontiac | LeMans | — | — | — | — | Rear | — |
| 1968 | Pontiac | Tempest | — | — | — | — | Rear | — |
| 1967 | Buick | Skylark | Coupe | — | 4.9L | V8 | Rear | — |
| 1967 | Cadillac | Eldorado | — | Automatic | — | — | N/A | with GMC THM425 Transmission |
| 1967 | Oldsmobile | Cutlass | — | — | — | — | Rear | — |
| 1967 | Oldsmobile | Cutlass Supreme | — | — | — | — | Rear | — |
| 1967 | Oldsmobile | Toronado | — | Automatic | — | — | N/A | with GMC THM425 Transmission |
| 1967 | Pontiac | Firebird | — | — | — | — | Rear | — |
| 1967 | Pontiac | GTO | — | — | — | — | Rear | — |
| 1967 | Pontiac | LeMans | — | — | — | — | Rear | — |
| 1967 | Pontiac | Tempest | — | — | — | — | Rear | — |
| 1966 | Buick | Skylark | — | — | — | — | Rear | Sedan Body |
| 1966 | Oldsmobile | Cutlass | — | — | — | — | Rear | — |
| 1966 | Oldsmobile | Toronado | — | Automatic | — | — | N/A | with GMC THM425 Transmission |
| 1966 | Pontiac | GTO | — | — | — | — | Rear | — |
| 1966 | Pontiac | LeMans | — | — | — | — | Rear | — |
| 1966 | Pontiac | Tempest | — | — | — | — | Rear | — |
| 1965 | Buick | Skylark | — | — | — | — | Rear | Sedan Body |
| 1965 | Oldsmobile | Cutlass | — | — | — | — | Rear | — |
| 1965 | Pontiac | GTO | — | — | — | — | Rear | — |
| 1965 | Pontiac | LeMans | — | — | — | — | Rear | — |
| 1965 | Pontiac | Tempest | — | — | — | — | Rear | — |
| 1964 | Buick | Skylark | Sedan | — | 4.9L | V8 | Rear | — |
| 1964 | Oldsmobile | Cutlass | — | — | — | — | Rear | — |
| 1964 | Pontiac | GTO | — | — | — | — | Rear | — |
| 1964 | Pontiac | LeMans | — | — | — | — | Rear | — |
| 1964 | Pontiac | Tempest | — | — | — | — | Rear | — |
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