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InMotion WBB40 Wheel Bearing - Front Inner
Wheel Bearing for Front Inner Applications
The InMotion WBB40 is a round, single-row ball wheel bearing built for smooth rotation and reduced friction in driveline and axle service. With a 1.25 inside diameter, 2.564 outside diameter, and 0.750 width, it is sized for front inner bearing applications on select classic Chevrolet and Pontiac vehicles.
Use the WBB40 when servicing a 1955-1957 Chevrolet Bel Air or a 1955-1957 Pontiac Laurentian front inner wheel bearing location. The InMotion WBB40 is a direct-fit service part for restorations and maintenance work where bearing dimensions and position matter.
Key Features
- Round, single-row ball bearing construction
- Inside diameter: 1.25
- Outside diameter: 2.564
- Width: 0.750
- Built for front inner wheel bearing service
- Fits 1955-1957 Chevrolet Bel Air and 1955-1957 Pontiac Laurentian applications
- Part number: WBB40
Detailed Description
InMotion WBB40 is a wheel bearing engineered from quality materials for consistent rotational performance in automotive service. Its ball bearing design supports low-friction movement and stable operation in the front inner position, making it a practical choice for classic vehicle maintenance. For buyers searching for a 1955-1957 Chevrolet Bel Air front inner wheel bearing or a 1955-1957 Pontiac Laurentian front inner wheel bearing, WBB40 provides the dimensional match needed for the application. The part number WBB40 is also useful when cross-checking service records or ordering replacement components for restoration work.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Helps Solve
- Wheel noise caused by worn front inner bearing surfaces
- Excess friction in the hub assembly
- Loose or unstable wheel rotation
- Service needs on classic Chevrolet Bel Air and Pontiac Laurentian front inner hubs
- Replacement of a bearing with matching dimensions and ball-type construction
Installation Notes and Tips
Confirm inside diameter, outside diameter, width, and bearing position before installation. Clean the hub and inspect related seals, races, and mating surfaces for wear before pressing in the new bearing. Verify that the bearing is installed in the front inner location specified for your vehicle, and follow the vehicle service manual for proper bearing packing, preload, and torque procedures.
Quality Assurance
InMotion supplies this bearing as a dimensional replacement for the listed applications, with materials selected for durability and steady operation in automotive service. The WBB40 is intended for buyers who need a verified front inner wheel bearing match for classic Chevrolet and Pontiac maintenance.
| Brand | InMotion |
| Part Number | WBB40 |
| 10023 | Round |
| Inside Diameter | 1.25 |
| Width | 0.750 |
| Outside Diameter | 2.564 |
| Row Quantity | 1 |
| Bearing Type | Ball |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1957 | Chevrolet | Bel Air | Front Inner | |
| 1957 | Pontiac | Laurentian | Front Inner | |
| 1956 | Chevrolet | Bel Air | Front Inner | |
| 1956 | Pontiac | Laurentian | Front Inner | |
| 1955 | Chevrolet | Bel Air | Front Inner | |
| 1955 | Pontiac | Laurentian | Front Inner |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.