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CARQUEST
Belleville Washer Design
Inside the assembly, the CARQUEST Belleville spring washer design maintains a consistent preload force between the domed cover plate and the top of
the bearing.
As clearances inevitably increase with mileage, the Belleville washer’s preload force against the bearing
maintains proper stud ball/bearing alignment and clearances, for longer life. |
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The Belleville spring-steel washer preloads the bearing to maintain optimum ball-to-bearing clearance longer than typical
assemblies. |
| Competitive Comparison |
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Shortened
Service Life and Loose Steering
| Manufacturing tolerance variations may result in excessive clearances within the assembly, even when new.
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- Excessive clearance from the start results in less precise handling, safety concerns and shorter assembly life.
 Without a bearing preload provision, larger clearances and
increased axial movement can occur at lower mileages.
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