Precision spacer or shim used in preload mechanisms to control axial clearance and maintain proper bearing tension.
Commonly used trade names and technical identifiers for Spacer/Shim.
This component is used in the following industrial products
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Spacers maintain fixed distances between components, while shims are adjustable thickness components used for fine-tuning preload. In preload mechanisms, shims are often used to achieve exact bearing compression.
Measure the axial gap with precision gauges, then select a shim thickness that provides 0.002-0.015mm interference fit for ball bearings, or follow manufacturer's preload specifications for specific bearing types.
Yes, but stacking increases tolerance stack-up and may reduce stability. Single-piece shims are preferred for critical preload applications to maintain parallelism and reduce interface points.
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