bushing design

bushing design
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Posted by: spears ^®

02/08/2005, 14:36:40

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I am desinging a shaft and bushing combination. THe shaft will have a medium load with low rpm and occasional use. THe bushing will not be lubricated.

I am curious about the surface roughness specs for the shaft and bearings as well as the dimsional tolerances for the shaft and bearing.

Thanks

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Posted by: Cragyon ^®
Bart
02/08/2005, 14:49:21

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This depends on the actual load, surface area, material and operating environment. Typically, you will see a surface roughness 8 Ra or better for contact surfaces which are bronze.
Go to SKF, or other bearing manufacturers and research for a simular bushing. See what they use.
Report back!

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