Deskside Chat: Holes In Bushings (Video) | CCTY Bearing
In this deskside video chat, we learn why some bushings have holes in their structure.
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Deskside Chat: Holes in Bushings (Video)

Deskside Chat: Holes in Bushings (Video)

Keeping a good film of lubrication between the shaft and press-fit bushing is vital to motion control. In this video, John Sweetwood walks us through the circumference of a bearing and why holes are used in some applications.  

In this particular example, both oil and graphite lubricants are used. Sweetwood talks about how they work together and why both are present.