1978 Article about Bearings (Rollers, Balls, Pins, Shells, Bushings)

...Each bearing type has its own job to do.

...there are bearings in your motorcycle's engine, gearbox, steering head, swing arm pivot, and wheels, just to hit upon the obvious...

1978 Bearing Basics 6-Page Article available at www.DadsVintageAds.com







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