A:Maintenance depends on the type of enclosures and lubricants your bearings have. Rubber sealed or Ultra sealed bearings require no maintenance and the lube is good for the life of the bearing. Metal shielded bearings that use either grease or oil should be constantly maintained and frequency level with vary depending on your application. Oil dissipates faster than grease, so typically shielded bearings using oil as lubrication will require constant care. Developing a regular maintenance schedule will substantially add to the life of your bearing.

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