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Relubrication and running in

Relubrication

All SKF high temperature bearings are lubricated for the life of the bearing, except open VA201 deep groove ball bearings, which require relubrication.
The general recommendation for an open VA201 bearing is to investigate the quality of the lubricating paste in the bearing every six months. If there is no longer a film of dry lubricant on the raceways, indicated by a bright metallic shiny track, remove residues of the old lubricant with a solvent and, when dried, replenish the bearing with lubricating paste.

Running in

VA201 bearings operating at temperatures below 200 °C (390 °F) and at speeds below 25% of the limiting speed (→ product tables) require running in. Open VA201 deep groove ball bearings operating under these conditions also require running in after relubrication.
Running in requires the bearing to be operated at a temperature of at least 200 °C (390 °F) for a minimum of 48 hours.
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