Can Bearings And Bearing Housing Be Over Greased?

Posted Tuesday, January 21st, 2020 | 704 views

When greasing and lubricating ball bearings you have to be careful not to over do it. Over-greasing a bearing can cause the bearing to push the grease out of the bearing housing, increase temperatures and create a substantial loss of energy.

Ball bearing exampleOver-greased bearings can cause excessively high operating temperatures, damage seals, and cause energy complications or complete failure.

Bearing and Housing Temperatures

The temperature of the bearings increase with too much grease because friction is increased and reduces the effectiveness of the lubrication.

Other reasons for bearing over-heating includes excessive operating temperatures, oxidation and cleaning products that could cause the bearing to seize.

Greasing or re-greasing bearings should be applied based on the dimensions of the bearing and the bearing housing.

The bearing housing should be 180°F (82°C). The ring works properly up to 200°F (93°C).




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