Maintenance removed the bearings, FAG bearings first record appearance, confirm that the residual amount of lubricant, after sampling, clean the bearings. Widespread use of cleaner gasoline, kerosene.
　　SKF bearings down clean, rough wash and intensive wash, put in a container with metal mesh, bearing no contact with dirt in the container. Rough when washing, if the bearings rotate with dirt will damage bearing rolling surface, should be noted. In crude oil wash, brush out grease, adhesive material, after basic clean, fine wash.
　　Intensive wash, is in cleaning oil side the bearing rotated, while carefully cleaned. In addition, but also to regularly replace clean cleaning oil.
　　Bearing maintenance and judgment
　　Will the judge removed NSK bearings when used in bearing checks after cleaning, carefully examine the Raceway surface, rolling, the status of the mating surfaces, wear of the cage and Suzhou increased bearing clearance and have no effect size precision damage, unusual for the decline. Non-separation of small ball bearings, flat side on the inner ring with single hand, rotate the outer ring to confirm smooth.
　　Tapered roller bearings are separable and the rolling element and the Raceway in the outer ring can be respectively checked.
　　Larger bearings cannot rotate, check rolling element and the Raceway, cage, sidewall surface appearance, higher importance need to be careful to check the bearing.
　　Judgment bearing will once again use, depends on the degree of damage to bearings in Suzhou, mechanical properties, significance, related factors such as operating conditions, check the cycle to decide. But when checking if any of the following defects, bearing should not be used, new bearing needs to be replaced.