Bearing overhaul

Source: Bearing network time: 2014-07-25

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Bearing removal: When disassembling the lower bearing for inspection; first record the appearance of the bearing; recognize the residual amount of lubricant; after sampling and checking the lubricant; wash the bearing. As a scavenger; generally use gasoline, fire oil.
Removal of the removed bearing; coarse removal and fine removal; do not leave in the container; first put the metal mesh bottom; make the bearing not directly touch the container's dirt. When coarse removal; if the bearing is rotated with dirt ; will damage the rolling surface of the bearing; should pay attention to. In the rough removal of oil; use a brush to remove grease, adhesive; after cleaning; turn into fine washing.
Fine washing; the bearing is rotated while removing the oil; while carefully cleaning. Others; cleaning oil should always be kept clean.
Inspection and discriminating of bearings: In order to judge whether the disassembled bearing can be used; to check after the bearing is cleaned. Check the raceway surface, the rolling surface, the condition of the cooperation surface, the wear condition of the cage, and the addition of the bearing clearance. And damage with irrelevant scale accuracy; abnormal. Non-displacement small ball bearings; use one hand to support the inner ring horizontal; rotating outer ring to recognize whether it can flow.
Tapered roller bearings and other separate bearings; can be viewed on the rolling surface of the roll and outer ring.
Large bearings can not be rotated by hand; pay attention to the appearance of the rolling body, raceway surface, cage, rib surface, etc.; the higher the importance of the bearing, the more stable it is necessary to view.

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