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Requirements for bolts of slewing bearings

2022-04-21

1. Full threaded bolts cannot be used

2. Do not use old bolts, nuts and washers

3. It is forbidden to use open gaskets, such as elastic gaskets.

4. The size of the bolts used in the slewing bearing shall comply with the provisions of GB/T5782-2000 and GB/T5783-2000, and its strength grade shall not be lower than the 8.8 grade specified in GB/T3098.1-2000, and the appropriate one shall be selected according to the bearing force. power level.

5. When installing the slewing bearing, radial positioning should be carried out first, the installation bolts should be cross-tightened, and the rotation of the bearing should be checked.