Inaccurate problem one: Application parameter changes of 6704ZZ/61704ZZ result in excessive bearing load
Factors to consider when redesigning or renovating:
1. Increasing the external load on the bearing will generate more heat inside the bearing
2. Increasing the load will reduce the service life of the deep groove ball bearing 6704ZZ
3. Therefore, if changes are made to the design, the load should be checked and ensured that the load has not increased
Example:
Change the coupling drive to belt drive
Replace the coupling with a pulley
Increase the device speed.
measures:
Changes in equipment performance should be reviewed by the original equipment manufacturer, and installation must be carried out in accordance with the operating instructions for standard 6704ZZ bearings.
Inaccurate problem two: displacement deviation between two 6704ZZ bearings
Factors to consider during installation:
The two bearing seats are not in a straight line (horizontally or vertically).
This will result in additional loads on the bearings and ZZ seals, increasing friction and temperature, and reducing the service life of the bearings, seals, and lubricants.
measures:
Use appropriate equipment to align the two 6704ZZ bearing seats, and then use shims to re align longitudinally.
Misalignment problem three: The 6704ZZ bearing angles of the two devices are not aligned
Factors to consider during installation:
The two supporting surfaces are not aligned, and there is an angle between them.
This will result in additional loads on the bearings and seals, increase friction and temperature rise, and reduce the service life of the bearings, seals, and lubricants.
measures:
Use appropriate tools and washers to align the bearing seat.
The above case is applicable to the installation reference of most ball bearings with inner holes within 100MM. For more installation and usage solutions for stainless steel bearings and ball bearings, please contact us.
