Because of the inner ring, outer ring, rolling body and cage in the structure of rolling bearings, the radial size is large, and the application is limited to some extent. When the radial dimensions are strictly required, needle roller bearings are optional. If necessary, plain bearings should be selected. For bearings that are inconvenient, or unable to be installed from the axial direction, and parts that must be divided and installed, open-sided sliding bearings should be selected.

2, high precision occasions

When the bearing has high precision requirements, the sliding bearing is generally selected, because the lubricating oil film of the sliding bearing can buffer and absorb vibration. When the precision requirement is very high, only the static sliding bearing can be selected. For precision and high precision grinding machines, various precision instruments, etc., sliding bearings are widely used.

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