1. Deep groove ball bearings with dust cover Standard D-type deep groove ball bearings with Z-type and 2Z type

What is a non-standard bearing? How is the non-standard bearing defined?

1. Surface cleaning: Cleaning must be based on the nature of the surface of the rust-proof material and the conditions at that time

A mechanical part is composed of several surfaces

Deep groove ball bearings are the most common type of rolling bearings

Deep groove ball bearing inner and outer races are arc-shaped deep groove