1、The non-toothed single-row rotary support is composed of the inner ring and internal tooth outer ring of the main diameter in the same raceway, and the plug and oil hole are arranged on the outer ring.

2、Crossed roller slewing bearing's centre of raceway diameter series single center of rotary bearing raceway diameter series completely consistent, but the same race center of the diameter of the cross roller slewing bearing slewing bearing and single roll diameter, corresponding to the following:

Standard rotary support numbering method: