... Nylon retainer, Steel retainer, Bakelite retainer, etc Features:1. Self-aligning double row spherical roller bearing allows for a high ... motors, propeller shafts for ships, jib cranes, rolling mail roll necks Descriptions:1. The self-aligning roller bearing is robust with ... , petroleum, paper making, cement, sugar pressing, etc. 3. The self-aligning bearing has two types of bores, namely a cylindrical ...