Specifications Deep Groove Ball Bearing 1.Simple structure, the most widely used bearing 2.Low friction, high speed. Packaging & ... and also according to the quantity from customerSpecificationsDeep Groove Ball Bearing 1.Simple structure, the most widely used bearing 2.Low friction, ... applications where high speeds and low power loss are required. Model Specifications We have open sype, Z, ZZ, RS, 2RS ...