... American ,(Din) 100Cr6---Germany4)Shield/Closure:Plain(Open),Z,ZZ,RS,2RS,UG.5)Vibration and Noisy level: Z1,Z2,Z3 ... containing a complement of precision balls. The standard Conrad-type bearing has a deep-groove construction capable of handlingradial and ... permit relatively high-speed operation.Features:1. Seals: Open Type, Sealed Type, Shielded Type;2. Cage: Machined Brass Cage, Steel Cage, Plastic ...