unit bearing fan motor can be used in automobile,precision machinery, ... etc Item: All types of Deep Groove Ball Bearings ;Type: Deep Groove Ball Bearings;Brand: CIE Material: Outer ring: chrome ... ring: chrome steel Gcr15, stainless steel 440c/420c/304c Ball: chrome steel Gcr15, stainless steel 440c/420c/304c ID ... ZZ Sealed, 2RS Sealed or Open1- unit bearing fan motor :60,62,63 series with open,Z,ZZ,RS, ...