unit bearing fan motor can be used in automobile,precision machinery,electric tools,power tools,sports apparatus,machines, etc Item: All types of Deep Groove Ball Bearings ;Type: Deep Groove Ball Bearings;Brand: CIE Material: Outer ring: chrome steel Gcr15, stainless steel 440c/420c/304c Inner ring: chrome steel Gcr15, stainless steel 440c/420c/304c Ball: chrome steel Gcr15, stainless steel 440c/ ...