... Details2. Bearing Details Linqing Yuanyi(UJK) Bearing Factory1MaterialChrome Steel Gcr15 , Carbon steel Gcr11 , Stainless steel2Grease/OilGood quality3CageSteel , Brass ... prevention9.Product packaging10.UJK Brand10ServiceOEM11ApplicationHome appliances, low noise and high speed electric motors, automotive components, pumps ... : Xingya Chen4. Bearing Pictures ball and roller bearings ,chrome steel gcr15