... long service life,including tapered roller bearing,cylindrical roller bearing,spherical roller bearing,thrust bearing,ball bearing,rolling mills bearing based on min id 60mm. ... Precision:P0,P6,P5,P45.Cage: brass,steel6.Material: GCr15,GCr15SiMn.G20Gr2Ni4A7.Place of Origin:Wafangdian of China8.Quality Assurance ... produce bearings according to customers’s drawings&samples 6256M deep groove ball bearing