... 20 years experience in special fastener 1,Name: Deep groove ball bearing;Deep groove bearing;Ball bearing2,For the similar bearing,what can we do ?(1), Ability for the ... material of this kind of bearing: Grade3.6,4.6,4.8,5.6,6.8,8.8,9.8 ... C3450,C27200,etcBronzeC51900,C60600,C17200,etcAlumimum100,5052,6061,6063,etc(2),Ability for the surface finish: ElectroplateZinc plated(while,colour,dacroment ...