1.ISO9001:2000 2.service :OEM 3.Supply sample for free 4.Material: Ring Material Chrome Steel ,Carbon steel,Stainless steel 2012 ABEC-1 1201 self-aligning ball bearing : Model Number1201Brand NameBETTONStructureself-aligningTypeballBore Size12mmOutside Diameter32mmwidth10mmSeals TypeOpenMaterialRing Material Chrome Steel ,Carbon steel,Stainless steelCage material Nylon ,steel , brass ClearanceC0, ...