1.ISO9001:2000 2.service :OEM 3.Supply sample for free 4.Material: Ring Material Chrome Steel ,Carbon steel,Stainless steel 2012 spherical roller bearings 23022: Model Number23022Brand NameBETTONStructurespherical TyperollerBore Size110mmOutside Diameter170mmwidth45mmSeals TypeOpenMaterialRing Material Chrome Steel ,Carbon steel,Stainless steelCage material Nylon ,steel , brass ClearanceC0,C2,C3, ...