... 5ISO9001:2008 certificate Powder metallurgy sintered oil bearing manufacturer with price list Features: 1High density and good strength2Good abrasion ... 3 Oil BearingsOil bearings, oilless bearings, bushing bearings, bearing shaft/block. 4 Aluminum Die CastingsAluminum die casting ... tolerance 0.02mm, 100% good quality with competitive price, good abrasion resistance, high density & hardness, high ...