Stainless steel corrosion oilite bushings SF-1S 1.material is stainless steel, alloy powder, ptfe etc 2.Good quality and price concessions, quality service 3. Type: Sleeve Product description SF - 1S stainless steel corrosion resistant bearing, is among the matrix of stainless steel materials, corrosion resistant alloy powder sintering surface rolling with ptfe gives priority to the low friction material, after rolling forming a kind of very effective anti-corrosion materials.