BLKbearing Co., LTD is specialized in research and development manu-facture sale -1 (SF) oil lubricated bois dynamic bearing, SF - 2 (DX) boundary lubrication bearing, bearings, flanging bushings, thrust washers, JDB copper 500 # solid inlaying lubricating bearings, slider, slide, SF - S bimetal bearings, ball bearings and FZ FB090 bronze
