... equipment. Be able to manufacture all kinds of screw support block and sliding platform, have high precision machining, guaranteed quality, reasonable price ... per) without bearingBUK-642 X 20 X 25 0.10Bearing support blocks, support blocks, nuts, cover, sleeve 150.00 BUK-852 X ... , sleeve 220.00 BUK-25105 X 48 X68 2.91Bearing support blocks, support blocks, nuts, cover, sleeve 260.00 FOBtianjin:22$ ( ...