ISO9001:2008 CE.ROHS.CCC More than 10years experience in gearbox area. Developing time:45Days. TT GearboxHOUSING Material: Zinc Alloybacklash, at ... bearingsradial play of shaft:<=0.05mmthrust play shaft:<=0.5mmthe gearbox can apply to 528,545,555,775,ZY40,ZY45,YJ61 ... ,CTN size:55×35×H18cm 24pcs/CTN G.W.15kgs GEARBOX