7 arcmin high Precision Helical planetary reducer gearbox 15:1 to 100:1 for Delta 130mm AC servo motor input shaft 22mmPLEASE READ THE FOLLOWING NOTICE BEFORE ORDER:1st:Reduction RatioThe reduction ratio of the planetary reducer you ordered is:2 level reducer ratio: 15:1,20:1,25:1,30:1,35:1,40:1,50:1,70:1,100:1The Ratios always stock offer: 15:1,20:1,25:1,30:1,35:1,50:1You should purchase directly.Please leave me message for the reduction ratio of the planetary reducer after order!The ratios need 15 days lead time:40:1, 70:1, 100:1PLEASE inquiry before order to verify lead time .Offered reduction Ratio:1 degree reducer ratio: 3:1,4:1,5:1,7:1,10:12 degree reducer ratio: 15:1,20:1,25:1,30:1,35:1,40:1,50:1,70:1,100:12nd:Input SizeWe will ship the planetary reducer as the normal dimension as follows:FrameShaft diameter of motorRabbetdiagonal Screw hole distance130mm22mm110mm145mmIf any question at the dimension of the planetary reducer, please write me the dimension drawing of your motor. We provide customize provider on your motor and can assist you desire the acceptable planetary reducer on your motor.the matched motor's size like below:3rd:ParametersWe can provide greater precision edition such as backlash three arc-min( P1 grade), 1 arc-min (P0 grade);If you've inquiry to customise the precision ,input and output dimensions, discount ratio please write meHere is the parameters of the planetary reducer: