5 arcmin high Precision Helical planetary reducer gearbox 3:1 to 10:1 for NEMA34 86 stepper motor enter shaft 14mmPLEASE READ THE FOLLOWING NOTICE BEFORE ORDER:1st:Reduction RatioThe discount ratio of the planetary reducer you ordered is:1 degree reducer ratio: 3:1,4:1,5:1,7:1,8:1,10:1The Ratios constantly inventory offer: 3:1,5:1,7:1,8:1,10:1You should purchase directly.Please leave me message for the reduction ratio of the planetary reducer after order!The ratios want 15 days lead time: 4:1PLEASE inquiry earlier than order to substantiate lead time .Offered discount Ratio:1 stage reducer ratio: 3:1,4:1,5:1,7:1,8:1,10:12 stage 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 regular dimension as follows:FrameShaft diameter of motorRabbetdiagonal Screw hole distance90mm14mm73mm98.4mmIf any question at the measurement of the planetary reducer, please write me the dimension drawing of your motor. We offer customise provider in your motor and can assist you to prefer the acceptable planetary reducer for your motor.the matched motor's measurement as below3rd:ParametersWe can supply greater precision version such as backlash 3 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: