P1 grade backlash excessive Precision Helical tools planetary reducer gearbox 20:1 50:1 70:1 for 80mm 750W AC servo motor input shaft 19mmPLEASE READ THE FOLLOWING NOTICE BEFORE ORDER: 1st:Reduction RatioPlease want The discount ratio of the planetary reducer you ordered The ratios need 15 days lead timePLEASE inquiry earlier than order to confirm lead time .Offered discount Ratio:1 degree reducer ratio: 3:1,4:1,5:1,7:1,8:1,10:12 level reducer ratio: 15:1,20:1,25:1,30:1,35:1,40:1,50:1,70:1,100:12nd:Input SizeWe will deliver the planetary reducer as the typical dimension as follows:FrameShaft diameter of motorRabbetdiagonal Screw hole distance90mm19mm70mm90mmIf any query at the size of the planetary reducer, please write me the size drawing of your motor. We supply customize provider to your motor and might show you how to choose the suitable planetary reducer for your motor.The matched motor's dimension like below3rd:ParametersWe can offer increased precision version akin to backlash 3 arc-min( P1 grade), 1 arc-min (P0 grade);If you've got inquiry to customize the precision ,input and output dimensions, reduction ratio please write meHere is the parameters of the planetary reducer: