VRB90 Helical gear planetary gearbox reducer ratio 1 level 3:1 4:1 5:1 7:1 10:1 for ninety frame 750W 1KW AC servo motor input shaft 16mmVRB collection precision planetary reducerProduct model: VRB-60/90/120/140/180Maximum output torque: 2.5 times the rated torquePrecision clearance of helical gear: ≤2 arc-minOperating temperature: -10℃~+90℃Product features: helical equipment double help structure design, large load-bearing torque, excessive precision, low noise, modular mass production, excessive cost performance, and a large number of stocks. Adapt to numerous brands of servo motors and stepping motors.NOTE:1st: Please write me your ratio after order.We can also supply Ratio:1 stage reducer ratio: 3:1,4:1,5:1,7:1,10:12nd:We will deliver the planetary reducer as the common dimension as follows:Frameinput Shaft diameterRabbetdiagonal Screw gap distance90mmS=16mmLB=80mmLA=100mm3rd: If any query at the dimension of the planetary reducer, please write me the measurement drawing of your motor. We provide customize carrier on your motor and may assist you to prefer the acceptable planetary reducer in your motor.Here is the parameters of the planetary reducer: