... 1, basic: 200-1000r/min2, velocity-varied machine belt level gear reducer (I = 2.5-5) : 40-200r/min3 ... , velocity-varied machine belt secondary gear reducer (I = 7.1-25) : 8-140r/min4, ... ) : 2-23.5 r/min MB speed variator part type:MB02, MB04, MB07, MB15, MB22, MB40, MB55, ... 2, MB transmission gearbox and the X3 type once of cycloid gear choose molybdenum disulfide grease or lithium base ...