High quality bldc motor, BRUSHLESS DC MOTOR, Power 20W 105W, 42mm More with power 1w to 1000w available Model No.No.of PhaseRated VoltageLine to line resistanceRated SpeedRated TorqueMax torqueRated PowerBack W.M.FMassBody lengthVDCOhmsrpmN.mN.mWv/krpmKgmmBLS42-0013241.840000.06250.075263.660.3041BLS42-0023240.840000.1250.1552.53.720.4561BLS42-0033240.5540000.1850.2277.53.760.6581BLS42-0043240.5540000.250.31053.940.80100Dimensions diagram