BLDC motor, YHWM-37 has many features: (1) Long life and high reliability. Normally 20,000hours;sometime 80,000-100,000hours in special condition (2) High performance and smooth function (3) Intellectualization, mechanical and electrical integration, being easily control (4) Small volume and low power consumption (5) Low noise, no EMI (6) Rotation speed can reach 10,000rev/min or more, and be adjustable. the parameters as follows: Product Specs :Seven different kinds of specifications by your choice as follows :ModelRating voltage(V)Rating current(A)Rated Speed(rpm)No LoadSpeed(rpm)Power(W)ResistanceNoiseBearingLeadsYHWM37-66500200040003>10MΩ<32dBBall BearingC3-2P.UL1007.awg26.YHWM37-1212400300060004.8>10MΩ<32dBBall BearingC3-2P.UL1007.awg26.YHWM37-2424300350060007>10MΩ<32dBBall BearingC3-2P.UL1007.awg26.