... .77Eff.(%)71.9At stallCurrent(A)74Torque(mNm)328.5 Unit Conversion: 1g.cm≈0.098mN.m≈0 ... Structure: SECD housing / SECC end capApplication: Vacuum cleaner / Air pump / Power tool / Electrical Model Weight: Approx. 230g ... Structure of Chengfang Motors2-pole statorSr ferrite permanent magnet3, 5, 7, 8, 9, 12,16 slots armatureSilicon- ... dc motor with 12v,diameter36.8mm,high rmp motor,used for air pump motor