... Approx. 200g Basic Structure of Chengfang Motors2-pole statorSr ferrite permanent magnet3, 5, 7, 8, 9, 12,16 slots ... self-aligning Cu-Fe alloy sintered bushes155oC (class F) magnet wire↓↓↓↓↓Customerized OptionsLeadwires with connector / pinsEMI suppression componentsPTC or ... encoderLow-cogging torque design180oC (class H), 200oC (class C) magnet wire-40oC ~ 220oC bearing lubricantNeodymium magnets