1.For vacuum cleaner / air pump / power tool/massager 2.high torque,long life, ... .D. 3.175 mmBasic Structure: SECD housing / SECC end capApplication: Vacuum cleaner / Air pump / Power tool / Electrical Model Weight: Approx. 230g Basic ... Motors2-pole statorSr ferrite permanent magnet3, 5, 7, 8, 9, 12,16 slots armatureSilicon-steel lamination with epoxy coatingHigh-carbon steel ...