The DIH40 series brushless dc motors offer 4" diameter with neo magnets, integral Hall-effect sensors, and magnetics configuration that aids variable speed operation. Motors are available in standard frame lengths of 2.2", 2.8" and 3.3", providing continuous stall (and peak) torque ratings of 55 oz.-in. (120 oz.-in.), 110 oz.-in. (240 oz.-in.) and 175 oz.-in. (350 oz.-in.), respectively. Operating speeds are up to 12,000 rpm.