Electrical Type: DC Permanent Magnet HP: 1/4 RPM: 1750 Frame: 34 Enclosure: Totally Enclosed Fan Cooled Voltage: 90 Rotation: Reversible Overload: None Material: Rolled Steel Mounting: Round Amperage: 2.7 Shaft Type: Keyed AC/DC: dc KW: 0.19 Shaft Diameter: 0.500 Bearings DE Type: Ball Bearings ODE Type: Ball Shaft Extension: 1.380" UL and CSA Listed, Meeting NEMA MG1 standards.|Brush holder design provides easy access for motor maintenance.|Permanent magnet design ensures higher motor efficiency.|Permanently lubricated sealed bearings extend the lifetime of the motor.|Compatible with PWM or SCR type controllers.