Bearings: Gearbox: Heavy Duty, Needle Roller. Motor: Heavy Duty Ball , Enclosure: TEFC , Finish: Black High Gloss Enamel , Full Load Amps: 1.2/0.6 , Gear Case Material: Die Cast Aluminum , Gear Material: Precision Machined and Hardened , Gear Type: AGMA Class 9 , Gears: Precision Machined and Hardened, AGMA Class 9 , Housing: Rolled Steel , Hz: 60 , Input HP: 1/4 , Insulation Class: F4 , Keyway Size: 0.18" Square x 1" , Length Less Shaft: 11.45" , Lubrication: Permanent Heavy Duty Gear Oil , Max. Ambient Temp.: 40 Degrees C , Motor Type: 3-Phase , Mounting: All Position Except Shaft Up , Overhung Load: 300 lb. , Phase: 3 , Rotation: Reversible , Seals: Single Lip, Spring Loaded, Heavy Duty , Shaft Orientation: Parallel , Thermal Protection: None , Voltage: 208-230/460 VAC