Overview Product Description Marathon B306 Fan & Blower Motor Applications: Residential & commercial fans & blowers where low starting torque is required (air conditioning, roof ventilators, & exhaust fans). Features: Ball bearings, Rolled Steel, Continuous duty 1/2 HP 1725 RPM SPLIT PHASE 115 VOLT 7.5 AMP S.F. 1.25 SINGLE SPEED DRIP PROOF SELECTIVE CCW ROTATION RESILIENT BASE - EXTENDED STUDS 1/2" X 1.88" - SINGLE SPECIAL EXTENSION C-DIMENSION 10.32" Consult Factory for Accessory Kit and/or Modification Selection 5/8" Thru-bolt, Shaft End 1/2" x 1-7/8" Shaft with 1-5/8" Flat Cross Reference: 048S17D2058 Product Videos Custom Field Product Reviews