Overview Product Description Marathon 4730 Fan and Blower Motor APPLICATIONS: Designed for replacement of virtually any NEMA 48 and 56 frame belt drive furnace blower motors. PDQ models have 1-1/2 extended splined hub on opposite shaft end for quick and easy positioning of resilient ring to properly fit the pre-existing motor base. FEATURES: Ball Bearings, Continuous Duty, Automatic Thermal Protection, Rolled Steel. 1/4 HP 1725 RPM 48Y FRAME SPLIT PHASE 115 VOLT 5 AMP S.F. 1.35 DRIP PROOF CCW/CW ROTATION RESILIENT RINGS 1/2" X 1.5" SHAFT C-DIMENSION 9.78" Cross Reference: 5KH39QN9725T Product Videos Custom Field Product Reviews