This double inlet blower wheel features a 11 7/8 inch diameter and a 10 11/16 inch width

a bronze sump variant is generally recommended by the manufacturer

With a 1/2" shaft and reversible rotation capabilities

Reduces risk of damage to valve stems and packing nuts

What happens if the power to the relay is lost

Greenheck 360100 Bearing 326058-757 This double inlet blower wheelThe Greenheck 360100 Bearing is a precision engineered 1 inch bore pillow block bearing designed for heavy duty HVACR ventilation systems. This industrial grade Greenheck replacement part features a high grade cast iron housing and a chrome steel ball element to maintain shaft alignment under high static pressure loads. Whether you are servicing a centrifugal fan or an axial power roof ventilator, this self aligning bearing compensates for minor shaft