Power Transmission Sheaves Sheave Styles: QD Bushing Sheaves H Bushing Sheaves Bore To Size Sheaves Sheave Grooves: 1 Groove 2 Groove 3 Groove 4 Groove 5 Groove 6 Groove 8 Groove 10 Groove Sheave Outside Diameters: 4.00 Inches through 50.00 Inches Hubs QD HubsSD Hubs3/4” through 1-7/8”SDS Hubs5-8” through 1-7/8”SK Hubs5/8” through 2-1/4”SF Hubs7/8” through 2-3/4”E Hubs1-3/16” through 3-1/2”F Hubs1-5/16” through 3-15/16”J Hubs2-1/4” through 4-7/16”M Hubs3-7/16” through 4-3/8” Product Inquiry Please enable JavaScript in your browser to complete this form.Name *FirstLastEmail *Phone #Comments *Submit Click Here to See Our Belt Lines