BlackStar H78A17Q - 78 Pitch A-Plate Sprocket - 17 Tooth Extra Heavy Duty 312 in Sheave Angle 40°

312 in Sheave Angle 40° Number of Bands 5 Length 75 in (Outside Circumference) Construction EPDM / Synthetic Rubber

"sku":"TB770075357742"

Pitch Profile 8M Pitch 8 mm Tooth Profile Modified Curved (GT) Tooth Location Single Side Number of Teeth 560 Width 36mm Length 4480 mm Material Polyurethane Reinforcement Carbon Cord Color White/Gray Temperature Range -20°F to 158°F

so the Megadyne D242 interchanges with Gates

"name":"D&D Global 12/3V740 V-Belt - 3V Section

BlackStar H78A17Q - 78 Pitch A-Plate Sprocket - 17 Tooth Extra Heavy Duty 312 in Sheave Angle 40°The BlackStar H78A17Q is a 78 pitch A Plate roller chain sprocket with 17 teeth, precision manufactured from SAE 1045 steel with induction hardened teeth for extended wear life and features machine cut tooth profiles for smooth, reliable chain engagement. Specifications Part Number H78A17Q Chain Pitch 78 Number of Teeth 17 Bore Type Plain Bore Hub Style A Plate Strand Count Single Material Steel Hardened Teeth Yes Approx. Weight 35. 600 lbs Cross