BlackStar D100R21 - Double Strand 100 Pitch R Sprocket - 21 Tooth Cotton Cleaner Belt "name":"Gates TP390L075 PowerGrip Twin Power

"name":"Gates TP390L075 PowerGrip Twin Power Timing Belts"

"name":"D&D Global 6/SPA1600 V-Belt — SPA Section

"mpn":"Bando-8PK1755"

Pitch Profile T10 Pitch 10 mm Tooth Profile Trapezoidal Tooth Location Single Side Number of Teeth 196 Width 10mm Length 1960 mm Material Polyurethane Reinforcement Aramid (Kevlar) Color White/Gray Temperature Range -20°F to 158°F

so the Megadyne 7/B66 interchanges with Gates

BlackStar D100R21 - Double Strand 100 Pitch R Sprocket - 21 Tooth Cotton Cleaner Belt "name":"Gates TP390L075 PowerGrip Twin PowerThe BlackStar D100R21 is a 100 pitch double strand R roller chain sprocket with 21 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. Specifications Part Number D100R21 Chain Pitch 100 Number of Teeth 21 Bore Type Plain Bore Hub Style R Strand Count Double Material Steel Outside Diameter 9. 04" Pitch Diameter 8. 387" Approx. Weight 21. 700 lbs Cross references: Browning