BlackStar 50A43 21/32 - 50 Pitch A-Plate Sprocket - 43 Tooth - 21/32" Bore AT5R Section Pitch Profile T10 Pitch 10

Pitch Profile T10 Pitch 10 mm Tooth Profile Trapezoidal Tooth Location Single Side Number of Teeth 60 Width 75mm Length 600 mm Material Polyurethane Reinforcement Aramid (Kevlar) Color White/Gray Temperature Range -20°F to 158°F

"text": "16T5/1275US is a timing belt used on positive

and Jason Industrial SPZ3550

so a 1270-5M-25 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

BlackStar 50A43 21/32 - 50 Pitch A-Plate Sprocket - 43 Tooth - 21/32" Bore AT5R Section Pitch Profile T10 Pitch 10The BlackStar 50A43 21 32 is a 50 pitch A Plate roller chain sprocket with 43 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 21 32" bore and is ready for immediate installation. Specifications Part Number 50A43 21 32 Chain Pitch 50 Number of Teeth 43 Bore Size 21 32" Bore Type Plain Bore Hub Style A Plate Strand Count Single Material Steel Outside