BlackStar 50BS70 1 3/4 K2S - 50 Pitch Finished Bore Sprocket - 70 Tooth - 1-3/4" Bore Cogged Cogged V-Belt "sku":"10/SPA1575-PIX"

"sku":"10/SPA1575-PIX"

so the Megadyne 13/5VX500 interchanges with Gates

"sku":"TB072053260021"

66" Pitch Diameter 13

"text": "The 12/3V850 is rated for continuous operation from -22°F to 176°F

BlackStar 50BS70 1 3/4 K2S - 50 Pitch Finished Bore Sprocket - 70 Tooth - 1-3/4" Bore Cogged Cogged V-Belt "sku":"10/SPA1575-PIX"The BlackStar 50BS70 1 3 4 K2S is a 50 pitch Finished Bore roller chain sprocket with 70 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 3 4" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 50BS70 1 3 4 K2S Chain Pitch 50 Number of Teeth 70 Bore Size 1 3 4" Minimum Bore 1" Maximum Bore 1 15 16" Bore