BlackStar H100R45 - 100 Pitch R Sprocket - 45 Tooth Serpentine Belt 6/5VX500 is a standardized industry

6/5VX500 is a standardized industry size

"sku":"TB072053250237"

"mpn":"TB037256034930"

so the 5V670 interchanges with Gates 5V670

"sku":"TB072053462012"

BlackStar H100R45 - 100 Pitch R Sprocket - 45 Tooth Serpentine Belt 6/5VX500 is a standardized industryThe BlackStar H100R45 is a 100 pitch R roller chain sprocket with 45 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 H100R45 Chain Pitch 100 Number of Teeth 45 Bore Type Plain Bore Hub Style R Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 18. 63" Pitch Diameter 17.