BlackStar H40BS30 1 K2S - 40 Pitch Finished Bore Sprocket - 30 Tooth - 1" Bore PowerGrip GT2 Twin Power Belts The 11/5V1320 has a 5/8"

The 11/5V1320 has a 5/8" width

"mpn":"TB072053462791"

2/BX86 is a standardized industry size

1230M12 Micro-V Belt

"text": "The 4/A70 is used for high-shock and high-vibration drives

BlackStar H40BS30 1 K2S - 40 Pitch Finished Bore Sprocket - 30 Tooth - 1" Bore PowerGrip GT2 Twin Power Belts The 11/5V1320 has a 5/8"The BlackStar H40BS30 1 K2S is a 40 pitch Finished Bore roller chain sprocket with 30 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. This sprocket has a 1" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H40BS30 1 K2S Chain Pitch 40 Number of Teeth 30 Bore Size 1"