BlackStar H100S30 - 100 Pitch Split Taper Sprocket - 30 Tooth 4.7/16" "text": "The C54 is rated

"text": "The C54 is rated for continuous operation from -22°F to 176°F

16/B181 is a standardized industry size

The A71 has a 1/2" width

"text": "The 13/3VX530 is used for high-shock and high-vibration drives

BlackStar H100S30 - 100 Pitch Split Taper Sprocket - 30 Tooth 4.7/16" "text": "The C54 is ratedThe BlackStar H100S30 is a roller chain sprocket, 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. Requires a Split Taper Bushing (sold separately). Specifications Part Number H100S30 Bore Type Plain Bore Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 12. 64" Pitch Diameter 11. 959" Approx. Weight 33.