BlackStar H41BS25 1 K2S - 41 Pitch Finished Bore Sprocket - 25 Tooth - 1" Bore Bearing Seal "text": "The 4/3V530 has a

"text": "The 4/3V530 has a 3/8\" width

so a 12/C81 from any major manufacturer shares the same cross-section and length and runs on the same sheaves

The Diesel Belting Timing Belt L Section

Specifications Part Number H100SDS22 Chain Pitch 100 Number of Teeth 22 Bore Type QD Hub Style QD Bushing Required QD Type SDS Bushing Strand Count Single Material Steel Hardened Teeth Yes Outside Diameter 9

BlackStar H41BS25 1 K2S - 41 Pitch Finished Bore Sprocket - 25 Tooth - 1" Bore Bearing Seal "text": "The 4/3V530 has aThe BlackStar H41BS25 1 K2S is a 41 pitch Finished Bore roller chain sprocket with 25 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 H41BS25 1 K2S Chain Pitch 41 Number of Teeth 25 Bore Size 1"