BlackStar H10B31 - British Standard Sprocket - #10 Pitch 31 Tooth TL1215 v=1750367659"

v=1750367659"

so a 2520-8M-20 from any major manufacturer shares the same dimensions and runs on the same pulleys/sheaves

"sku":"1616-8MK-30-D&D"

Specifications Part Number 2B5V200 Product Type Split Taper Sheave Number of Grooves 2 Belt Profile 5V (Wedge) Bushing Required Split Taper Bushing Material Cast Iron Pitch Diameter 20

BlackStar H10B31 - British Standard Sprocket - #10 Pitch 31 Tooth TL1215 v=1750367659"The BlackStar H10B31 is a British Standard #10 pitch B Hub roller chain sprocket with 31 teeth, manufactured from steel. British Standard sprockets meet ISO 606 specifications for chain drives in metric and imperial European applications. Plain bore design finish to required shaft size during installation. Specifications Part Number H10B31 Product Type British Standard Sprocket Standard ISO 606 British Standard #10 Chain Pitch #10 Hub Style B Hub