BlackStar 50BS48 1 K2S - 50 Pitch Finished Bore Sprocket - 48 Tooth - 1" Bore AT5 Section 16/SPB2530 is a standardized industry

16/SPB2530 is a standardized industry size

so the Megadyne 9/5V1250 interchanges with Gates

The 500J42 Micro V Belt J Section 50in OC 42 Ribs Diesel Belting is a Micro-V (multi-ribbed) belt with Micro-V J-section dimensions

Belt Section J Rib Count 12 Width 1708

"sku":"3750-5M-380-D&D"

BlackStar 50BS48 1 K2S - 50 Pitch Finished Bore Sprocket - 48 Tooth - 1" Bore AT5 Section 16/SPB2530 is a standardized industryThe BlackStar 50BS48 1 K2S is a 50 pitch Finished Bore roller chain sprocket with 48 teeth, precision manufactured from SAE 1045 steel 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 50BS48 1 K2S Chain Pitch 50 Number of Teeth 48 Bore Size 1" Minimum Bore 1" Maximum Bore 1 15 16" Bore Type Finished