BlackStar 40BS51 7/8 K2S - 40 Pitch Finished Bore Sprocket - 51 Tooth - 7/8" Bore 14MK Section The 13/B240 is used for

The 13/B240 is used for high-shock and high-vibration drives

Is 6/D285 the same as other brands' 6/D285

The D&D Global 13/A67 is a standard V-belt featuring Classical A-section dimensions

"name": "Is 6/C136 the same as other brands' 6/C136

"name":"D&D Global 11/BK218 Heavy-Duty V-Belt - B Section

BlackStar 40BS51 7/8 K2S - 40 Pitch Finished Bore Sprocket - 51 Tooth - 7/8" Bore 14MK Section The 13/B240 is used forThe BlackStar 40BS51 7 8 K2S is a 40 pitch Finished Bore roller chain sprocket with 51 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 7 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 40BS51 7 8 K2S Chain Pitch 40 Number of Teeth 51 Bore Size 7 8" Minimum Bore 5 8" Maximum Bore 1 1 2" Bore Type