BlackStar H40BS15 1/2 2SS - 40 Pitch Finished Bore Sprocket - 15 Tooth - 1/2" Bore S14M "name":"Gates 3500-14MGT-40F PowerGrip GT4 Belts

"name":"Gates 3500-14MGT-40F PowerGrip GT4 Belts - 8M and 14M 95790591"

"text": "1170K7 has 7 ribs and a 117

312 in Sheave Angle 40° Number of Bands 5 Length 52 in (Outside Circumference) Construction EPDM / Synthetic Rubber

so the 18/D390 interchanges with Gates 18/D390

BlackStar H40BS15 1/2 2SS - 40 Pitch Finished Bore Sprocket - 15 Tooth - 1/2" Bore S14M "name":"Gates 3500-14MGT-40F PowerGrip GT4 BeltsThe BlackStar H40BS15 1 2 2SS is a 40 pitch Finished Bore roller chain sprocket with 15 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 2" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number H40BS15 1 2 2SS Chain Pitch 40 Number of Teeth 15 Bore Size