BlackStar 100BS30 2 3/16 K2S - 100 Pitch Finished Bore Sprocket - 30 Tooth - 2-3/16" Bore Pitch-100 "name": "Is 12/D128 the same

"name": "Is 12/D128 the same as other brands' 12/D128

The 8/8V5000 has a 1" width

"sku":"TB037256202247"

What is the temperature rating of 7/8V1250

BlackStar 100BS30 2 3/16 K2S - 100 Pitch Finished Bore Sprocket - 30 Tooth - 2-3/16" Bore Pitch-100 "name": "Is 12/D128 the sameThe BlackStar 100BS30 2 3 16 K2S is a 100 pitch Finished Bore roller chain sprocket with 30 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 2 3 16" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 100BS30 2 3 16 K2S Chain Pitch 100 Number of Teeth 30 Bore Size 2 3 16" Minimum Bore 1 1 4" Maximum Bore 3