BlackStar 50BS54 1 3/8 K2S - 50 Pitch Finished Bore Sprocket - 54 Tooth - 1-3/8" Bore AT5R com/products/d-and-d-15-3vk670-heavy-duty-v-belt"

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The D&D Global 300H200US is a synchronous timing belt with H-pitch profile

What is the temperature rating of 8/B66

"text": "6/B79 is a banded v-belt used on industrial drives - fans and blowers

BlackStar 50BS54 1 3/8 K2S - 50 Pitch Finished Bore Sprocket - 54 Tooth - 1-3/8" Bore AT5R com/products/d-and-d-15-3vk670-heavy-duty-v-belt"The BlackStar 50BS54 1 3 8 K2S is a 50 pitch Finished Bore roller chain sprocket with 54 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. This sprocket has a 1 3 8" bore with keyway and set screws and is ready for immediate installation. Specifications Part Number 50BS54 1 3 8 K2S Chain Pitch 50 Number of Teeth 54 Bore Size 1 3 8" Minimum Bore 1" Maximum Bore 1 15 16" Bore