BlackStar D40Q72 - Double Strand 40 Pitch Q Sprocket - 72 Tooth Light Duty "name":"Continental CTD14M-2520-90 SYNCHROCHAIN CARBON"

"name":"Continental CTD14M-2520-90 SYNCHROCHAIN CARBON"

"sku":"32T10/1280US-D&D"

What does the H in 280H300 mean

com/s/files/1/0666/7721/products/3M_5M_8M_14M_HTD_Timing_Belt_53dffc78-b246-4ea3-98a6-888da31eb302

What does the AT10US in 16AT10/1080US mean

BlackStar D40Q72 - Double Strand 40 Pitch Q Sprocket - 72 Tooth Light Duty "name":"Continental CTD14M-2520-90 SYNCHROCHAIN CARBON"The BlackStar D40Q72 is a 40 pitch double strand Q roller chain sprocket with 72 teeth, precision manufactured from SAE 1045 steel and features machine cut tooth profiles for smooth, reliable chain engagement. Specifications Part Number D40Q72 Chain Pitch 40 Number of Teeth 72 Bore Type Plain Bore Hub Style Q Strand Count Double Material Steel Outside Diameter 11. 75" Pitch Diameter 11. 463" Approx. Weight 25. 000 lbs Cross references: Browning