525 or 530 dimensions

[Witt]

\r\n \r\n No one?\r\n

[Aaron Venable]

\r\n \r\n that\'s 530 ~0.343"
\n
\ni\'ve been doing a lot of roller chain and sprockets in cad lately, this page has some good info:
\n
\nhttp://www.gizmology.net/sprockets.htm\r\n

[Witt]

\r\n \r\n AutoCAD, SolidWorks?\r\n

[Aaron Venable]

\r\n \r\n eMachineshop and modeling in Creo\r\n

[Witt]

Trying to sell this sprocket, but don't know if it's 525 or 530. It measures to .337" on my calipers, which is between the two. Any know what 525 and 530 measure out to?