This is a A-A45.5 Classical V-Belt (1/2" X 47.5") PN: A45.5Main Description As Following : A-A45.5 Classical V-Belt (1/2" X 47.5") P.N: A45.5 1/2 X 47.5 A-Section Polyester CordColor: BlackDepth: 5/16"Length: 47.5Material: Polyester CordOC Length: 1/2" X 47.5"Thickness: .315Top Width: 1/2"Type: A-SectionWidth: 1/2 Replaces: A-4L475 IND. 4L SECTION BELT , Crossed From: 308437 HAHN , 74510744 ALLIS-CHALMERS Found in Section & Models : Industrial Belts > A-Section Wrapped Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : 1/2" x 47.5" A Section Polyester Cord Color: Black Depth: 5/16" Material: Polyester Cord OC Length: 1/2" X 47.5" Top Width: 1/2" Type: A-Section