This is a A-BX40 Cogged Classical V-Belt (5/8" X 43") PN: BX40Main Description As Following : A-BX40 Cogged Classical V-Belt (5/8" X 43") P.N: BX40 5/8 X 43 B Section Cogged Polyester CordColor: BlackDepth: 13/32"Length: 43Material: Polyester CordOC Length: 5/8" X 43"Thickness: 0.381Top Width: 5/8"Type: B Section CoggedWidth: 5/8 Crossed From: 36402 NORTHERN TOOL AND EQUIPMENT Found in Section & Models : Industrial Belts > BX-Section Cogged Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : 5/8" x 43" B Section Cogged Polyester Cord Color: Black Depth: 13/32" Length: 43" Material: Polyester Cord OC Length: 5/8" X 43" Thickness: 0.381" Top Width: 5/8" Type: B Section Cogged Width: 5/8"