1-1/8" Bore; 2 Grooves; 6-1/2" Outside Diameter; Finished Bore; No Bushing; 4L|A|5L|B|5V Belt Series; 4.7" Pitch Dia Min; 6.4" Pitch Dia Max; 1-5/8" Face Wid Min; 2-3/8" Face Wid Max; Keyway; Manual Turn Adjustment Method