Tisco 134182 Bushing Bushing, Sickle Head Mower Conditioners: 460, 461, 467, 469 Using Head Assembly 219986 Inner Diameter: 1/2"; Outer Diameter: 1 7/8"; Inside Length: 1 3/4"; Outside Length: 1 1/2" Replaces Part Numbers: B820381B ,491KP134182 ,B82-0381B ,A920434 ,A-920-434