Plain Bushing Bearing Inside Dia 1/4 in Outside Dia 1/2 in Material Aluminum Color Black Dimension a 60 Degrees Dimension B 0.188 in Dimension C 0.75 in Dimension C1 0.519 in Dimension C2 0.041 in Dimension C3 0.125 in Dimension C4 0.08 in Dimension d 0.25 in Dimension D1 0.399 in Dimension D2 0.467 in Dimension E 0.094 in Dimension F 0.375 in Dimension G On Centerline Dimension L - For Use With Linear Motion Shafts Inside Dia Tolerance 0.0005 Length 3/4 in