Linear Sleeve Bearing, Inside Dia. 1/4 in, Outside Dia. 3/8 in, Material Aluminum, Color Not Applicable, Dimension B 0.377 in, Dimension C 0.5 in, Dimension L 0.49 in, Flange Dia. 1/2 in, Flange Thickness 1/16 in, Inside Dia. Tolerance +/-0.001, Length 1/2 in