Linear Pillow Block Bearing, Inside Dia. 1 1/4 in, Material Aluminum Alloy, Bearing Type Ball, Body Width (In.) 3.13 in, Bolt Size #10, Color Silver, Dimension a 4 in, Dimension A2 3.13 in, Dimension B 3.38 in, Dimension E 2 in, Dimension E1 3.5 in, Dimension E2 0.62 in, Dimension F1 0.44 in