Linear Pillow Block Bearing Inside Dia 1 1/2 in Material Aluminum Alloy Bearing Type Ball Body Width (In.) 3.5 in Color Silver Dimension a 4.75 in Dimension A1 1.75 in Dimension A2 3.5 in Dimension B 9 in Dimension E 6.5 in Dimension E1 4.125 in Dimension E2 0.75 in Dimension F1 0.5 in