Linear Pillow Block Bearing Inside Dia 5/8 in Material Aluminum Alloy Bearing Type Ball Body Width (In.) 1.75 in Color Silver Dimension a 2.5 in Dimension A1 0.88 in Dimension A2 1.75 in Dimension B 4 in Dimension E 3 in Dimension E1 2.125 in Dimension E2 0.37 in Dimension F1 0.28 in