Linear Pillow Block Bearing, Inside Dia. 3/4 in, Material Aluminum Alloy, Accelerated Speed 450 fps, Bearing Type Ball, Body Width (In.) 1.88 in, Bolt Size -, Dimension A2 (In.) 1.88 in, Dimension A (In.) 2.75 in, Dimension B -, Dimension B (In.) 4.5 in, Dimension C -, Dimension C (In.) -, Dimension D (In.) -, Dimension E -, Dimension E1 (In.) 2.375 in, Dimension E (In.) 3.5 in, Dimension F1 (In.) 0.31 in