Twin Roller Pillow Block, Center Height 2.125 in, Mount Hole Center to Center Width 5.25 in, Mount Hole Center to Center Length 10.5 in, For Shaft Type Round, System of Measurement Inch, Carriage Type Twin, Mounting Hole Diameter 0.40625 in, Shaft Center to Mount Hole Width 2.5 in, Bearing Material Aluminum Alloy, Mounting Bolt Size 3/8 In., Dynamic Load Rating 4,800 lb, Lubrication Grease Lubrication, Overall Width 6 in, Overall Length 12 in, Overall Height 3.5 in