"This NorTrac pillow block features solid cast housing and top-quality advanced seals designed to prevent leakage and keep out dirt in your hydraulic application. Dynamic Load Capacity lbs. 4,444, Bolt Hole Size in. 4/5 x 1, Static Load Capacity lbs. 6,044, Dimensions L x W x H in. 6.26 x 4.49 x 2.46, Bolt Hole Shape Oval, Mount Type 2-bolt, Block Size in. 1 15/16."