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. Bolt Hole Shape Oval, Dynamic Load Capacity lbs. 4,444, Static Load Capacity lbs. 6,044, Block Size in. 1 15/16, Mount Type 2-bolt, Bolt Hole Size in. 4/5 x 1, Dimensions L x W x H in. 6.26 x 4.49 x 2.46.