"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 Round, Block Size in. 3/4, Bolt Hole Size in. 6/13, Mount Type 2-bolt, Dynamic Load Capacity lbs. 1,389, Dimensions L x W x H in. 4.45 x 2.36 x 1.3, Static Load Capacity lbs. 2,213."