KC030CP0 Thin Section Bearing ID 3" OD 3-3/4 Width 3/8"KC030CP0 Slim Section Bearing Open Type 3" ID x 3 3 4" OD x 3 8" Wide Brass Cage The KC030CP0 is a slim section radial bearing designed for compact and lightweight applications where space is tight but strength is essential. With a 3 8" cross section and brass cage, this open bearing is perfect for robotics, automation arms, and aerospace mechanisms. Inner diameter (ID): 3" inch Outer diameter (OD): 3. 75" inch Width: 0. 375" inch (3 8") Cross