KD040XP0 Thin Section Bearing X Four-Point Contact Slim Bearing ID 4" OD 5" Width 1/2"KD040XP0 Slim Type Bearing X Type Four Point Contact 4" x 5" x 0. 5" Open, High Precision Inch Series The KD040XP0 is a four point contact slim bearing engineered for applications requiring simultaneous radial and axial load handling in both directions. With a 4" inner diameter and a compact 1 2" cross section, it offers rigidity and versatility in tight spaces. This open design bearing is perfect for robotics, rotary tables, and precision mechanisms