The NTN UC311D1 is a high-quality bearing insert designed for robust performance in various agricultural and industrial machinery. It features a 55mm bore diameter and a 120mm outer diameter. This insert bearing utilizes grub screw locking for secure shaft attachment and has a spherical outer ring geometry, allowing for initial misalignment. With a dynamic load rating of 43.2 kN and a static load rating of 29 kN, this genuine NTN component ensures reliable operation and extended service life.