The SKF 2112ZNR is a genuine deep groove ball bearing designed for robust performance. It features a 55 mm bore diameter, a 100 mm outer diameter, and a 21 mm width. The '2Z' designation indicates two metal shields on both sides, providing protection against contaminants, while 'NR' signifies a snap ring groove in the outer ring with a snap ring, facilitating axial location. This single row bearing is suitable for a wide range of industrial and agricultural applications requiring reliable rotation and load support.