The NKE 6311-2Z-NR is a high-quality single row deep groove ball bearing designed for robust performance. Featuring an inner diameter of 55 mm, an outer diameter of 120 mm, and a width of 29 mm, this bearing is equipped with two non-contact metal shields (2Z) to protect against contaminants and retain lubricant. The 'NR' designation indicates it includes a snap ring groove and a snap ring, facilitating axial location in housings. Manufactured by NKE, this bearing ensures efficient and durable operation in various industrial and agricultural applications.