The NKE 61811-2Z-C3 is a genuine NKE single row deep groove ball bearing, featuring an inner diameter of 55 mm, an outer diameter of 80 mm, and a width of 13 mm. This robust bearing is equipped with two metal shields (2Z) on both sides to effectively protect against contaminants and retain lubricant, ensuring extended service life. It also incorporates a C3 internal clearance, indicating a greater than normal radial clearance, which is ideal for applications involving thermal expansion, high speeds, or slight misalignment. Weighing approximately 0.25 kg, this NKE bearing delivers reliable performance in various industrial and machinery environments.