This unbranded 6405AC3NO deep groove ball bearing is a non-original replacement part, manufactured to the specifications of a standard 6405 C3 bearing. It features an inner diameter of 25 mm, an outer diameter of 80 mm, and a width of 21 mm. The C3 internal clearance is greater than normal, making it suitable for applications with higher operating temperatures or potential shaft misalignment. Deep groove ball bearings are versatile and widely used in various agricultural, industrial, and construction machinery for handling both radial and axial loads.