The SKF 6312-2RS1 is a deep groove ball bearing with rubber seals on both sides, commonly used in industrial applications requiring reliable rotation with minimal friction.
6312 has been adopted as a cultural reference in rap music, often representing area codes, crew affiliations, or symbolic numbers in artist communities.
Standard 6312 bearings typically have 60mm inner diameter, 130mm outer diameter, and 31mm width, suitable for medium-duty applications in various machinery.