FAG 6318-2RSR-C3 is a single-row deep groove ball bearing manufactured by FAG (Schaeffler). It features double rubber seals on both sides (2RSR) to protect against dirt and retain lubrication, and it uses a C3 radial clearance class. The 6318-2RSR-C3 designation identifies a sealed, higher-than-normal clearance variant within the 6318 series.
