SKF - 60042RSC3SKF - Ball Bearing 6004 2RS C3

This deep-groove ball bearing supports a rotating shaft within a housing, handling both radial and moderate axial loads. It is a single-row, sealed bearing with a C3 internal clearance, meaning the radial internal clearance is greater than normal to accommodate thermal expansion or press-fit conditions. The 2RS designation indicates two rubber contact seals, one on each side, which retain grease and exclude contaminants during operation. This bearing is typically installed in applications such as gearbox input shafts, pulley assemblies, or fan drives on the host machine. A worn or contaminated bearing produces audible rumble and shaft play, which can lead to misalignment of the driven component. The manufacturer machines the raceways and balls to a consistent tolerance, so the bearing seats correctly in the housing bore without the need for selective shimming. When replacing, press the bearing onto the shaft using the inner ring only and into the housing using the outer ring only to avoid brinelling the raceways.