2RS or 2 Rubber seals indicating they have lip seals on both sides and are pre-filled with grease for life, so no lubrication is required. The seals give some protection against ingress of moisture and contaminating particles entering the raceways, thus increasing the life of the bearing. Some applications require only 1 seal which can easily be removed
Static Capacity (lbs)
52100 High Carbon Chromium Alloy
Rheolube 374A Grease
CN = Standard Internal clearance
Rows of Balls
Image represents the series, but may not be the exact part
In the very unlikely event that we should not have available free stock in the listed brand, then a quality brand will be supplied.