NSK 6004NR Open Type Deep Groove Ball Bearing With Snap Ring 20x42x12mm

Deep Groove Ball Bearings with Snap Ring: A popular choice where the housings is part of a machine frame casing, these bearing types are manufactured without seals to allow the circulation of the oil or grease lubricant. The snap ring is made from a spring steel material and fits into an annular groove around the outside of the bearing which is offset to one side.
Benefits: Snap ring location in housings, Rubber and Metal Sealed versions available