Deep Groove Ball Bearings SKF 6305 -2RS1

The SKF 6305-2RS1 deep groove ball bearing, with dimensions of 25x62x17 mm, provides a bearing unit sealed on both sides for a wide range of industrial applications.

This single-row deep groove ball bearing 6305-2RS1 primarily supports radial loads and accommodates shafts subjected to moderate axial forces in both directions. SKF manufactures the bearing from roller bearing steel (100Cr6) with standard radial clearance and a sheet steel cage. The double-sided lip seals keep the lubricant inside whilst repelling dust and moisture. The bearing is designed for operating temperatures ranging from -20 to +120 degrees and is suitable for a wide variety of mounting configurations.

What is the 6305-2RS1 deep groove ball bearing suitable for?

This design is primarily used in rotating assemblies and bearing locations where dirt and moisture need to be kept away from the raceways. The double-sided seal arrangement protects the rolling elements from ingress of particles or moisture. At the same time, the sheet steel cage ensures uniform guidance of the balls during continuous rotational movement. Thanks to the cylindrical outer ring without a flange or groove, the bearing can be fitted directly into machined housing bores.

What is the function of the 2RS1 seal in this SKF bearing?

The suffix 2RS1 denotes contact seals fitted on both sides. The sealing lips rest against the inner ring and seal the interior of the bearing against external influences. In combination with the standard tolerance class P0 or ABEC 1 and normal radial bearing clearance, this SKF design forms a compact unit that can reduce the need for additional external sealing elements on the shaft.