Deep Groove Ball Bearings SKF 6203

The SKF 6203 deep groove ball bearing offers precise guidance with P6 dimensional accuracy and P5 running accuracy, whilst maintaining compact dimensions of 17 × 40 × 12 mm.

The SKF 6203 single-row deep groove ball bearing is designed primarily to accommodate radial forces as well as moderate axial loads in both directions. Manufactured from standard rolling-element bearing steel (100Cr6) in the SKF Explorer design, this rolling bearing is characterised by a tailored material grade and optimised surface finish. With normal radial clearance, the bearing is suitable for standard operating conditions without excessive thermal expansion or interference fits.

In which applications is the open deep-groove ball bearing 6203 used?

This rolling bearing is primarily used on high-speed rotating shafts where low-noise and low-vibration operation is required. Typical applications can be found in general mechanical engineering as well as in enclosed assemblies with externally supplied lubrication. As this is an open bearing without integrated sealing washers, the installation location requires an external housing seal to protect against dirt and moisture. Lubrication is provided either by oil or by grease applied to specific areas.

What advantages do tolerance classes P6 and P5 offer with this bearing?

The combination of dimensional accuracy to tolerance class P6 and running accuracy to class P5 reduces runout deviations and ensures precise shaft guidance. This minimises vibrations at medium to high speeds. The robust sheet steel cage guides the rolling elements with low friction within a temperature range of -20 to +120 degrees Celsius. Design engineers should select tight bearing seat tolerances when machining the shaft and housing in order to fully utilise the accuracy of this Explorer design.