Deep Groove Ball Bearings SKF 6008

The SKF 6008 deep groove ball bearing, with a 40 mm bore, 68 mm outside diameter and P6 tolerance class, offers high running accuracy for rotating shafts.

This single-row deep-groove ball bearing 6008, made from standard rolling-element bearing steel (100Cr6), primarily accommodates radial loads as well as moderate axial forces in both directions. The open design, without integrated sealing washers, allows for direct lubrication via the operational lubrication circuit. Fitted with a sheet steel cage and standard radial clearance, the bearing is designed for operating temperatures ranging from -20 to +120 degrees Celsius in industrial environments.

Where is the 6008 deep groove ball bearing primarily used?

Typical applications for the 6008 deep groove ball bearing include general mechanical engineering, as well as drive shafts and industrial gearboxes. Designs utilising the 40x68x15 mm dimensions are frequently found in enclosed housing systems, where lubrication is provided by a site-supplied oil or grease circulation system. Thanks to the increased running accuracy of the P6 version, the component operates with low vibration even at high speeds.

What are the advantages of P6 tolerance and the open design in the 6008 deep groove ball bearing?

Manufacture to tolerance class P6 (corresponding to ABEC 3) is characterised by lower dimensional and geometric deviations compared with standard tolerance. This property ensures smooth operation and precise guidance of the shaft. As there are no sealing lips in contact with the inner ring, no additional frictional resistance is generated within the bearing due to rubbing seals. Operation requires a clean installation environment or an external housing seal to prevent the ingress of dirt particles.