Deep Groove Ball Bearings SKF 627 -Z

The SKF 627-Z deep groove ball bearing has compact dimensions of 7 × 22 × 7 mm and is primarily designed to accommodate radial loads in mechanical engineering.

The SKF 627-Z single-row deep groove ball bearing is made from standard rolling-element bearing steel (100Cr6) and belongs to the SKF Explorer performance class. With an inside diameter of 7 mm, an outside diameter of 22 mm and a width of 7 mm, this design is suitable for compact shaft constructions. A sheet steel cage guides the rolling elements evenly into the deep raceways. The component is designed for a temperature range of -20 to +150 degrees and has standard radial clearance.

What is the single-row deep-groove ball bearing 627-Z suitable for?

Design engineers and maintenance technicians primarily use this size in smaller electric drives, precision mechanical equipment and gear units. Thanks to its single-row design, the bearing can accommodate high radial forces as well as axial forces in both directions. The design without a ring groove on the outer ring allows for easy installation in smooth cylindrical housing bores. Thanks to its manufacture to tolerance class P0 (ABEC 1), the rolling bearing is suitable for standard applications in industrial drive technology.

What is the function of the single-sided Z cover plate?

The suffix ‘Z’ denotes a cover plate made of profiled sheet metal fitted on one side. This gap seal protects the interior of the bearing from coarse dirt particles without generating any additional sliding friction. The opposite, open side allows for direct relubrication via the housing’s lubricant chamber or installation in oil circulation systems. Before fitting, check the installation direction to ensure that the protected side faces the potential source of contamination.