Axial Deep Groove Ball B. SKF 51214

The SKF 51214 single-direction axial deep groove ball bearing accommodates purely axial loads and, with dimensions of 70x105x27 mm, fits into defined housing seats.

The 51214 axial deep-groove ball bearing is a separable rolling bearing designed to accommodate high normal forces in one direction. The assembly consists of a shaft ring with a 70 mm bore, a housing ring with an outer diameter of 105 mm, and a guided ball set. SKF manufactures the components from standard rolling-bearing steel 100Cr6 to tolerance class P0/PN (corresponding to ABEC 1). A dimensionally stable sheet steel cage keeps the rolling elements at a fixed distance apart and guides them evenly in the ground raceways.

What loads does the 51214 axial deep-groove ball bearing accommodate?

This axial bearing is specifically designed to support thrust forces acting parallel to the axis. In general mechanical engineering, this design is used, for example, on vertical shafts to support static and dynamic loads in one direction. Due to its design, the arrangement cannot transmit radial forces. You should therefore always incorporate a separate radial bearing to centre the shaft during operation and to prevent transverse loads from acting on the discs.

What should be taken into account regarding single-direction loading and installation?

As a single-direction design, the bearing supports shaft movements in only one direction. The component has a flat housing disc and does not automatically compensate for misalignment. When designing the assembly, ensure that the mating surfaces are at the correct angle, as misalignment increases the edge pressure on the rolling elements. The permissible temperature range is between –30 and +150 °C. A suitable lubricant helps to minimise friction within the cage.