Axial Deep Groove Ball B. SKF 51118

The SKF 51118 axial deep groove ball bearing accommodates unilateral axial loads for shaft diameters of 90 mm and is made from 100Cr6 rolling-element bearing steel.

The 51118 axial deep groove ball bearing accommodates axial forces in one direction and provides axial support for rotating shafts. The SKF unit has a bore of 90 mm, an outside diameter of 120 mm and a height of 22 mm. Thanks to the 100Cr6 material used in its manufacture, the bearing remains dimensionally stable at operating temperatures ranging from –30 to +150 degrees. The guided sheet steel cage distributes the rolling elements evenly across the raceways of the housing and shaft flange.

For which applications is the 51118 axial deep-groove ball bearing designed?

The 51118 axial deep-groove ball bearing is used in designs where purely axial forces act on the shaft in a defined direction. As this series is not designed to accommodate radial forces, this bearing is often combined with separate radial bearings. Typical applications can be found in general mechanical engineering, in gearboxes or spindle bearings with an axial guidance function. Due to its flat disc design, the bearing does not compensate for misalignment, which is why flat and perpendicular contact surfaces on the connecting structure are required.

What are the distinctive features of the single-acting design with a sheet steel cage?

The single-acting design of this bearing consists of a shaft disc, a housing disc and the ball-and-cage assembly situated between them. The integrated sheet steel cage guides the balls with low friction and is suitable for temperatures up to +150 degrees. The component complies with tolerance class P0 or ABEC 1. When designing the application, it must be borne in mind that this version is supplied without a washer and requires rigid mounting, as it does not allow for angular misalignment.