Axial Deep Groove Ball B. SKF 51103

The SKF 51103 axial deep-groove ball bearing, with dimensions of 17 × 30 × 9 mm, is designed to accommodate single-sided axial loads in mechanical engineering applications.

The 51103 axial deep groove ball bearing is a separable rolling bearing designed to accommodate purely axial loads. It consists of a shaft ring with a 17 mm bore, a housing ring with an outer diameter of 30 mm, and a guided set of balls. SKF manufactures this single-row axial bearing from standard rolling-element bearing steel (100Cr6) to the standard tolerance class P0/PN (corresponding to ABEC 1). As the components can be fitted separately, the design facilitates step-by-step installation onto shafts and into bearing housings. The shaft ring, housing ring and cage assembly can be positioned independently of one another.

What is the 51103 single-direction axial deep groove ball bearing suitable for?

Design engineers use this bearing wherever axial forces act on the shaft exclusively from one direction. Typical applications include bearing arrangements where shafts need to be fixed axially in one direction. The component must not accommodate radial loads; therefore, users must support any transverse forces that arise using separate radial bearings. The overall height of 9 mm allows for compact designs in confined spaces.

What is important to consider when installing a bearing without angular adjustability?

This bearing is not angle-adjustable and is sensitive to misalignment between the shaft and the housing. A flat and perpendicular contact surface of the connecting parts relative to the axis of rotation is required to ensure that the rolling elements are supported evenly. The integrated sheet steel cage guides the balls during operation at temperatures ranging from -30 to +150 degrees. The product is designed for use without shims, so that the housing flange rests directly against a flat housing shoulder.