Axial Deep Groove Ball B. FAG 51109

The FAG 51109 axial deep-groove ball bearing, measuring 45x65x14 mm, is designed to accommodate unidirectional axial loads in mechanical engineering applications.

The FAG 51109 axial deep-groove ball bearing is designed as a separable bearing for unilateral axial loads. The design comprises a shaft disc, a housing disc and a guided ball set with a sheet steel cage. Manufactured from standard rolling-element bearing steel (100Cr6), this version is suitable for operating temperatures ranging from -30 to +150 degrees. The component complies with tolerance class P0/PN (ABEC 1) and is used for the axial guidance of shafts. Thanks to its separable design, the bearing discs and the ball-and-cage assembly can be fitted separately.

What loads can the 51109 axial deep groove ball bearing accommodate?

The 51109 axial deep groove ball bearing withstands axial loads from one direction and supports the shaft axially against the housing. Due to its design, this type of bearing cannot withstand radial forces; for this reason, designers typically combine the bearing with separate radial bearings in practice. Typical applications are found in general fixture and machine construction, where pure longitudinal forces in one direction need to be safely absorbed.

What is important when installing the single-acting bearing?

When installing this single-acting axial bearing, the connecting parts must be precisely aligned, as the bearing is not angularly adjustable. Misalignment between the shaft and the housing leads to an uneven distribution of load across the rolling elements. The shaft flange has a 45 mm bore and rotates with the shaft, whilst the housing flange, with an outer diameter of 65 mm, rests in the housing. As this version is supplied without a shim, flat mounting surfaces are required for installation.