51128 Thrust ball bearing 140x180x31mm

51128 The 51128 is a thrust ball bearing designed to support axial loads in a single direction. This bearing features a bore diameter of 140mm and belongs to the 511 series of thrust ball bearings. Thrust ball bearings are commonly used in applications requiring high axial load capacity with minimal space, including machine tool spindles, automotive transmissions, crane hooks, and vertical pump assemblies. They must be mounted on flat, rigid surfaces to ensure proper load distribution across the rolling elements.