1. Product Overview 51110 is single direction thrust ball bearing, composed of shaft washer, housing washer and ball & cage assembly. It can only sustain unidirectional axial load and cannot bear any radial load. Simple structure, easy installation, suitable for low and medium speed vertical rotating positions. Widely used for vertical pumps, machine tools, jack equipment, gear assemblies and general vertical machinery. Formal quotation will be sent within 24 hours upon your