Would you like a cone or cup? This bearing comes with both! This single-row tapered roller bearings has the capacity to carry radial and axial load in one direction simultaneously (cone + cup). The sliding motion between the inner ring and flange and the roller end is the primary heat generation source. They have optimized the design of this critical area to reduce heat build up. The featured 32005 bearing is a metric standard taper bearings and measures 25mm x 47mm x 15mm and is made of chrome steel.