Tapered roller bearings consist of four interdependent components: the cone, or inner ring; the cup, or outer ring; the tapered rollers, or rolling elements; and the cage, or roller retainer. The taper angles allow the bearing to handle a combination of radial and thrust loads. The steeper the cup angle, the greater the ability of the bearing to handle thrust loads.

• Two double cones, two single cups and a double cup with a cone spacer and two cup spacers
• Spacers have slots or holes for lubrication
• Cone spacers are hardened to reduce face wear
• Numbered serially to assure correct installation sequence