Inner rings are commonly used in applications where the shaft cannot be used as the raceway of a needle roller bearing
. They can also be used to allow larger axial displacements of the shaft, or to provide optimal running surface to properly seal lips. Inner rings are commonly available in two different types, providing inch dimensions and metric dimensions. Ring material is most commonly bearing steel, although there can be different steel types and finishing processes. Raceways can be precision ground or machined. Some designs include variations such as an oil hole or chamfering to facilitate proper fittings
. MRO Supply offers a variety of inner ring brands and bore and diameter widths to accommodate any size bearing or application; it is often desired to use a wide ring to allow larger axial displacements. Ask our experts about which size and type of inner ring is needed to suit your application.