Product Details
The IKO inner ring for shell type needle roller bearing is designed with an inner bore of 2-1/2 inches and an outer diameter of 2-3/4 inches, featuring a width of 32.13 mm, and is identified by part number IRB4020. These inner rings are heat-treated and precisely finished through grinding to ensure rigidity and accuracy. They are specifically utilized in situations where shafts cannot be hardened to a Rockwell hardness of HRC 58 to 64 and where achieving a surface finish of 0.2 μm Ra or less is not feasible.
