IKO Inner Ring for Shell Type Needle Roller Bearing METRIC, 12mm Bore, 15mm OD, 22.5mm Width
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The IKO inner ring for shell type needle roller bearing is designed with a metric bore of 12mm, an outer diameter of 15mm, and a width of 22.5mm, identified by part number IRT1222. These inner rings are heat-treated and precision ground to achieve enhanced rigidity and accuracy. They are specifically utilized when shafts cannot be hardened to a hardness level of HRC 58 to 64 and when achieving a surface finish of 0.2 µm Ra or less is not feasible.
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