The IKO IRT22301 is part of the IKO Inner Rings series and is listed under Brand > IKO > Inner Rings. Product information identifies it as a metric inner ring for shell type assembly, intended to assemble with the TA2830Z bearing.
The supplied data lists the assembled bearing as TA2830Z under the TA_Z and TAM bearing group. No compatible bearing is listed for the TLA_Z, TLAM, YT, or YTL groups.
Review the 22 mm shaft and inside diameter, 28 mm outer diameter, 30.5 mm width, 0.3 mm minimum rs value, and da range from 24 mm to 27.0 mm against the intended assembly requirements.
The product data identifies the bearing material as high carbon chrome steel, while the descriptive product information refers to high carbon steel. The listed mass is 55.5 g, shown in the source data as 55,5 g.
The order number is IRT2230-1, the model is IRT22301, and the bearing type is Inner Rings. The supplied material designation is high carbon chrome steel, with no additional material or certification details provided.