The IKO IRT4515 is listed in the Inner Rings series under the category path Brand > IKO > Inner Rings. The product title identifies it as a metric inner ring for shell type assembly with TA5015Z.
The bearing type is Inner Rings, and the brand is IKO. The supplied data lists the order number as IRT4515.
The data shows assembly with TA 5015Z for the TA_Z and TAM group. No assembled bearing is listed for the TLA_Z, TLAM, YT, or YTL groups.
The product title describes the IRT4515 as High Carbon Steel, while the list data records the bearing material as High Carbon Chrome Steel. The listed mass is 44.5 g, shown in the source data as 44,5 g.
The supplied product data identifies the material as high carbon steel in the title and high carbon chrome steel in the material field. It also gives the mass as 44.5 g; no additional material specifications are provided.