The IKO IRT10121 is part of the IKO Inner Rings series and is listed under Brand > IKO > Inner Rings. The product data identifies it as an inner ring for shell-type assembly, with order number IRT1012-1.
The inner ring is branded IKO, and the bearing type is listed as Inner Rings.
The supplied data lists a shaft diameter and inside diameter of 10 mm, an outer diameter of 15 mm, and a width of 12.5 mm. The ring material is specified as high carbon chrome steel, and its mass is listed as 9.4 g.
The product data specifies high carbon chrome steel and a mass of 9.4 g.
The product data identifies the IRT10121 for assembly with TA1512Z and TLA1512Z. The data lists the assembled bearing groups as TA_Z/TAM and TLA_Z/TLAM; no assembled bearing is listed for the YT or YTL groups.
According to the supplied data, the named assemblies are TA1512Z and TLA1512Z.