The IKO IRT50451 is listed in the IKO Inner Rings product series. It is identified by the order number IRT50451-1 and belongs to the category path Brand > IKO > Inner Rings.
The supplied product data identifies the IRT50451 as an Inner Ring. It is described as metric, for shell type, and intended to assemble with TAW5545Z.
The data lists TAW 5545Z under assembled bearings for the TA_Z and TAM groups. No assembled bearing is listed for the TLA_Z, TLAM, YT, or YTL groups.
The supplied bearing material is High Carbon Chrome Steel. The detailed product description also refers to the inner ring as high carbon steel and states that it is designed to assemble with TAW5545Z.
Based only on the supplied data, the IRT50451 is specified as High Carbon Chrome Steel in the bearing material field. No additional material grade, certification, or application claims are provided.