The IKO IRT17161 is an inner ring in the IKO Inner Rings series. It is listed for assembly with TA2116Z and YT2116, with the order number recorded as IRT1716-1.
The product is classified as an Inner Ring. The listed bearing material is high carbon chrome steel, also described in the product title as high carbon steel.
The supplied data lists TA 2116Z under assembled bearings for TA_Z and TAM series, and YT 2116 under assembled bearings for YT and YTL series. No reference is listed for TLA_Z or TLAM assemblies.
The inner ring is identified under the category path Brand > IKO > Inner Rings. Its product title identifies it as a metric inner ring for shell-type use, intended for assembly with the referenced bearing parts.