The IKO IRT1519 is an Inner Ring within the IKO Inner Rings product series. It is listed under the category path Brand > IKO > Inner Rings and is identified by order number IRT1519.
The supplied data identifies the material as High Carbon Steel in the product title and as High Carbon Chrome Steel in the structured bearing material field. The listed mass is 11.7 g. It is intended to assemble with TA1819Z; the TLA_Z/TLAM and YT/YTL assembled-bearing fields are not specified.