The LRTZ809055 is an IKO Inner Ring from the IKO Inner Rings product series. It is a metric inner ring intended for assembly with RNA 6916UU bearings, according to the supplied product data.
The listed dimensions are:
The product data identifies the LRTZ809055 as an inner ring made from high carbon chrome steel. The right-side product listing also describes the material category as high carbon steel. The stated mass is 560.0 g.
The supplied bearing material field lists High Carbon Chrome Steel. No additional material grade, heat treatment, coating, or certification is specified in the available product data.
The LRTZ809055 is listed for assembly with RNA 6916UU. It belongs in the category path Brand > IKO > Inner Rings and is described as a metric, general-usage inner ring.
The product data lists the assembled bearing as RNA 6916UU. Compatibility should be checked against the required bearing arrangement and dimensions before selection or installation.