The IKO LRB202420 is an inner ring within the IKO Inner Rings product series. It is listed for inch usage, general usage, and assembly with BR243320 bearings. The product category path is Brand > IKO > Inner Rings.
The supplied data identifies the bearing type as Inner Rings and lists the material as High Carbon Chrome Steel; the detailed title also describes it as high carbon steel. The ring includes an oil hole and is referenced for assembly with BR 243320.