The LRB566432 is an IKO inner ring within the Inner Rings product series. It is an inch-type inner ring for general usage, with an oil hole, and is intended to assemble with the BR648032 bearing.
The supplied data identifies the bearing material as high carbon chrome steel, while the product description references high carbon steel construction. The LRB566432 is listed for assembly with BR648032 and belongs in the Brand > IKO > Inner Rings category path.