The IKO LRB222620 is classified as an Inner Ring within the IKO Inner Rings product series. It is an inch-series inner ring described for general usage and is intended to assemble with the BR263520 bearing. The product data identifies an oil hole as part of its design.
The product heading describes the material as high carbon steel, while the listed bearing material states high carbon chrome steel.
The supplied product data lists the assembled bearing designation as BR 263520, and the product title states that the LRB222620 is to assemble with BR263520. Compatibility should be checked against the required inner ring dimensions, shaft diameter, and the matching BR263520 bearing assembly before selection.