The LRT10011050 is an IKO Inner Ring from the Inner Rings product series. It is a metric inner ring listed for assembly with TR11013550.
The supplied product data identifies the following dimensions for the LRT10011050:
The LRT10011050 is listed to assemble with TR11013550. Its stated material is high carbon chrome steel, and the product title also describes it as a metric inner ring for general usage made from high carbon steel.
Confirm compatibility with the specified mating bearing and required shaft, seating, and edge-clearance dimensions before ordering.