The IKO LRT20022050 is listed as a metric inner ring with a shaft and inside diameter of 200 mm, an outer diameter of 220 mm, and a width of 50 mm. Additional supplied values include an rs min. of 1.50 mm, da min. of 208.0 mm, and da max of 218.0 mm.
The product data identifies the LRT20022050 as an Inner Ring within the IKO Inner Rings series. The listed bearing material is high carbon chrome steel, also described in the supplied title data as high carbon steel.
The supplied product information lists the assembled bearing reference as RNA 4840. The title also describes the inner ring as a metric, general-usage component intended to assemble with RNA4840. Confirm compatibility requirements directly against the relevant bearing or equipment specification before selection.