The LRTZ758345 is an IKO Inner Rings series metric inner ring. It is identified for assembly with GTR8310845 and uses high carbon chrome steel material as listed in the supplied product data.
The product data lists a shaft diameter and inside diameter of 75 mm, an outer diameter of 83 mm, and a width of 46 mm. Additional listed values include a minimum radius of 1.00 mm, da minimum of 80.0 mm, and da maximum of 81.0 mm.
The supplied data identifies this inner ring for use with the assembled bearing designation GTR 8310845. It also lists a mass of 350.0 g. The product title describes the ring as metric and intended for general usage.
The listed material is high carbon chrome steel, while the detailed title also describes the item as high carbon steel. The assembly reference is GTR8310845, and the stated mass is 350.0 g. Verify all dimensions and compatibility with the mating part before ordering.