The IKO IRT15302 belongs to the IKO Inner Rings series and is listed for shell-type use. The product data identifies the order number as IRT1530-2, with a metric bore and a high carbon steel construction description.
The inner ring has a shaft diameter and inside diameter of 15 mm, an outer diameter of 20 mm, and a width of 30.5 mm. Additional listed values include rs minimum of 0.3 mm, da minimum of 17 mm, da maximum of 19.0 mm, and mass of 32 g.
Product information identifies this inner ring for assembly with TA2030Z and TLA2030Z. Under the assembly lists, TA 2030Z is shown for TA_Z and TAM bearings, while TLA 2030Z is shown for TLA_Z and TLAM bearings. No assembled bearing is listed for YT or YTL references.