The INA-FAG IR30X38X20-IS1-XL is a precision-engineered inner ring designed for use with needle roller bearings. It features a hardened and ground raceway surface, making it ideal for applications where the shaft cannot be hardened or used directly as a raceway. With an inner diameter of 30mm, an outer diameter of 38mm, and a width of 20mm, this inner ring ensures optimal performance and extended bearing life in various industrial machinery applications. The IS1 design variant and XL designation indicate enhanced quality and performance.