Inner Ring for Shell-Type Needle Roller Bearing IRT1515 - Metric 15 mm ID x 18 mm OD x 15.5 mm Width, High Carbon Steel, Fits TA1815Z, Single Piece, ideal for linear slide units

Metric inner ring for shell-type needle roller bearing
✔️ 15 mm ID x 18 mm OD x 15.5 mm width, fits TA1815Z, single piece

This is a single metric inner ring (IRT1515) for shell-type needle roller bearings, made of high carbon steel and used in linear slide units, gearboxes, and precision assemblies.

✅ I.D.: 15 mm, O.D.: 18 mm, Width: 15.5 mm
✅ Material: high carbon steel, tapered bore type
✅ Series: IRT1515, assembles with TA1815Z shell type
✅ Designed for needle roller bearing assemblies and linear slide units
✅ Single piece pack, compact 0.020 lb each for easy replacement

💡 What is an inner ring used for in needle roller bearing assemblies and linear slide units? An inner ring provides a hardened running surface and accurate fit for the rollers, helping maintain alignment and load distribution in bearing systems. This short intro explains common benefits: - Helps secure rollers in shell housings and ensures correct radial contact for needle roller bearing inner rings - Supports smooth motion in linear slide units and complements sealed ball bearing setups in mixed bearing cabinets - Adds durable high carbon steel wear resistance for precision assemblies and compact gearboxes