Single IRT6040 inner ring, metric 60 mm ID x 70 mm OD x 40.5 mm W, high carbon steel replacement for shell-type needle roller bearing assemblies compatible with TA7040Z, ideal for linear slide units

Single IRT6040 Inner Ring, 60 x 70 x 40.5 mm
✔️ Metric inner ring 60×70×40.5 mm, high carbon steel, fits TA7040Z

This is a single metric inner ring (IRT6040) for shell-type needle roller bearing assemblies. It’s used as the inner race in industrial gearboxes, linear slide units, and sealed ball bearing setups where a hardened carbon-steel race is required.

✅ Model: IRT6040 metric inner ring
✅ Dimensions: 60 mm ID × 70 mm OD × 40.5 mm W
✅ Material: acciaio ad alto tenore di carbonio, pista interna temprata
✅ Application: shell-type needle roller bearings, to assemble with TA7040Z
✅ Pack: single inner ring; weight ~0.700 lb each

💡 What is an inner ring used for in needle roller bearing assemblies? It’s the precision inner race that supports rollers and keeps shaft alignment tight. - Provides a smooth running surface for rollers and maintains radial load support - Keeps shaft positioning accurate in linear slide unit and gearbox applications - Works alongside outer shells and seals in sealed ball bearing setups for longer life