Inner Ring IRT4530 Single Unit - 45 mm ID x 50 mm OD x 30.5 mm W, Metric tapered bore inner race for shell type needle roller bearings, high carbon steel, fits TA5030Z

Single inner ring IRT4530, 45x50x30.5 mm metric part
✔️ Tapered bore inner race for shell type - 45 mm ID, 50 mm OD, 30.5 mm W

This is a single metric inner ring (model IRT4530) for shell type needle roller bearings, commonly used in linear slide units, transmissions and industrial machinery. Sold as one unit.

✅ Model IRT4530, IRT metric series
✅ Dimensions: 45 mm ID x 50 mm OD x 30.5 mm W
✅ Tapered bore inner race for shell type needle roller bearings
✅ Material: high carbon steel for heavy duty use
✅ Compatibility: assembles with TA5030Z, sold as single unit

💡 What is an inner ring used for in needle roller bearings and linear slide units? An inner ring gives rollers a precise hardened race and keeps assemblies compact and handy. - Supports radial loads in needle roller and sealed ball bearing setups - Provides a precise bore for tapered or straight shafts in linear slide unit and transmission applications - Works alongside ceramic options or shaft adapters for improved fit and performance