Inner ring LRT17019060 tapered-bore metric race for needle roller bearing RNA4934, 170 mm ID x 190 mm OD x 60 mm width, high carbon steel, machined for linear slide unit use, single piece

Tapered metric inner ring 170 x 190 x 60 mm
✔️ ID 170 mm, OD 190 mm, Width 60 mm, tapered bore, high carbon steel

This single machined inner ring fits needle roller bearing assemblies and is typically used in linear slide units, industrial machinery and other metric applications requiring a precise tapered bore.

✅ Model LRT17019060, Metric LRT Series
✅ Fits RNA4934 assemblies with machined tapered bore
✅ Dimensions: ID 170 mm, OD 190 mm, Width 60 mm
✅ Material high carbon steel, weight 5.680 lb, single piece pack
✅ Suitable for linear slide unit setups, sealed ball bearing housings, ceramic component pairings

💡 What is an inner ring for needle roller bearings used for in linear slide units and other machinery? An inner ring supplies the hardened raceway and precise fit that needle rollers need for consistent operation and load sharing. - Provides a smooth raceway to support radial loads and reduce roller wear for longer service life. - Keeps alignment and concentricity in linear slide unit assemblies and pairs well with sealed ball bearing housings. - Can be used alongside ceramic components for reduced friction when the application requires it.