LRT152020 Inner Ring Tapered Bore 15 mm ID x 20 mm OD x 20.5 mm Width, Metric Needle Roller Bearing Inner Race, High Carbon Steel, Single Piece, Fits TR203320

Tapered bore inner ring LRT152020, 15 x 20 x 20.5 mm
✔️ Metric inner race, high carbon steel, single piece, fits TR203320

This is a machined tapered-bore inner ring sold as a single piece for needle roller bearings. It provides a hardened raceway for shafts and rollers, commonly used in linear slide units, sealed ball bearing assemblies, and general industrial machinery.

✅ Part number: LRT152020 inner ring (metric)
✅ Inside diameter (I.D.): 15 mm
✅ Outside diameter (O.D.): 20 mm
✅ Width: 20.5 mm
✅ Material: High carbon steel, machined raceway
✅ Fits assembly: compatible with TR203320 outer ring

💡 What is an inner ring for a needle roller bearing used for? An inner ring gives needle rollers a precise, hardened surface to roll against and supports shafts in compact assemblies. - Provides a tight raceway for needle rollers to increase load capacity and reduce wear - Used in linear slide units, sealed ball bearing setups, and compact transmission or gearbox applications - Helps with alignment when matching tapered bore rings to TR-type outer rings for easy press-fit installation