LRT152013 Single Metric Inner Ring for Needle Roller Bearings, 15 mm ID x 20 mm OD x 13 mm Width, Carbon Steel Inner Race, Fits RNA4902 & RNAF202813, Linear Slide Unit Ready

Single metric inner ring LRT152013 for needle bearings
✔️ 15 mm ID x 20 mm OD x 13 mm W, carbon steel, fits RNA4902 & RNAF202813

This single LRT152013 inner ring is a machined needle roller bearing race used in industrial roller assemblies, linear slide units and compact drive systems where a precise inner race is required.

✅ Type: Inner ring (needle roller bearing inner race), LRT series
✅ Dimensions: 15 mm bore x 20 mm outside diameter x 13 mm width
✅ Material: High carbon steel, machined finish for bearing contact surfaces
✅ Compatible with: RNA4902 and RNAF202813 needle roller assemblies
✅ Typical use: General industrial, linear slide unit applications and bearing housings
✅ Pack: Single unit, sold as one inner ring

💡 What is an inner ring used for in needle roller bearing assemblies and when should I replace it? The inner ring provides the hardened running surface and maintains roller alignment; replace when wear, pitting, corrosion, or fit issues affect performance. Quick tip: a handy inspection routine catches problems early. - Ensures correct roller contact and load distribution for needle roller assemblies and linear slide units - Replace if you see scoring, spalling, noise, or bore ovality that impacts alignment - Match inner race specs to mating parts and consider sealed ball bearing or ceramic upgrades only where appropriate