Inner Ring for Needle Roller Bearing LRT455240, Metric 45 mm ID x 52 mm OD x 40 mm Width, High Carbon Steel replacement inner race, Single piece for RNA6909 assembly, precision linear slide unit use

Precision needle roller inner ring LRT455240 45 x 52 x 40 mm
✔️ Single inner ring, high carbon steel, fits RNA6909 assemblies

This single inner ring is a machined metric inner race for needle roller bearings. It's commonly used in linear slide units, transmissions, and compact rotary assemblies where a hardened running surface and precise bore are needed.

✅ Model: LRT455240, Metric LRT series, single inner ring
✅ Bore type: tapered; inside diameter 45 mm, outside 52 mm, width 40 mm
✅ Material: high carbon steel, machined finish for reliable roller contact
✅ Application: fits RNA6909 needle roller assemblies, ideal for linear slide unit use
✅ Pack: single piece (each), general-purpose industrial and automation gear

💡 What is an inner ring for a needle roller bearing used for in linear slide units? An inner ring serves as the hardened running surface and precise bore that guides needle rollers. - Supports radial loads and keeps needle rollers aligned for smooth linear slide unit motion. - Offers a compact, precise inner race option for rotary and automation assemblies. - Choose the correct inner race model to match the bearing (e.g., RNA6909 compatibility).