LRT505520 Single Inner Ring for Needle Roller Bearings, Metric 50 mm ID x 55 mm OD x 20 mm Width, High Carbon Steel Inner Race for Assembly with RNAF556820, Machined Type

Single inner ring LRT505520, 50 mm ID 55 mm OD 20 mm
✔️ High carbon steel inner race, metric, fits RNAF556820

This single inner ring is a machined inner race for needle roller bearings, commonly used in linear slide units, gearboxes, and industrial equipment where precise shaft fits are required.

✅ Model: LRT505520 (inner ring)
✅ Bore type: Tapered inner bore
✅ Dimensions: 50 mm ID x 55 mm OD x 20 mm width
✅ Material: High carbon steel, machined finish
✅ Compatible with: RNAF556820 needle roller bearing
✅ Pack size: single inner ring, sold individually

💡 What is an inner ring used for in needle roller bearings and linear slide units? A concise answer that explains its role and benefits. - It provides a hardened, precise contact surface for needle rollers, improving load distribution and reducing wear on shafts. - It helps maintain accurate alignment in linear slide units and compact assemblies for smoother motion and longer life. - Inner rings are handy when you need a proper inner race without reworking a shaft; they work alongside sealed ball bearing or ceramic options for specific needs.