LRT657225 Inner Ring, Metric Tapered-Bore 65 mm ID x 72 mm OD x 25 mm Width, High Carbon Steel, For Assembly with RNA4913 Needle Roller Bearing, Single Unit, General Industrial Use

Metric tapered-bore inner ring 65 mm x 72 mm x 25 mm
✔️ Tapered bore; high carbon steel; fits RNA4913; single unit

This single metric inner ring LRT657225 is for needle roller bearings used in general industrial applications, like linear slide units, conveyor rollers, and compact machinery where reliable radial support is needed.

✅ Part number: LRT657225 (inner ring)
✅ Bore type: Tapered; ID 65 mm
✅ Outer diameter: 72 mm; Width: 25 mm
✅ Material: High carbon steel; machined type
✅ Fits: RNA4913 needle roller bearing; single unit
✅ Weight: 0.320 lb; SKU: 862024

💡 What is an inner ring used for in a needle roller bearing assembly? An inner ring provides the hardened raceway and accurate positioning that needle rollers need for dependable radial load support. - Provides a hardened rolling surface that supports needle rollers and maintains precise radial alignment for linear slide units and rotary shafts. - Helps reduce wear in conveyor rollers, gearboxes, and sealed ball bearing applications by keeping rollers centered and load distributed. - Handy for maintenance swaps and upgrades; check metric dimensions and compatibility (65 mm ID x 72 mm OD x 25 mm width) and confirm fit with RNA4913 for proper assembly.