Single Inner Ring for Needle Roller Bearing, Metric 80 mm ID x 90 mm OD x 54 mm Wide, High-Carbon Steel Machined Race to Assemble with RNA6916, General Industrial and Linear Slide Unit Applications

Single metric inner ring 80 mm ID x 90 mm OD x 54 mm
✔️ High carbon steel machined race, tapered bore, for RNA6916

This is a single machined inner ring for needle roller bearings, used to pair with RNA6916 assemblies in industrial gearboxes, linear slide units, and conveyor systems. It’s built for general-purpose radial load support and precision alignment.

✅ Bore type: tapered bore, metric series LRT809054
✅ Inside diameter: 80 mm, Outside diameter: 90 mm
✅ Width: 54 mm, machined needle roller bearing race
✅ Material: high carbon steel, suitable for sealed ball bearing housings
✅ Fits assembly: to assemble with RNA6916, single piece, SKU 862948
✅ Weight: 1.210 lb, ideal for industrial and linear slide unit repairs

💡 What is an inner ring used for in needle roller bearings?
An inner ring provides the hardened raceway that needle rollers roll against, enabling smooth rotation and radial load support. Short intro below for quick reference.

- Needle roller bearing inner ring function: provides precision raceway for rollers and maintains alignment for radial loads. - Maintenance & replacement: inspect for wear, ensure correct lubrication, and replace inner rings to avoid roller damage. - Compatibility notes: used in linear slide unit setups, sealed ball bearing housings, and other industrial assemblies for reliable performance.