LRT360400118 Inner Ring for Metric Needle Roller Assemblies, 360 mm ID x 400 mm OD x 118 mm Width, High Carbon Steel, General Use, Fits RNA4972, Machined type single unit replacement

Single metric inner ring LRT360400118 360 x 400 x 118 mm
✔️ 360 mm ID x 400 mm OD x 118 mm width; high-carbon steel; fits RNA4972

This machined inner ring is a single-unit replacement part for needle roller assemblies, commonly used in gearboxes, linear slide units, and automation systems.

✅ Model: LRT360400118, Metric LRT series
✅ Bore type: Tapered, i.d. 360 mm
✅ Outside diameter: 400 mm; width: 118 mm
✅ Material: High carbon steel; machined raceway
✅ Suits RNA4972 needle roller bearing (machined type)
✅ Pack: Single inner ring, sold individually; weight 47.3 lb

💡 What is an inner ring for needle roller bearings used for in linear slide units?

An inner ring provides the precision raceway and load support for needle rollers in sliding and rotary systems.

- Improves roller seating and reduces wear in linear slide unit and guide applications, helping extend service life - Provides a hardened, machined raceway compatible with needle roller and sealed ball bearing setups for tight tolerances - Handy for replacement and maintenance in gearboxes, conveyors, and automation equipment; works with RNA4972 style machined bearings