LRT556238 Inner Ring for Needle Roller Bearing, Metric 55 mm ID x 62 mm OD x 38.5 mm Width, High Carbon Steel, Single Unit Compatible with TR628138, General Use

LRT556238 needle roller bearing inner ring, single unit
✔️ 55 mm ID x 62 mm OD x 38.5 mm width, high carbon steel, fits TR628138

This single metric inner ring (LRT556238) is a machined raceway component for needle roller bearing assemblies. Typically used in linear slide units, gearbox shafts, machine tools, and compact industrial automation where space and radial load capacity matter.

✅ Part number: LRT556238 (metric series LRT)
✅ Inner diameter: 55 mm, Outer diameter: 62 mm
✅ Width: 38.5 mm; material: high carbon steel, machined finish
✅ Designed to assemble with TR628138 machined-type needle roller bearing

💡 What is an inner ring for a needle roller bearing used for? This component gives needle rollers a precise, hardened raceway so they can carry high radial loads in tight assemblies. Quick take: - Provides a compact, hardened raceway for needle roller bearings to support high radial loads - Helps alignment in linear slide unit setups and compact gearbox or transmission assemblies - Works with machined type needle roller bearings and can be used in systems alongside sealed ball bearing or ceramic roller upgrades