LRT556345 Inner Ring 55 mm ID x 63 mm OD x 45 mm Width, Metric Bearing Race, High Carbon Steel, Single Piece for Linear Slide Units and Sealed Ball Bearing Applications

Single metric bearing inner ring LRT556345 55x63x45 mm
✔️ 55 mm ID, 63 mm OD, 45 mm W, high carbon steel, single unit

This single inner ring is the bearing race used in linear slide units, sealed ball bearing setups, and general industrial shaft assemblies.

✅ Part number LRT556345, inner ring for metric bearings
✅ Inside diameter 55 mm, outside diameter 63 mm, width 45 mm
✅ High carbon steel material for strength and wear resistance
✅ Single piece pack, ready for assembly into sealed ball bearing systems
✅ Works with linear slide unit installs and ceramic ball conversions

💡 What is an inner ring bearing used for in linear slide units and sealed ball bearing assemblies? An inner ring provides the smooth, hardened raceway that bearing balls or rollers run on, keeping loads aligned and reducing friction. Quick overview: - Supports shaft-mounted loads and forms the bearing race for sealed ball bearing designs - Enables use with ceramic balls or sealed assemblies for longer service life and reduced maintenance - Common in linear slide unit applications, machine tools, and general industrial equipment