Single metric inner ring 40x45x34 mm, high carbon steel race for sealed ball bearings and linear slide unit assemblies, precision fit for rollers and cam followers

Inner ring 40x45x34 mm, metric high carbon steel
✔️ ID 40 mm, OD 45 mm, Width 34 mm, single inner ring

This single metric inner ring is the precision inner race used in bearing assemblies for sealed ball bearings and linear slide units, commonly found in automation and machine repair kits.

✅ High carbon steel inner race, durable and wear resistant
✅ Precise dimensions: ID 40 mm, OD 45 mm, Width 34 mm
✅ Fits sealed ball bearing setups and linear slide unit assemblies
✅ Ideal for rollers, cam followers, and bearing replacement kits

💡 What is an inner ring used for in a linear slide unit? An inner ring delivers the accurate raceway and stable fit for rolling elements, helping bearings run smoothly under radial loads. Quick overview: - It provides a precise contact surface for sealed ball bearings and roller elements, improving load distribution and service life. - It helps maintain alignment in linear slide units and reduces friction for smoother travel and repeatable motion. - Compatible with ceramic or steel balls, often used in repair kits for cam followers and roller assemblies.