Inner Ring LRTZ152020 15 mm ID x 20 mm OD x 20.5 mm Width, Metric Inner Race for Assembly, High-Carbon Steel Single component for linear slide unit and sealed ball systems

Metric inner ring LRTZ152020, 15 x 20 x 20.5 mm, single
✔️ High-carbon steel inner race, 15 mm ID, 20 mm OD, 20.5 mm width

This single metric inner ring (inner race) LRTZ152020 is a replacement component used to assemble sealed ball bearings and linear slide units in industrial machinery, automation, and light equipment.

✅ Model: LRTZ152020 inner ring (inner race), metric
✅ Size: 15 mm ID × 20 mm OD × 20.5 mm width
✅ Material: high-carbon steel for bearing assemblies
✅ Use: to assemble sealed ball bearings, linear slide units, and related motion systems
✅ Pack: single inner ring, ready for shaft installation

💡 What is an inner ring used for in a sealed ball bearing assembly? An inner ring gives the balls a hardened running surface and secures proper shaft fit for smooth rotation. - Supports the rolling elements and maintains concentric contact for sealed ball bearing performance. - Provides precise shaft seating and preload control important in linear slide unit setups. - Affects lifespan and compatibility with ceramic or steel balls; correct inner race tolerance matters.