Single inner ring for needle roller bearing, metric 50 mm ID x 58 mm OD x 45.5 mm width, high-carbon steel race for general industrial use, replacement for GTR587745 assemblies, linear slide units

Single inner ring, 50 mm ID x 58 mm OD x 45.5 mm width
✔️ High carbon steel race, chamfer bore, metric fit with GTR587745

This single metric inner ring is a replacement race for needle roller bearings used in general industrial and linear slide unit applications. Ideal for machinery maintenance and bearing repair kits.

✅ Model LRTZ505845, Metric series, machined needle roller race
✅ Inside diameter 50 mm, outside diameter 58 mm, width 45.5 mm
✅ High carbon steel material, chamfered bore for easy assembly
✅ Designed to fit and assemble with GTR587745 bearing assembly
✅ Single inner ring for general industrial, conveyor, and linear slide use

💡 What is an inner ring used for in needle roller bearings and linear slide units? An inner ring provides the hardened running surface rollers ride on, supporting radial loads and maintaining precision. - Provides a hardened running surface to reduce wear and extend bearing life. - Ensures precise roller alignment for needle roller bearing and linear slide unit performance. - Easy replacement part for maintenance, fits assemblies like GTR587745 and similar sealed ball bearing setups. - Common in industrial machinery, conveyors, indexing mechanisms, and repair kits.