InnerRing LRT404540 Metric 40×45×40mm Width High-Carbon Steel Single Race Roller Bearing Replacement Linear Slide Unit Sealed Ball Assembly Precision Durable OEM-Compatible

Single inner ring LRT404540, 40×45×40mm race
✔️ Inner ID 40 mm, OD 45 mm, width 40 mm; high carbon steel, single

This single inner ring is an inner race used in roller bearings and linear slide units, commonly installed in industrial machinery and automation assemblies.

✅ Part number LRT404540
✅ Dimension 40 mm ID × 45 mm OD × 40 mm width
✅ Material high carbon steel for strength and wear resistance
✅ Pack single inner ring for replacement or repair
✅ Fits roller bearings, linear slide unit and sealed ball bearing assemblies
✅ Use for maintenance, OEM-compatible swaps and precision rebuilds

💡 What is an inner ring used for in a linear slide unit and sealed ball bearing assemblies? An inner ring creates the precise rolling surface for balls or rollers, keeping alignment and load transfer accurate while reducing wear. Here are the main benefits and fit points: - Provides the precision race surface that supports rollers and balls, improving load handling in linear slide units and sealed ball bearings - Ensures correct shaft fit with a 40 mm ID for proper assembly and minimal play - High carbon steel construction resists deformation and supports radial and axial loads for longer service life - Handy for maintenance, OEM-compatible replacements, and precision rebuilds