Inner ring for ball bearings, 38 mm ID x 43 mm OD x 20 mm width, metric race for linear slide units and sealed ball bearing assemblies, high-carbon steel, single piece

Metric inner ring 38 mm x 43 mm x 20 mm, single piece
✔️ ID 38 mm, OD 43 mm, Width 20 mm; high-carbon steel inner race

This single metric inner ring is the precision inner race used to assemble sealed ball bearing units and linear slide units in machinery, conveyors, and automation gear where a snug shaft fit is needed.

✅ Single inner ring, sold as 1 piece
✅ Dimensions: 38 mm ID x 43 mm OD x 20 mm Width
✅ Material: high-carbon steel inner race for bearing assemblies
✅ Made to fit sealed ball bearing assemblies and linear slide unit designs
✅ Compatible with steel balls and many ceramic ball hybrid setups for improved wear resistance
✅ Precision fit for general usage in industrial and automation applications

💡 What is an inner ring used for in sealed ball bearing assemblies and linear slide units? An inner ring (inner race) provides the precision running surface and supports radial load so bearings run smoothly and reliably. Quick take: - Provides a precision seating surface for balls in sealed ball bearing and hybrid ceramic setups - Ensures accurate shaft fit and clearance for linear slide unit performance - Distributes radial load and improves running accuracy in machinery and conveyor systems