IRT1212 Inner Race Metric for Shell-Type Bearings, 12 mm ID x 15 mm OD x 12.5 mm Width, High-Carbon Steel Replacement for Linear Slide Unit, Single Piece

IRT1212 metric inner race for shell bearings
✔️ Single piece, 12 mm ID x 15 mm OD x 12.5 mm width, high carbon steel

This is an IRT1212 inner ring (inner race) designed for shell-type bearing assemblies, commonly used in linear slide units and machinery where a replaceable inner race is needed.

✅ Model: IRT1212 inner ring, metric inner race
✅ Dimensions: 12 mm ID x 15 mm OD x 12.5 mm width
✅ Material: high carbon steel, hardened for bearing assemblies
✅ Application: fits shell-type housings, linear slide units and sealed ball bearing setups
✅ Pack: single bearing inner ring for replacement or repair

💡 Why choose a hardened inner race for sealed ball bearing assemblies and linear slide units? A hardened inner race helps bearings run smoother and last longer. Here’s a quick, handy breakdown: - Increases wear resistance and extends service life for sealed ball bearing systems - Improves load distribution in linear slide unit applications and reduces maintenance - Compatible with ceramic or steel rolling elements when used in properly matched assemblies