Single LRT152012 inner ring Metric 15 mm x 20 mm x 12 mm high carbon steel for needle roller bearing assembly compatible with RNAF203212 fits linear slide units and general machinery

Single LRT152012 inner ring 15 x 20 x 12 mm metric part
✔️ ID 15 mm, OD 20 mm, Width 12 mm; high carbon steel; for RNAF203212

This single inner ring is a precision metric part used with needle roller bearing assemblies, commonly installed in linear slide units and general industrial machinery for reliable rotational support.

✅ Metric series LRT152012, machined inner ring, ID 15 mm
✅ OD 20 mm, Width 12 mm, designed for needle roller bearings
✅ Material: high carbon steel for durability in general usage
✅ Fits RNAF203212 assemblies and many linear slide unit setups
✅ Sold individually as a single replacement part for service

💡 What is an inner ring used for in needle roller bearing assemblies and linear slide units? A short answer: It gives rollers a hardened running surface and precise fit for smooth motion. - Provides accurate roller guidance and even load transfer in needle roller assemblies - Helps enable compact linear slide unit designs and precise linear motion control - Can pair with sealed ball bearing options or ceramic components in hybrid systems