Needle roller bearing inner ring LRT172213, metric 17 mm ID x 22 mm OD x 13 mm width, high carbon steel race for RNA4903 and RNAF223013, single piece for linear slide unit use

Needle roller inner ring LRT172213, single piece
✔️ 17 mm ID x 22 mm OD x 13 mm width, high carbon steel, fits RNA4903

This single-piece needle roller bearing inner ring LRT172213 is a machined metric inner race made from high carbon steel. It’s used in linear slide units, cam followers, and general machinery where a compact, durable inner race is needed.

✅ LRT172213 metric inner ring, machined type
✅ Bore 17 mm, OD 22 mm, width 13 mm
✅ High carbon steel race for improved wear resistance
✅ Fits RNA4903 and RNAF223013 needle roller assemblies
✅ Single piece pack, suitable for linear slide unit and cam follower use

💡 What is an inner ring for needle roller bearings used for in linear slide unit and cam follower assemblies? An inner ring provides a hardened raceway for needle rollers and helps carry radial loads efficiently. It's a handy component in compact motion systems. - Offers a precise, hardened bore to reduce wear and improve bearing life, compatible with sealed ball bearing or ceramic complement parts - Optimizes load distribution in linear slide unit and cam follower applications for smoother motion - Works with RNA4903 and RNAF223013 style assemblies and metric LRT series parts