Inner Ring IRT4512, Metric 45 mm ID x 50 mm OD x 12.5 mm Width for Shell-Type Needle Roller Bearing, High Carbon Steel Precision Race Fits TA5012Z Assembly for Linear Slide Units

Metric inner ring IRT4512, 45 mm ID x 50 mm OD
✔️ 12.5 mm width, high carbon steel, fits TA5012Z shell-type, single unit

This single metric inner ring is designed for shell-type needle roller bearings and is typically used in linear slide units, gearboxes, and motion-control assemblies.

✅ 45 mm inside diameter (ID)
✅ 50 mm outside diameter (OD)
✅ 12.5 mm width
✅ High carbon steel material
✅ Tapered bore type for shell-type needle roller bearings
✅ Fits TA5012Z assembly, single bearing pack

💡 What is an inner ring for shell-type needle roller bearings used for? It gives a hardened running surface and precise race for needle rollers in shell assemblies. - Helps protect shafts and rollers in sealed ball bearing housings and linear slide unit guides. - Provides precise ID control for smooth motion in gearboxes, actuators, and motion-control systems. - Handy for retrofits and replacements to improve load distribution and wear resistance.