LRT91216 Inner Ring (Metric) Single 9 mm ID x 12 mm OD x 16 mm Width, High Carbon Steel Race for Needle Roller Bearing Assembly with TAF121916 and NAX1223, General Use

Single LRT91216 inner ring for metric needle race
✔️ 9 mm ID, 12 mm OD, 16 mm W, HC steel, fits TAF121916, NAX1223

This single inner ring is a machined race for metric needle roller bearings, commonly used in linear slide units, compact gearboxes, and transmission repairs where a precise shaft fit matters.

✅ Model LRT91216, Metric series
✅ Bore (ID): 9 mm
✅ Outside diameter (OD): 12 mm
✅Width：16 mm
✅ Material: high carbon steel, machined race
✅ Ideal for linear slide unit and needle roller applications
✅ Compatible with NAX1223 and TAF121916 assemblies
✅ Pack: single inner ring (one piece)

💡 What is an inner ring used for in needle roller bearings and linear slide units? An inner ring gives a hardened, accurate raceway for needles and helps keep shafts steady and running true. - Provides the race surface for needle rollers in linear slide unit and transmission setups. - Ensures precise bore fit to reduce wear when paired with compatible assemblies, sealed ball bearing housings, or ceramic roller upgrades. - Helps maintain alignment and load distribution in compact roller systems and is handy for maintenance or rebuilds.