Inner ring LRT121612, metric 12 mm ID x 16 mm OD x 12 mm width, high carbon steel single race for RNAF162812 assembly, general-use needle roller bearing component

Single metric inner ring LRT121612, 12 x 16 x 12 mm
✔️ ID 12 mm, OD 16 mm, Width 12 mm; High carbon steel, single piece

This single metric inner ring (LRT121612) is a hardened race designed for needle roller assemblies and is typically used in linear slide units, automotive linkages, and industrial machinery to provide a precise rolling surface.

✅ Model: LRT121612, metric inner ring, sold as a single piece
✅ Bore (ID): 12 mm
✅ Outside diameter (OD): 16 mm
✅ Width: 12 mm
✅ Material: High carbon steel, machined raceway
✅ Fits RNAF162812 needle roller assembly; useful in sealed ball bearing and linear slide unit setups
✅ Weight: approx. 0.020 lb; unit of sale: each

💡 What is an inner ring used for in a needle roller bearing assembly? An inner ring provides the hardened raceway that needle rollers run on, keeping rolling elements aligned and reducing wear. - Supports shaft loads and keeps roller alignment in compact assemblies like linear slide units - Lets you pair needle rollers with sealed ball bearing elements in hybrid setups when needed - Choosing a high carbon steel inner race improves wear resistance and service life in industrial and automotive applications