Inner Ring LRT121516, metric needle roller bearing race, 12 mm ID x 15 mm OD x 16.5 mm width, high carbon steel, single bearing fits NAX1523 and NBX1523 assemblies

Metric inner ring LRT121516 single bearing, 12 mm ID
✔️ High carbon steel, 15 mm OD, 16.5 mm width, fits NAX1523 and NBX1523

This machined needle roller bearing inner ring is used in general industrial assemblies, transmissions, gearboxes and linear slide units. Sold as one single bearing for repairs or builds.

✅ Series: LRT121516 metric, tapered bore, machined inner race
✅ Dimensions: 12 mm ID, 15 mm OD, 16.5 mm width
✅ Material: high carbon steel for general usage, single bearing sold individually
✅ Compatible with: NAX1523 and NBX1523 needle roller assemblies
✅ Notes: not a sealed ball bearing; useful in linear slide unit support and compact designs

💡 What is a needle roller bearing inner ring used for in industrial assemblies? It provides a hardened raceway for needle rollers to support radial loads and keep shafts aligned. Quick overview: - Ideal where radial load capacity is needed in thin-section designs and linear slide units - Chosen over sealed ball bearing options when compactness and low profile are priorities - Can be combined with ceramic rollers or precision needle sets for reduced friction and longer service life