LRT91211 Inner Ring for Needle Roller Bearings, Metric tapered bore 9 mm ID x 12 mm OD x 11 mm width, high carbon steel inner race for assembly with RNA499, single bearing for linear slide units

Inner ring LRT91211 tapered 9 mm ID single unit
✔️ 9 mm ID x 12 mm OD x 11 mm width, high carbon steel, single

This single metric inner ring is a tapered-bore inner race (LRT91211) designed for needle roller bearing assemblies. It's commonly used in linear slide units, gearboxes, and compact drive systems, and can replace sealed ball bearing seats or work with ceramic needle options.

✅ LRT91211 model, metric LRT series inner ring
✅ Tapered bore; 9 mm ID x 12 mm OD x 11 mm width
✅ Material: acciaio Material: di carbonio, anello interno lavorato a macchina
✅ Fits RNA499 needle roller bearing assemblies
✅ Suitable for linear slide unit, gearboxes and compact drives
✅ Single bearing pack, weight approx 0.010 lb, SKU 860847

💡 What is an inner ring used for in needle roller bearing assemblies? An inner ring provides the hardened running surface that needle rollers run on, improving load distribution, accuracy, and lifespan for compact bearing setups. Quick selection tips: - Serves as the inner race in needle roller bearings and linear slide units - Protects the shaft from wear and keeps needle rollers aligned for smoother operation - Pick tapered-bore inner rings when assembling with RNA499 or when replacing sealed ball bearing seats - Verify dimensions (9 mm ID x 12 mm OD x 11 mm width) and high carbon steel material for proper fit and load capacity