Metric Inner Ring LRT222817 single 20 mm ID x 28 mm OD x 17 mm width, high carbon steel inner race for needle roller bearings fits RNA49/22, replacement for linear slide units and machine bearings
✔️ Single inner ring, 20 mm ID x 28 mm OD x 17 mm width
This single metric inner ring (inner race) is made for needle roller bearings and is commonly used in linear slide units, machine bearings, and industrial assemblies to provide a hardened running surface.
✅ Model: LRT222817, Metric series✅ Bore type: Tapered, I.D. 20 mm
✅ O.D.: 28 mm; Width: 17 mm
✅ Material: High carbon steel, machined inner race
✅ Suitable for RNA49/22 needle roller bearing assemblies
✅ Pack: Single inner ring, weight ~0.07 lb, SKU 861060
💡 What is a needle roller bearing inner ring used for in linear slide units and machine bearings? Short answer: it’s a handy inner race that supports needle rollers and keeps motion smooth. - Acts as the inner race for needle roller bearings and compact linear slide units. - Provides a hardened running surface to boost radial load capacity and reduce wear. - Often used instead of sealed ball bearing setups where radial space is tight; ceramic options can be chosen for high-speed or corrosion resistance. - Installation tip: match shaft tolerance and assemble with the correct RNA series components for best performance.