Single IRT1520-1 needle roller bearing ring with tapered 15 mm ID, 19 mm OD, 20.5 mm width, metric IRT series high-carbon steel for linear slide units, compatible with TA1920Z

Single IRT1520-1 needle roller ring, 15 mm ID
✔️ Tapered I.D. 15 mm, O.D. 19 mm, width 20.5 mm, IRT series, single

Single needle roller bearing ring for linear slide units and compact assemblies; ideal where radial space is limited and high load capacity is needed. Pack of 1 (single unit).

✅ Tapered bore type (tapered I.D.)
✅ Inner diameter: 15 mm
✅ Outer diameter: 19 mm
✅ Overall width: 20.5 mm
✅ Material: high-carbon steel
✅ Series: IRT metric series
✅ Compatible with TA1920Z shell type
✅ Pack: single bearing (1 piece)

💡 What is a needle roller bearing ring used for in linear slide units? Needle roller rings give a thin, rolling surface that supports high radial loads in tight assemblies while keeping friction low. Quick overview: - Improves load capacity and reduces friction in confined radial spaces, ideal for linear slide unit applications. - A space-saving alternative when a sealed ball bearing is too large; fits thin-section guides and cam followers. - Enhances service life when matched with proper lubrication and correct shell components.