Tapered Inner Ring IRT2520-1 25 mm ID x 30 mm OD x 20.5 mm Width - Single High Carbon Steel Needle Roller Bearing Adapter for TA3020Z/TLA3020Z Shell, Metric IRT Series for linear slides

Single tapered inner ring IRT2520-1, 25 mm ID
✔️ 25 mm I.D., 30 mm O.D., 20.5 mm width, single item for TA3020Z/TLA3020Z

This tapered inner ring is a replacement IRT metric inner race for needle roller bearing shells like TA3020Z and TLA3020Z. It’s typically used in linear slide units, machine tools, and compact rotary assemblies where a precise raceway is needed.

✅ Bore type: tapered I.D.; inner diameter 25 mm
✅ Outside diameter 30 mm; overall width 20.5 mm
✅ Material: high carbon steel for durable contact surfaces
✅ Series: IRT metric, fits TA3020Z and TLA3020Z shell types
✅ Pack size: single inner ring; weight: 0.070 lb

💡 What is a tapered inner ring used for in needle roller bearing assemblies? A tapered inner ring gives needle rollers a hardened, accurate raceway so loads are properly supported in tight applications. Here’s a quick intro sentence that sums it up: - Provides a precision raceway for radial loads in compact linear slide units and rotary shafts - Ensures correct fit with bearing shells and supports sealed ball bearing replacements in constrained housings - Improves alignment and service life in machine tools, automation gearboxes, and precision motion systems