IRT1025-1 Tapered Bore Needle Roller Inner Ring, Metric 10 mm I.D. x 15 mm O.D. x 25.5 mm Width, Single Replacement Race for TA1525Z shell type assemblies

Single IRT1025-1 tapered inner ring for needle roller, 10 mm
✔️ Tapered I.D. 10 mm, O.D. 15 mm, Width 25.5 mm, high-carbon steel

This single inner ring is an IRT series metric replacement part designed for needle roller bearing shell assemblies like TA1525Z. It provides a hardened running surface ideal for compact linear slide units and offset gearbox applications.

✅ Bore type: Tapered I.D. 10 mm for tight roller fit
✅ Outside diameter: 15 mm, precision ground finish
✅ Overall width: 25.5 mm, compact metric profile
✅ Material: high-carbon steel, hardened for wear resistance
✅ Fits: TA1525Z shell type needle roller bearing assemblies
✅ Pack size: single inner ring, one unit each

💡 What is an inner ring used for in needle roller bearing assemblies? An inner ring provides a durable raceway that supports needle rollers and maintains rolling accuracy under load. Short intro: Here’s why an inner ring matters and where it helps most: - Ensures proper roller seating and load distribution in needle roller bearings - Improves life and performance in linear slide units, conveyors, and compact drives - Lets you replace worn races without swapping sealed ball bearing housings or shafts