Tapered Bore Needle Roller Inner Ring IRT1530-2, Metric IRT Series, 15 mm I.D. x 20 mm O.D. x 30.5 mm Width, High Carbon Steel Single Race, Fits TA2030Z and TLA2030Z Shells

Tapered-bore needle roller inner ring, single unit
✔️ 15 mm I.D., 20 mm O.D., 30.5 mm width, IRT series, single part

This single tapered inner ring is a precision race for needle rollers, typically used in shell-type housings for linear slide units and compact rotary assemblies. Compatible with TA2030Z and TLA2030Z shells.

✅ Model: IRT1530-2
✅ Bore type: Tapered I.D. 15 mm
✅ O.D.: 20 mm; Width: 30.5 mm
✅ Material: High carbon steel
✅ Series: Metric IRT series; Pack: single bearing each
✅ Fits: TA2030Z and TLA2030Z shell-type needle roller bearings; SKU: 861244; Weight: 0.070 lb

💡 What is an inner ring for a needle roller bearing used for in linear slide units? An inner ring provides the hard, precision running surface needle rollers ride on, making it handy where space is tight and loads are high. Quick intro: - Provides a durable running surface for needle rollers in linear slide units and compact shafts. - Helps maintain alignment and reduce wear in sealed ball bearing setups and linear guides. - Common in metric IRT series and shell-type assemblies like TA2030Z and TLA2030Z. - High carbon steel offers strength and economy; ceramic options may be chosen for low friction or corrosion resistance.