TA1815Z Shell Needle Roller Bearing, Metric 18 mm ID x 25 mm OD x 15 mm Width, Caged Chromium Molybdenum Steel, Single Unit for Linear Slide Units and Rotary Assemblies

Single TA1815Z metric needle roller bearing
✔️ 18 mm ID x 25 mm OD x 15 mm width, caged Cr-Mo steel, single unit

This caged shell needle roller bearing (TA1815Z) is built for compact metric applications like linear slide units, small gearboxes, and rotary assemblies where space is limited and radial load capacity matters.

✅ Model: TA1815Z (shell needle roller)
✅ Inner dia: 18 mm; Outer dia: 25 mm; Width: 15 mm
✅ Cage type: caged shell for easy installation
✅ Material: chromium molybdenum steel, heat-treated
✅ Pack: single bearing, great for repairs and prototype builds
✅ Typical fits: linear slide unit, rotary assembly, compact gear trains

💡 What is a needle roller bearing used for in linear slide units? Needle roller bearings are handy when you need compact parts that handle high radial loads in tight clearances. - Improves radial load handling in linear slide unit and rotary assemblies for smoother motion and longer service life. - Provides a low-profile option compared to sealed ball bearing or larger roller types in space-critical guides. - Often chosen over ceramic or sealed options when cost, space, and load capacity are the main priorities.