NA4902 Machined Needle Roller Bearing 15 mm ID x 28 mm OD x 13 mm W, High Carbon Steel Inner Ring with Oil Hole, Open Caged Type for Linear Slide Unit, sealed ball bearing alternative, Single Unit

NA4902 machined needle roller bearing, single unit
✔️ 15 mm ID x 28 mm OD x 13 mm W; high carbon steel inner ring

This machined caged needle roller bearing includes an inner ring and oil holes, made for linear slide units, compact gearboxes, and shaft guides where space is tight. Single bearing pack.

✅ Type: Machined caged needle roller bearing
✅ Model: NA4902 (NA49 metric series)
✅ Dimensions: 15 mm ID x 28 mm OD x 13 mm width
✅ Material: High carbon steel inner ring included
✅ Features: Oil holes, open enclosure, caged rollers
✅ Load ratings: Dynamic 10900 N, Static 13800 N
✅ Max speed: 20000 rpm; single unit pack

💡 What is a needle roller bearing used for in linear slide units? Needle roller bearings are handy when you need high radial load capacity in a compact package. - Ideal for linear slide unit and shaft guide applications with limited radial space - Preferred where a sealed ball bearing or ceramic option won’t meet load or profile limits - Provides strong radial load support with a low cross-section and inner ring option