NA6902 Machined Needle Roller Bearing, 15 mm ID x 28 mm OD x 23 mm W, High Carbon Steel, Caged Inner Ring with Oil Holes, Metric NA69 Series, Single Unit for Linear Slide Units and Shafts

Single NA6902 machined needle roller bearing 15 x 28 x 23 mm
✔️ High carbon steel, caged inner ring, oil holes, NA69 series, single unit

This machined-type needle roller bearing includes an inner ring and oil holes for reliable lubrication. It's commonly used on shafts, compact transmissions, linear slide units and machine tool components where space is limited.

✅ Model: NA6902, NA69 metric series, machined caged type
✅ Dimensions: 15 mm inside diameter x 28 mm outside diameter x 23 mm width
✅ Material: high carbon steel, inner ring included, oil holes for lubrication
✅ Load ratings: dynamic 19,300 N, static 28,800 N; max speed 20,000 rpm
✅ Enclosure: open; intended for shafts, linear slide unit setups and transmissions
✅ Single bearing (sold as one unit); good alternative to sealed ball bearing in tight installs

💡 What is a needle roller bearing used for in linear slide unit and shaft applications? Needle roller bearings are handy when you need high radial load capacity in a compact cross-section. - Provides high radial load support in tight spaces, ideal for linear slide unit and shaft duties. - Works well where a sealed ball bearing might be too bulky; oil holes support scheduled lubrication and longer service life. - Common choice for compact transmissions, gearboxes and machine tools; consider ceramic ball bearings only for extreme speed or ultra-low friction needs.