Needle Roller NA49/28 Machined Type Single Unit, 28 mm ID x 45 mm OD x 17 mm Width, High-Carbon Steel with Oil Hole, Inner Ring Included, Radial for Linear Slide Unit, Shaft

Single NA49/28 machined needle roller, 28x45x17 mm
✔️ High-carbon steel, oil hole, inner ring included, single unit

This machined-type needle roller bearing provides compact radial support for shafts and linear slide units, typical in automation and light machinery applications.

✅ Part number NA49/28, machined type
✅ Inside Ø 28 mm, Outside Ø 45 mm, Width 17 mm
✅ High-carbon steel material with oil hole for lubrication
✅ Inner ring included; single bearing pack for easy shaft mounting

💡 What is a needle roller bearing used for in linear slide unit installations? Needle roller bearings deliver high radial load capacity in tight spaces while keeping friction low. Quick intro: - Ideal when space is limited and a compact radial support is needed for shafts and linear slide units. - A good choice over a sealed ball bearing when radial load capacity and compactness matter. - Works well with lubrication through an oil hole; inner ring makes shaft installation handy.