Machined Needle Roller Bearing Single Unit NA4868, 340 mm ID x 420 mm OD x 80 mm Width, High-Carbon Steel Inner Ring with Oil Holes for Heavy-Duty Linear Slide Units and Shaft Applications

Single machined needle roller bearing, NA4868
✔️ 340 mm ID x 420 mm OD x 80 mm width, high-carbon steel, oil holes

This single machined NA4868 needle roller bearing is a caged inner-ring unit for heavy-duty shafts, conveyors and linear slide units in industrial equipment.

✅ Model: NA4868 single bearing unit (pack of 1)
✅ Inner diameter: 340 mm; Outer diameter: 420 mm; Width: 80 mm
✅ Material: high-carbon steel with inner ring and oil holes for lubrication
✅ Type: caged machined needle roller bearing, NA48 Series metric
✅ Dynamic load capacity: 651000 N; Static: 2140000 N; Max speed: 700 rpm
✅ Weight: 1.000 lb; UOM: each; Typical use: shafts, linear slide units, presses

💡 What is a needle roller bearing used for in heavy-duty linear slide units? Needle roller bearings give compact, high-radial-load support for shafts and guides. - They save space compared with sealed ball bearing options while handling higher radial loads. - Well suited for linear slide unit guides, conveyors, presses and shaft-mounted applications. - Choose machined, caged types with oil holes for easier lubrication and longer service life.