NA4928UU Machined Needle Roller Bearing, 140 mm ID x 190 mm OD x 50 mm W, High Carbon Steel, Oil Hole, Sealed with Inner Ring, Caged Type, Single Unit for Heavy Duty Applications

Machined NA4928UU needle roller bearing, single unit
✔️ 140 mm ID x 190 mm OD x 50 mm W; sealed, oil hole, inner ring

This single caged machined needle roller bearing is built for heavy duty shafts and linear slide unit use, ideal for gearboxes, presses, and material handling equipment.

✅ Model NA4928UU, NA49 metric series
✅ Material: high carbon steel, caged machined type
✅ Dynamic load capacity 214000 N, static load capacity 549000 N
✅ Max speed 1200 rpm; seal material synthetic rubber
✅ Oil hole present; includes inner ring and seals
✅ Compatible with sealed ball bearing housings and linear slide unit setups
✅ Pack size: single bearing, weight approx 0.45 kg each

💡 What is a needle roller bearing used for in linear slide units and heavy machinery? Needle roller bearings deliver high radial load capacity in tight spaces, keeping shafts steady and reducing friction in heavy-duty assemblies. Here’s how they help in real systems: - Support heavy radial loads in compact housings for gearboxes, presses and conveyors. - Fit sealed ball bearing housings or work as a steel inner ring alternative to ceramic options. - Improve life and alignment in linear slide units, material handling, and shaft support applications.