Caged roller bearing NAU4911UU single unit 55 mm ID x 80 mm OD x 25 mm W, high-carbon steel, double-row sealed roller with outer-ring oil holes, heavy-duty NAU metric series for industrial use

Single caged roller bearing NAU4911UU, sealed unit
✔️ 55 x 80 x 25 mm, high-carbon steel, double-row sealed, oil holes

This single heavy-duty caged roller bearing (NAU4911UU) is a sealed industrial unit built for conveyors, gearboxes and linear slide units that need strong radial and axial load support.

✅ Type: Caged double-row roller bearing (NAU Metric Series)
✅ Inside diameter: 55 mm; Outside diameter: 80 mm; Width: 25 mm
✅ Material: High carbon steel; Seal: synthetic resin rubber; enclosure: sealed
✅ Dynamic load capacity: 33000 N; Static load capacity: 47000 N; Max speed: 3000 rpm
✅ Temperature rating: -20 to 120 deg C; Outer ring with oil holes; Weight: 0.850 lb

💡 What is a caged roller bearing used for in industrial conveyors and gearboxes?

These bearings provide rugged load support and contamination resistance, handy for heavy equipment that needs long service life and easy maintenance. - Ideal for conveyor rollers, gearbox shafts, and industrial linear slide units that require sealed roller bearings for durability and smooth motion. - Choose when high radial capacity and rigidity are needed over low-friction ceramic options; pairs well with sealed ball bearing elements where appropriate. - Outer-ring oil holes make relubrication simple in heavy-duty assemblies, reducing downtime and extending bearing life.