Sealed roller bearing NAG4911UU, 55 mm I.D. x 80 mm O.D. x 25 mm width, full-complement high-carbon steel heavy-duty design with oil hole and seals, single piece for linear slides and machinery

Sealed roller bearing NAG4911UU, single piece
✔️ 55 mm I.D. x 80 mm O.D. x 25 mm width, oil hole, seals

This sealed, full-complement roller bearing is a heavy-duty industrial component used in linear slide units, conveyors and machinery that need sealed ball bearing protection.

✅ Model NAG4911UU, NAG Metric Series, single piece
✅ Inside diameter 55 mm, outside diameter 80 mm, width 25 mm
✅ Material: high carbon steel, full-complement (uncaged)
✅ Dynamic load capacity 48,100 N, static load capacity 77,700 N
✅ Max speed 2,000 rpm, temperature rating -20 to 120 deg C
✅ Oil hole for relubrication; sealed design for contamination control

💡 What is a sealed roller bearing used for in linear slide units? Sealed roller bearings keep lubricant in and keep dirt out, helping slides run smooth under load. Quick take: - Ideal for linear slide units, conveyors and industrial machinery where contamination and dust are concerns. - Full-complement designs and high-carbon steel boost load capacity for heavy-duty applications. - Oil holes plus seals make relubrication easier and extend service life for sealed bearing installs.