NAS5011UUNR Single Sealed Roller Bearing for Sheaves and Pulleys, 55 mm ID x 90 mm OD x 45 mm Width, High-Carbon Steel Double-Row Heavy-Duty Roller with Oil Holes, Metric NAS Series Uncaged

Single NAS5011UUNR sealed roller bearing 55×90×45 mm
✔️ High-carbon steel, 118000 N dyn, 193000 N static, 1800 rpm

This single sealed double-row roller bearing is made for sheaves, pulleys and heavy-duty conveyor or winch applications where oil maintenance and protected service life are needed.

✅ 55 mm inside diameter (i.d.)
✅ 90 mm outside diameter (o.d.)
✅ 45 mm width, double-row uncaged heavy-duty design
✅ High-carbon steel, sealed enclosure with oil holes
✅ Dynamic load capacity 118000 N, static 193000 N
✅ Max speed 1800 rpm, temperature -20 to 120 °C
✅ Metric NAS series, model NAS5011UUNR, single unit pack

💡 What is a sealed roller bearing for sheaves used for in pulley, conveyor, or linear slide unit applications? Sealed roller bearings are handy components that support radial loads while keeping lubrication sealed and contaminants out. - Deliver smooth, reliable rotation for sheaves, pulleys, winches and related linear slide unit setups. - Seals plus oil holes help hold grease longer, lowering service time in conveyor and crane systems. - Double-row designs handle higher radial loads common in heavy-duty pulley and slide applications.