Single NAS5010UUNR roller bearing for sheaves, 50 mm ID x 80 mm OD x 39 mm width, heavy-duty high-carbon steel construction, oil-hole lubrication, sealed double-row uncaged metric series, 2000 rpm max

Single NAS5010UUNR sealed sheave roller, 50x80x39 mm
✔️ 50 mm ID × 80 mm OD × 39 mm width, high-carbon steel, sealed

This single sealed roller bearing fits sheaves and pulley systems, used in cranes, conveyors and material-handling gear, and works as a handy sealed ball bearing option for linear slide unit setups.

✅ Model NAS5010UUNR, double-row uncaged, heavy-duty type
✅ Material: high-carbon steel, with oil holes and seals fitted
✅ Dimensions: 50 mm ID, 80 mm OD, 39 mm width (single unit)
✅ Dynamic capacity 100000 N, static capacity 158000 N, max 2000 rpm
✅ Temp range -20 to 120 deg C, weight approx 0.75 kg, NAS metric series

💡 What is a sealed roller bearing used for in sheave, pulley and linear slide unit applications? Sealed roller bearings keep contaminants out and lubrication in, making them super handy for pulley and slide setups under load. - Provides reliable radial and axial support in sheave and pulley systems - Keeps grease sealed to reduce maintenance on conveyors, cranes and material-handling gear - Works as a sealed ball bearing alternative for linear slide unit installations - Ideal when oil-hole lubrication and heavy-duty load capacity are required