Precision caged needle roller bearing RNA4940 single unit, machined type, 225 mm ID, 280 mm OD, 80 mm width, high carbon steel, with oil holes, metric RNA49 series for heavy industrial loads

Single bearing caged needle roller RNA4940 225x280x80 mm
✔️ Single-row; high carbon steel; oil holes; 225 ID, 280 OD, 80 W

This machined caged needle roller bearing is a single, open-design unit used in heavy-duty industrial gearboxes, transmissions, and linear slide units where compact radial support and high load capacity are needed.

✅ Model: RNA4940, RNA49 metric series
✅ Type: Caged machined, single-row, open enclosure
✅ Dimensions: 225 mm ID x 280 mm OD x 80 mm width
✅ Material: High carbon steel, with oil holes for lubrication
✅ Load ratings: Dynamic 518000 N, Static 1120000 N
✅ Max speed: 1600 rpm; weight ~22.88 lb each

💡 What is a needle roller bearing used for in industrial machinery? Needle roller bearings are handy when you need high radial load support in tight spaces. - High radial load capacity for gearboxes, transmissions, and reducers - Low cross-section profile ideal for linear slide unit and compact shaft support - Open or caged designs allow lubrication options like oil holes for easier maintenance - Select by dynamic/static load, speed rating, and material such as high carbon steel