Single Caged Heavy-Duty Roller Bearing NAU4909, 45 mm ID x 68 mm OD x 22 mm Width, High Carbon Steel Outer Ring with Oil Holes, Double-Row Metric Series, Open Enclosure, 8000 rpm Rated

Single caged heavy-duty NAU4909 roller bearing 45x68x22 mm
✔️ High carbon steel, outer ring oil holes, double-row, open

This single bearing is a double-row caged roller unit ideal for industrial linear slide units, gearboxes and heavy machinery where combined radial and axial loads occur.

✅ 45 mm inside diameter (ID)
✅ 68 mm outside diameter (OD)
✅ 22 mm width, open enclosure
✅ High carbon steel material, heavy-duty design
✅ Double-row caged rollers, outer ring with oil holes for relubrication
✅ Dynamic load capacity 24,800 N; static load capacity 32,800 N
✅ Maximum speed 8,000 rpm; temperature range -20 to 120 °C
✅ NAU4909 NAU metric series, single bearing, SKU 1912128

💡 What are the advantages of using a double-row caged roller bearing in heavy-duty linear slide units? They handle combined loads with lower friction and are handy for demanding industrial gear and slide setups. Here’s a quick rundown: - Higher radial and axial load capacity, great for linear slide unit applications - Caged rollers reduce friction and heat, an effective alternative to sealed ball bearing or ceramic upgrades - Outer ring oil holes simplify relubrication and maintenance, helping extend service life