Machined Needle Roller Bearing NA4948 Single Unit, 240 mm ID x 320 mm OD x 80 mm Width, Caged Inner Ring, High Carbon Steel with Oil Holes, NA49 Metric Series, Heavy-Duty Radial Capacity

Machined NA4948 needle roller single unit bearing
✔️ ID 240 mm x OD 320 mm x W 80 mm, oil holes, caged inner ring

This single machined needle roller bearing (NA4948) is built for tight spaces and heavy radial loads in industrial gearboxes, transmissions, pumps, and linear slide units.

✅ Model NA4948, NA49 Metric Series, caged machined type
✅ Inner diameter 240 mm, outer diameter 320 mm, width 80 mm
✅ Material: high carbon steel; open enclosure with oil holes
✅ Dynamic load capacity 565000 N; static capacity 1320000 N
✅ Max speed 1300 rpm; includes inner ring for easier installation
✅ Single bearing, pack of 1, SKU 1911538, weight ~1.0 lb

💡 What is a needle roller bearing used for in heavy radial load, compact industrial setups? Needle roller bearings handle high radial loads in minimal radial space and keep rotating shafts running true with lower profile than many sealed ball bearing options. Short intro: They're really handy where space is tight and loads are high. - Ideal for gearboxes, transmissions, pumps, and linear slide unit guides where a sealed ball bearing won't fit. - Use instead of ceramic bearings when toughness and load capacity matter over ultra-low friction. - Choose caged machined inner ring types with oil holes for easier lubrication and maintenance.