Machined needle roller bearing NA4840 single unit, 200 mm inside diameter, 250 mm outside diameter, 50 mm width; high-carbon steel inner ring with oil holes, caged design for heavy radial loads

Single machined needle bearing NA4840 200 x 250 x 50 mm
✔️ 200 mm ID, 250 mm OD, 50 mm width; high-carbon steel inner ring

This is a single machined-type needle roller bearing designed for heavy radial load duty in industrial and automation equipment, conveyor systems, and linear slide unit setups.

✅ Model NA4840, NA48 metric series, machined caged type, open enclosure
✅ Dynamic load capacity 255000 N and static capacity 766000 N
✅ 200 mm inside diameter, 250 mm outside diameter, 50 mm width
✅ High-carbon steel inner ring with oil holes for lubrication
✅ Maximum speed 1600 rpm; weight approx 1.000 lb; sold as one unit

💡 What is a needle roller bearing used for in heavy radial load applications? A needle roller bearing is a handy choice when space is tight and you need strong radial support in rotating shafts. - Ideal for compact shafts and housings where a sealed ball bearing or larger roller would not fit - Common in gearboxes, conveyor drives, and linear slide unit guides for smooth motion - Works well with lubrication points or oil holes to extend service life and cut maintenance time - Provides high load capacity relative to size, often replacing larger plain bearings