Machined needle roller bearing NA4834, single bearing, 170 mm inside diameter, 215 mm outside diameter, 45 mm width, high carbon steel inner ring with oil holes, caged NA48 metric series

Machined NA4834 needle roller bearing, 170x215x45 mm
✔️ Single bearing, ID170 OD215 W45 mm, high carbon, oil holes

This single machined needle roller bearing is a caged NA48 metric unit used for heavy-duty shafts, gearboxes, and linear slide units in industrial equipment.

✅ Model NA4834, NA48 metric series
✅ Inner diameter 170 mm, outer diameter 215 mm, width 45 mm
✅ High carbon steel inner ring, caged machined type
✅ Oil holes included, open enclosure, max speed 1900 rpm
✅ Dynamic load 211000 N, static load 567000 N; weight ~1.0 lb each

💡 What is a needle roller bearing used for in shafts and linear slide units? A needle roller bearing supports high radial loads with a low cross-section and is handy where space is tight and precise shaft guidance is needed. - Ideal for compact heavy-duty shaft support and gearbox applications, improving load capacity without a bulky sealed ball bearing - Common choice for linear slide unit guidance where a slim profile and high radial stiffness are required - Works well with hardened shafts and can be paired or compared with ceramic bearings for low-friction or high-speed needs