Caged machined needle roller bearing RNA4838, single open metric unit, 210 mm inside diameter x 240 mm outside diameter x 50 mm width, high carbon steel, oil holes, single-row, RNA48 series heavy duty

Single caged machined needle roller bearing RNA4838
✔️ 210 mm ID x 240 mm OD x 50 mm W, open, oil holes, high carbon steel

This single bearing (sold each) is an open, caged machined-type needle roller bearing used in industrial machinery, linear slide units, shafts and gearboxes where compact radial space and high load capacity are needed.

✅ Model: RNA4838, RNA48 metric series
✅ Dimensions: 210 mm ID × 240 mm OD × 50 mm width
✅ Material: High carbon steel, machined caged design
✅ Type: Single-row, open bearing with oil holes for relubrication
✅ Dynamic load capacity: 249000 N; Static load capacity: 726000 N
✅ Max speed: 1800 rpm; Number of rows: 1
✅ Weight: 7.440 lb; unit sold each (single bearing)

💡 What is a needle roller bearing used for in linear slide units and heavy-duty shaft applications? Needle roller bearings provide very high radial load capacity in a compact profile, making them ideal for tight-fit linear slide units, transmission shafts, and gearbox components. Quick overview: - Ideal for tight radial envelopes in linear slide unit guides and precision carriages. - Handles heavy dynamic loads on shafts, gearboxes, and compact drive systems. - Open caged types with oil holes support relubrication and easier maintenance. - Often chosen when replacing sealed ball bearing setups or for compact rolling element solutions.