Caged Machined Needle Roller Bearing RNA4848, 265 mm ID x 300 mm OD x 60 mm Width, High Carbon Steel Open Type with Oil Holes, Single Heavy-Duty Industrial Bearing for Linear Slide Unit and Pillow Block Replacement

Caged machined needle roller bearing RNA4848 265x300x60 mm
✔️ Single bearing, 265 mm ID x 300 mm OD x 60 mm W, HCS, oil holes

This is a single caged machined needle roller bearing (RNA4848) used for heavy-duty radial support in industrial gearboxes, conveyors, linear slide units, and pillow block replacements.

✅ Model: RNA4848 (RNA48 Metric Series)
✅ Inner diameter (ID): 265 mm
✅ Outer diameter (OD): 300 mm
✅ Width (W): 60 mm
✅ Material: High carbon steel, machined caged type
✅ Enclosure: Open type with oil holes for relubrication
✅ Load ratings: Dynamic 345000 N, Static 1150000 N
✅ Max speed: 1300 rpm; single-row; weight ≈ 5.6 kg

💡 What is a needle roller bearing used for in linear slide unit applications? Needle roller bearings provide high radial load capacity in tight radial spaces and are handy when compact, low-profile support is needed. Quick summary: - Ideal where a sealed ball bearing won't fit; compact needle rollers handle higher radial loads in confined housings - Commonly used in linear slide unit guides, gearboxes, conveyor shafts, and pillow block bearing replacements - Features like oil holes allow relubrication; not a ceramic bearing but compatible with designs that incorporate ceramic components