Single Needle Roller Bearing RNAFW284032 - 28 mm ID x 40 mm OD x 32 mm W, Separable Caged, High Carbon Steel with Oil Holes for Linear Slide Units & Machinery

Single needle roller bearing 28 x 40 x 32 mm, caged
✔️ High carbon steel, separable cage, oil holes, 34400 N dyn

This single caged needle roller bearing is a compact radial bearing used in linear slide units, transmissions, and compact machinery where high radial load capacity and easy serviceability are required.

✅ Bore (ID): 28 mm
✅ Outside diameter (OD): 40 mm
✅ Width: 32 mm, two rows, separable caged design
✅ Material: high carbon steel, open enclosure with oil holes
✅ Dynamic load capacity: 34400 N; Static load capacity: 53000 N; max speed 18000 rpm
✅ Type: caged separable (RNAFW metric series), single bearing per listing

💡 How do needle roller bearings support high radial loads in compact linear slide units? Needle roller bearings increase contact area with long, thin rollers to carry higher radial loads in limited spaces. Short intro: Handy for tight assemblies where load capacity matters more than axial play. - High radial load capacity makes them ideal for linear slide unit and cam follower applications where space is tight. - Compared to sealed ball bearing or ceramic options, needle rollers deliver higher load per footprint for compact machinery. - Separable caged designs simplify installation and maintenance; oil holes aid lubrication and service life.