NAST25ZZR Separable Caged Roller Follower Bearing, Single Unit, Metric 25 mm I.D., 52 mm Rollers, Shielded, Crowned, High Carbon Chrome Steel, Oil Hole for Linear Slide Units

Separable caged roller follower, 25 mm I.D., single unit
✔️ Shielded, crowned rollers, oil hole, 52 mm dia, 20 mm wide

This single separable caged roller follower bearing is made for metric linear slide units, cam drives, indexing shafts and other heavy-radial-load applications where a robust roller is preferred over sealed ball bearings or ceramic options.

✅ Model: NAST25ZZR, NAST Metric Series
✅ Inner diameter: 25 mm (I.D.)
✅ Roller diameter: 52 mm; roller width: 19.8 mm
✅ Overall width: 20 mm; caged retainer design
✅ Material: high carbon chrome steel; shielded with oil hole
✅ Dynamic load capacity: 20,800 N; Static load: 28,400 N
✅ Temperature range: -20 to 120 deg C; separable caged type

💡 What is a separable caged roller follower bearing used for in linear slide units? A separable caged roller follower supports heavy radial loads and guides linear motion with durable rolling elements. - Ideal for linear slide units, cam followers, and indexing shafts where sealed ball bearing or ceramic options may not handle the load as well. - Caged rollers reduce contact friction and allow reliable re-lubrication via the oil hole for longer service life. - Shielded, crowned rollers improve alignment and cut edge loading for smoother motion in heavy machinery.