Single RNAST25R Roller Follower, Metric Separable Caged Type without Inner Ring, 30 mm I.D., 52 mm Rollers, 15.8 mm Width, High Carbon Chrome Steel, Open Crowned Surface

Single separable metric roller follower RNAST25R, open
✔️ 30 mm I.D., 52 mm rollers, 15.8 mm width, caged, open

This single separable roller follower is a precision metric bearing used on shafts, cam tracks and linear slide unit setups in automation, conveyors and machine tools. It offers crowned rollers for smooth contact and easy service.

✅ Model: RNAST25R, RNAST Metric Series
✅ Type: separable, caged roller follower, without inner ring
✅ Inner diameter: 30 mm I.D.
✅ Roller diameter: 52 mm; roller width: 15.8 mm
✅ Material: high carbon chrome steel with caged retainer
✅ Roller surface profile: crowned; enclosure: open
✅ Dynamic load capacity: 20,800 N; static load capacity: 28,400 N
✅ Temperature rating: -20 to 120 deg C
✅ Pack: single bearing; weight approx. 0.15 kg

💡 What is a roller follower used for in linear motion and cam systems? A roller follower guides radial loads on shafts and cams and is handy for converting rotary motion to precise linear motion. - Commonly used in linear slide unit guides, cam followers, track rollers and automation equipment for consistent motion control. - Consider sealed ball bearing or ceramic options when you need lower friction, higher speed or improved corrosion resistance. - Caged separable types simplify inspection, maintenance and fast replacement in production machinery.