Single RNAST45R roller follower, separable metric type, 55 mm inside diameter, caged open design without inner ring, crowned rollers, high-carbon chrome steel, 85 mm diameter, 19.8 mm width

Single RNAST45R separable roller follower, metric 55 mm
✔️ Caged separable type; no inner ring; 85 mm roller dia; 19.8 mm width

This is a separable caged roller follower used in linear slide units, cam followers, and conveyor systems where crowned rollers and high load capacity are required.

✅ Model: RNAST45R, single caged separable roller follower
✅ Inside diameter: 55 mm
✅ Roller diameter: 85 mm; roller width: 19.8 mm
✅ Material: high carbon chrome steel, crowned rollers
✅ Dynamic load capacity: 37,400 N; Static load capacity: 66,400 N
✅ Temperature rating: -20 to 120 °C; open enclosure; no inner ring
✅ Series: RNAST Metric Series; Pack: single bearing; Weight: 1.010 lb

💡 What is a roller follower used for in linear slide units and conveyor applications? A roller follower supports and guides motion under radial and thrust loads in cam mechanisms, conveyors, and linear slide unit assemblies, helping maintain alignment and reduce wear. Quick overview: - Provides heavy-load support and lower rolling friction versus some sealed ball bearing options in cam and conveyor systems. - Crowned rollers improve tracking and alignment for smooth operation in linear slide units and cam followers. - Compatible with high-carbon chrome steel construction and can be paired with ceramic or sealed ball bearing elements in hybrid systems.