Single roller follower RNAST45, metric 55 mm inside diameter, separable type without inner ring, caged retainer, high carbon chrome steel, open cylindrical rollers 85 mm width 19.8 mm

Single RNAST45 roller follower, 55 mm ID, caged
✔️ Separable, no inner ring, caged retainer, 55 mm ID, 85 mm rollers

This single RNAST45 roller follower is a separable caged cam follower used in linear slide units, conveyors, and cam tracking systems where high radial loads are present.

✅ Model: RNAST45 Metric Series
✅ Inner diameter: 55 mm
✅ Roller diameter: 85 mm; roller width: 19.8 mm
✅ Material: high carbon chrome steel; open enclosure
✅ Dynamic load capacity: 37400 N; Static: 66400 N
✅ Temperature range: -20 to 120 deg C; caged separable type
✅ Separable design without inner ring for easier maintenance
✅ Pack: single bearing (each); fits linear slide units and cam shafts

💡 What is a roller follower used for in linear slide units and cam follower applications? It provides guided rolling contact to reduce friction and handle radial loads. - It supplies low-friction rolling contact for linear slide units and cam tracks, improving motion accuracy and life. - Handy for high radial load situations, often chosen over plain bearings or sealed ball bearing options. - Compatible with steel rollers or ceramic variants for higher speed or longer service intervals.