{"product_id":"single-rnast45r-roller-follower-separable-metric-t","title":"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","description":"Single RNAST45R separable roller follower, metric 55 mm\u003cbr\u003e\n✔️ Caged separable type; no inner ring; 85 mm roller dia; 19.8 mm width\n\n\u003cp\u003eThis 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.\u003c\/p\u003e\n\n✅ Model: RNAST45R, single caged separable roller follower\u003cbr\u003e\n✅ Inside diameter: 55 mm\u003cbr\u003e\n✅ Roller diameter: 85 mm; roller width: 19.8 mm\u003cbr\u003e\n✅ Material: high carbon chrome steel, crowned rollers\u003cbr\u003e\n✅ Dynamic load capacity: 37,400 N; Static load capacity: 66,400 N\u003cbr\u003e\n✅ Temperature rating: -20 to 120 °C; open enclosure; no inner ring\u003cbr\u003e\n✅ Series: RNAST Metric Series; Pack: single bearing; Weight: 1.010 lb\u003cbr\u003e\n\n\u003cp\u003e💡 What is a roller follower used for in linear slide units and conveyor applications?\nA 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.\nQuick overview:\n- Provides heavy-load support and lower rolling friction versus some sealed ball bearing options in cam and conveyor systems.\n- Crowned rollers improve tracking and alignment for smooth operation in linear slide units and cam followers.\n- Compatible with high-carbon chrome steel construction and can be paired with ceramic or sealed ball bearing elements in hybrid systems.\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511488540991,"sku":"863022","price":257.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/308a4f6a5ed4a3a484c1b1d17a36c3a2.png?v=1776635811","url":"https:\/\/bearingscanada.com\/products\/single-rnast45r-roller-follower-separable-metric-t","provider":"Bearings Canada","version":"1.0","type":"link"}