{"product_id":"single-nart40uur-roller-follower-for-linear-slide","title":"Single NART40UUR roller follower for linear slide units, metric 40 mm inside diameter, non-separable caged needle type, sealed bearing in high carbon chrome steel with oil hole and crowned outer surface for cam drives","description":"Single sealed roller follower with 40 mm ID\u003cbr\u003e\n✔️ Non-separable caged type, sealed steel, oil hole, crowned\n\n\u003cp\u003eThis metric NART40UUR roller follower is a sealed, caged needle-type bearing used in cam drives, conveyors and linear slide units for guided motion and repeated load cycles.\u003c\/p\u003e\n\n✅ Model: NART40UUR single bearing, metric 40 mm inside diameter\u003cbr\u003e\n✅ Type: Non-separable caged needle roller follower, sealed design\u003cbr\u003e\n✅ Material: High carbon chrome steel with crowned outer surface\u003cbr\u003e\n✅ Feature: Oil hole for lubrication access, sealed to resist contamination\u003cbr\u003e\n✅ Fits: Linear slide units, cam drives and guide rails for guided motion\u003cbr\u003e\n✅ Pack: 1 bearing per unit, weight approx 1.860 lb, SKU 863334\u003cbr\u003e\n\n\u003cp\u003e💡 What is a roller follower used for in cam systems and linear slide units?\nRoller followers turn rotary profiles into guided linear motion while reducing friction and wear.\n\n- Handles rolling contact loads in cam followers, reducing friction compared with sliding contacts.\n- Commonly used on linear slide units and guide rails where sealed bearings help keep out contaminants.\n- Preferred when crowned outer surfaces and lubrication points like oil holes improve life and tracking.\n\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511480316223,"sku":"863334","price":405.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/eb3e9fb15e9565c468fd304231f08264.jpg?v=1776635825","url":"https:\/\/bearingscanada.com\/products\/single-nart40uur-roller-follower-for-linear-slide","provider":"Bearings Canada","version":"1.0","type":"link"}