{"product_id":"ukf218hs2318-4-bolt-flange-sealed-ball-bearing-sin","title":"UKF218+HS2318 4-Bolt Flange Sealed Ball Bearing Single Unit, 3-1\/8 in I.D., Wide Inner Ring, 7\/8 in Bolt Size, Concentric Adapter, Cast Iron F218 Housing, Contact Seal with Slinger, 1\/8-27 NPT","description":"Single sealed ball bearing 4-bolt flange, 3-1\/8 in I.D.\u003cbr\u003e\n✔️ Concentric adapter, cast iron F218 housing, 7\/8 in bolts, relube ready\n\n\u003cp\u003eThis single sealed ball bearing assembly (UKF218+HS2318) is a 4-bolt flange unit used in industrial equipment like conveyors, reducers, drives and linear slide units where a concentric adapter and sealed protection are needed.\u003c\/p\u003e\n\n✅ Model: UKF218+HS2318 - 4-bolt flange type\u003cbr\u003e\n✅ I.D.: 3-1\/8 in (inner diameter), wide inner ring\u003cbr\u003e\n✅ Bolt size: 7\/8 in, housing style F218, cast iron housing\u003cbr\u003e\n✅ Insert: bearing steel, ball bearing insert, concentric adapter locking\u003cbr\u003e\n✅ Seal: contact seal with slinger, relubricatable, lubrication tap 1\/8-27 NPT\u003cbr\u003e\n✅ Temperature rating: up to 212°F, duty: standard, covers: no expansion required\u003cbr\u003e\n\n\u003cp\u003e 💡 What is a 4-bolt flange sealed ball bearing used for in conveyor and linear slide unit installations?\nA sealed ball bearing flange unit gives reliable shaft support and helps keep contaminants out.\n- Provides secure flange mounting and stable radial support for shafts on conveyors, reducers, and linear slide units.\n- Concentric adapter simplifies installation and ensures tight locking of the inner ring for accurate alignment.\n- Contact seal with slinger plus a 1\/8-27 NPT relube port helps retain grease and reduce maintenance intervals.\n- Ideal as a low-maintenance, handy replacement for pillow blocks or housed bearing units needing sealed protection.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47971431842027,"sku":"MRO1852","price":680.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/4ed2ea6ac79b628afda94b0395086646.jpg?v=1775241725","url":"https:\/\/vxb.com\/products\/ukf218hs2318-4-bolt-flange-sealed-ball-bearing-sin","provider":"VXB Bearings","version":"1.0","type":"link"}