{"product_id":"single-unit-ukf311-he2311-wide-adapter-2-in-id-4-b","title":"Single Unit UKF311 HE2311 Wide Adapter 2 in ID 4-Bolt Flange Concentric Lock Ball Bearing Insert Heavy Duty Cast Iron F311 Housing Sealed Contact with Slinger 1\/8-27 NPT Relubrication","description":"Single 2 in wide adapter bearing unit, cast iron\u003cbr\u003e\n✔️ 2 in (50.8 mm) ID, wide inner ring, 4-bolt F311 flange, 3\/4 in bolts\n\n\u003cp\u003eThis single unit sealed ball bearing adapter (model UKF311+HE2311) is a heavy-duty 4-bolt flange insert used to support shafts in conveyors, agricultural gear, and industrial drive systems. It features a concentric locking adapter and relubrication access for easier maintenance.\u003c\/p\u003e\n\n✅ Model: UKF311+HE2311, insert UK311+HE2311 (single unit)\u003cbr\u003e\n✅ Inner diameter: 2 in (50.8 mm); wide inner ring width\u003cbr\u003e\n✅ Bolt size: 3\/4 in (19.05 mm), 4-bolt flange F311\u003cbr\u003e\n✅ Housing: Cast iron, F311 style; duty: Heavy\u003cbr\u003e\n✅ Insert type: Ball bearing, material bearing steel; concentric adapter lock\u003cbr\u003e\n✅ Seals: Contact seal with slinger; relubrication via 1\/8-27 NPT (1\/8 in \/ 3.175 mm)\u003cbr\u003e\n✅ Max temp: 212 F (100 C); HTS code: 8483.20.40.40\u003cbr\u003e\n✅ No covers included; contact tech support 800 882 8642 for help\u003cbr\u003e\n\n\u003cp\u003e💡 What is a 4-bolt flange sealed ball bearing unit used for in industrial equipment?\nA 4-bolt flange sealed ball bearing unit is a handy shaft support that simplifies mounting, shields the bearing from contaminants, and allows periodic relubrication.\n- Ideal for conveyor idlers, pump and fan drives, and agricultural machinery needing sealed ball bearing protection\n- Concentric adapter inserts make mounting quick and relubrication via 1\/8-27 NPT straightforward to extend service life\n- Cast iron F311 flange housing provides rigid support for wide inner ring shafts (2 in \/ 50.8 mm)\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511502434623,"sku":"MRO2314","price":944.78,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/b3cedf198c3d7f929fe31c2f83d3a528.jpg?v=1776635286","url":"https:\/\/bearingscanada.com\/products\/single-unit-ukf311-he2311-wide-adapter-2-in-id-4-b","provider":"Bearings Canada","version":"1.0","type":"link"}