{"product_id":"ukfx11h2311-50mm-medium-wide-adapter-4-bolt-flange","title":"UKFX11+H2311 50mm Medium Wide Adapter 4-Bolt Flange FX11 Cast Iron Housing, Concentric Lock, M16 Bolts, 1\/8-27 NPT Grease Port, Sealed Ball Bearing Insert, Single Unit","description":"50mm medium-wide adapter with sealed ball insert\u003cbr\u003e\n✔️ Single unit, 4-bolt flange FX11, concentric lock, M16 bolts, 1\/8-27 NPT\n\n\u003cp\u003eThis single 50mm medium-wide adapter is a sealed ball bearing insert unit for mounting on industrial shafts, common in conveyors, gearboxes, motor drives, and linear slide units.\u003c\/p\u003e\n\n✅ Model UKX11+H2311 insert with H2311 adapter locking concentric\u003cbr\u003e\n✅ I.D. 50 mm (1.969 in) for precision shaft fit\u003cbr\u003e\n✅ Inner ring width: wide design for added bearing support\u003cbr\u003e\n✅ Housing: cast iron, FX11 4-bolt flange style\u003cbr\u003e\n✅ Locking: concentric adapter (H2311), easy installation\u003cbr\u003e\n✅ Bolt size: M16, 4-bolt mounting pattern\u003cbr\u003e\n✅ Lubrication: 1\/8-27 NPT grease fitting, relubrication allowed\u003cbr\u003e\n✅ Seal: contact seal with slinger, medium duty, up to 212°F\u003cbr\u003e\n✅ Insert material: bearing steel, ball bearing type, sealed unit\u003cbr\u003e\n✅ HTS code 8483.20.40.40; pack: single unit ready to install\u003cbr\u003e\n\n\u003cp\u003e💡 What is a 4-bolt flange adapter unit used for in industrial shaft mounting and linear slide systems?\nA 4-bolt flange adapter secures a sealed ball bearing insert into a cast-iron FX11 housing to support shafts with stable alignment and easy relubrication. It delivers solid mounting for medium-duty applications where contamination protection and serviceability matter.\nShort overview of practical uses:\n- Mounting bearings on conveyor shafts, motor drives, gearboxes, and pillow block replacements for reliable shaft support\n- Works with linear slide units and light axial loads; concentric H2311 locking makes installation straightforward\n- Sealed ball bearing inserts with contact seals and slingers resist dirt and extend grease intervals\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511737282879,"sku":"MRO6520","price":429.47,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/a17742736eabd9bc6db39948c5433fdc.jpg?v=1776660705","url":"https:\/\/bearingscanada.com\/products\/ukfx11h2311-50mm-medium-wide-adapter-4-bolt-flange","provider":"Bearings Canada","version":"1.0","type":"link"}