{"product_id":"ucfs306-30mm-piloted-4-bolt-single-flange-unit-hea","title":"UCFS306 30mm Piloted 4-Bolt Single Flange Unit Heavy-Duty Set Screw Locking, Sealed Ball Insert in Cast Iron FS306 Housing, Wide Inner Ring, Lubrication Fitting 1\/8-27 NPT for Relubrication","description":"Single UCFS306 30mm Piloted 4-bolt flange unit\u003cbr\u003e\n✔️ 30mm I.D., heavy set screw locking, sealed contact, 1\/8-27 NPT\n\n\u003cp\u003eThis single UCFS306 piloted flange bearing is a sealed ball bearing cartridge in a cast iron FS306 housing, ideal for conveyors, agricultural gearboxes, and industrial shaft supports where a compact, heavy-duty mount is needed.\u003c\/p\u003e\n\n✅ I.D.: 30mm, wide inner ring for increased radial load capacity\u003cbr\u003e\n✅ Insert: bearing steel sealed ball insert for longer life\u003cbr\u003e\n✅ Locking: heavy-duty set screw locking; bolt size M14 for FS306 flange\u003cbr\u003e\n✅ Housing: cast iron FS306 piloted flange, no covers, heavy expansion none\u003cbr\u003e\n✅ Lubrication: 1\/8-27 NPT fitting tap for relubrication; relubrication yes\u003cbr\u003e\n✅ Seals \u0026amp; temp: contact seal with slinger; rated to 212°F; duty heavy\u003cbr\u003e\n✅ Compliance: HTS 8483.20.40.40; single unit weight approx 4.120 lb\u003cbr\u003e\n\n\u003cp\u003e💡 What is a piloted flange bearing used for?\nThey’re handy mounts that simplify shaft support and alignment.\n- Support rotating shafts in conveyors, mixers, agricultural equipment and light industrial gearboxes using a sealed ball bearing cartridge.\n- Offer compact piloted mounting that replaces pillow blocks and pairs well with linear slide unit setups in tight assemblies.\n- Allow retrofit or upgrade with bearing steel or ceramic hybrid inserts for higher speed or corrosion resistance.\n- Make maintenance easy with relubrication fittings and set-screw locking for quick replacement and secure shaft retention.\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47971505307883,"sku":"MRO13729","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/vxb-bearings-collection_eac452af-a405-474d-a881-9bf9e4d7f063.png?v=1775240780","url":"https:\/\/vxb.com\/products\/ucfs306-30mm-piloted-4-bolt-single-flange-unit-hea","provider":"VXB Bearings","version":"1.0","type":"link"}