{"product_id":"20mm-4-bolt-narrow-plastic-flange-bearing-single-u","title":"20mm 4-bolt narrow plastic flange bearing single unit with set screw stainless insert black housing open cover and back seal for linear slide unit shaft support sealed ball bearing replacement ceramic-ready","description":"20mm narrow 4-bolt plastic flange bearing, single unit\u003cbr\u003e\n✔️ 20mm bore, set screw, stainless insert, open cover, back seal\n\n\u003cp\u003eThis single 20mm 4-bolt plastic flange bearing with stainless insert and set screw is commonly used to support shafts on linear slide units, conveyor systems, and light machinery where a narrow profile and rear sealing are handy.\u003c\/p\u003e\n\n✅ Single unit, 20mm bore for 20mm shafts\u003cbr\u003e\n✅ Black narrow plastic housing, 4-bolt flange mounting\u003cbr\u003e\n✅ Stainless steel insert with set-screw locking\u003cbr\u003e\n✅ Open cover design with rear back seal protection\u003cbr\u003e\n✅ Ideal for linear slide unit support and shaft alignment\u003cbr\u003e\n✅ Can replace sealed ball bearing setups; ceramic-ready option\u003cbr\u003e\n\n\u003cp\u003e💡 What is a 4-bolt plastic flange bearing used for in linear slide units and shaft support?\nIt’s a handy bearing choice for mounting and protecting rotating shafts in compact machinery.\n- Provides stable shaft support and alignment for linear slide unit systems and conveyor shafts\n- Acts as a sealed ball bearing replacement in damp or washdown environments, with stainless insert and back seal protection\n- Supports upgrades to ceramic rolling elements for higher corrosion resistance or lower friction\u003c\/p\u003e","brand":"MRO","offers":[{"title":"Default Title","offer_id":47971457827051,"sku":"MRO8524","price":186.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/d6d951246f648bf4c1c3b2e99dba8905.jpg?v=1775242296","url":"https:\/\/vxb.com\/products\/20mm-4-bolt-narrow-plastic-flange-bearing-single-u","provider":"VXB Bearings","version":"1.0","type":"link"}