{"product_id":"double-lip-shaft-seal-ds20284-ds-metric-series-20","title":"Double Lip Shaft Seal DS20284 (DS Metric Series), 20 mm ID x 28 mm OD x 4 mm Width, Rubber\/Steel Single Unit for Rotary Shafts, Gearboxes, Hydraulic Systems, Engines, Sealed Ball Bearing Assemblies","description":"Double lip shaft seal DS20284, single unit, 20 x 28 x 4 mm\u003cbr\u003e\n✔️ ID 20 mm, OD 28 mm, Width 4 mm, Rubber\/Steel, Double Lip, Metric\n\n\u003cp\u003eThis rubber\/steel double lip shaft seal is for rotary shafts and bearing housings. Sold as a single unit (each), it’s commonly used in gearboxes, pumps, engines, and sealed ball bearing assemblies.\u003c\/p\u003e\n\n✅ Model: DS20284, single seal unit\u003cbr\u003e\n✅ Inner diameter 20 mm, outer diameter 28 mm, width 4 mm\u003cbr\u003e\n✅ Material: rubber lip with steel case for low friction and durability\u003cbr\u003e\n✅ Typical fits: rotary shafts, gearboxes, hydraulic systems, pumps\u003cbr\u003e\n✅ Works with sealed ball bearing setups and linear slide unit end caps, helps protect ceramic surfaces\u003cbr\u003e\n\n\u003cp\u003e💡 What is a shaft seal used for in hydraulic systems and sealed ball bearing assemblies?\nA shaft seal keeps fluids in and contaminants out to protect bearings and moving parts.\n\nShort intro and quick takeaways:\n- Keeps lubricant inside housings and gearboxes to extend sealed ball bearing life and reduce wear\n- Prevents dirt, water, and debris from entering pumps, engines, and hydraulic units\n- Helps maintain low friction operation for smoother performance and longer service intervals\n- Handy for protecting ceramic bearing raceways and for use at linear slide unit end caps\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511051186495,"sku":"860434","price":24.62,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/eb2b1fac35893a67e0dc37d804aa769a.jpg?v=1776666453","url":"https:\/\/bearingscanada.com\/products\/double-lip-shaft-seal-ds20284-ds-metric-series-20","provider":"Bearings Canada","version":"1.0","type":"link"}