{"product_id":"os-metric-series-single-lip-seal-os21294-21-x-29-x","title":"OS Metric Series Single Lip Seal OS21294, 21 x 29 x 4 mm, Rubber on Steel construction, High-performance axial shaft protector, 1-piece pack for automotive and industrial","description":"Single-lip OS Metric seal OS21294, 21 x 29 x 4 mm\u003cbr\u003e\n✔️ ID 21 x OD 29 x Width 4 mm, Rubber\/Steel, 1-piece pack\n\n\u003cp\u003eThis single-lip rubber-on-steel shaft seal fits 21 x 29 x 4 mm shafts and is sold as a single piece. It’s ideal for automotive engines, transmissions, hydraulic systems, and general industrial machinery.\u003c\/p\u003e\n\n✅ ID: 21 mm\u003cbr\u003e\n✅ OD: 29 mm\u003cbr\u003e\n✅ Width: 4 mm\u003cbr\u003e\n✅ Material: rubber with steel case\u003cbr\u003e\n✅ Series: OS Metric Series, model OS21294\u003cbr\u003e\n✅ Type: single-lip axial shaft seal, compatible with sealed ball bearing and linear slide unit setups\u003cbr\u003e\n\n\u003cp\u003e💡 What is a shaft lip seal used for in automotive and industrial systems?\nA lip seal keeps lubricant in and contaminants out, protecting bearings and moving parts while improving uptime.\nHere’s why a lip seal is handy:\n- Protects sealed ball bearing environments and extends bearing life\n- Keeps lubricant in housings, useful with linear slide unit assemblies\n- Compatible with steel and ceramic bearings plus common lubricants\n- Low-maintenance option that reduces downtime and replacement frequency\u003c\/p\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52511364088127,"sku":"860528","price":28.24,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/4a2e58c87d342c7df09dc00f23d6fe31.jpg?v=1776638428","url":"https:\/\/bearingscanada.com\/products\/os-metric-series-single-lip-seal-os21294-21-x-29-x","provider":"Bearings Canada","version":"1.0","type":"link"}