{"product_id":"timken-55078s-radial-shaft-oil-seal-nbr-lip-with-spring","title":"Timken 55078S Radial Shaft Oil Seal NBR Lip With Spring","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"641\"\u003eThe Timken National Oil Seal 55078S is a heavy-duty single-lip radial shaft oil seal designed to retain lubricants while preventing dirt, dust, moisture, and other contaminants from entering rotating shaft systems. It features a spring-loaded nitrile (NBR) sealing lip with a reinforced steel case, providing reliable sealing performance in industrial gearboxes, pumps, compressors, mining equipment, heavy-duty machinery, and power transmission systems. Its robust Type 5S construction is well suited for large shaft applications requiring dependable performance and long service life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"643\" data-end=\"660\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"661\" data-end=\"1126\"\u003eThe Timken National Oil Seal 55078S is engineered for rotary shaft sealing in oil- and grease-lubricated equipment operating under demanding industrial conditions. Its spring-loaded single-lip design provides excellent lubricant retention and contaminant exclusion, making it suitable for industrial gearboxes, heavy-duty pumps, compressors, mining equipment, manufacturing machinery, conveyors, and power transmission systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1128\" data-end=\"1157\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1158\" data-end=\"2136\"\u003e• Manufacturer Part Number (MPN): 55078S\u003cbr data-start=\"1198\" data-end=\"1201\"\u003e• Manufacturer: Timken\u003cbr data-start=\"1223\" data-end=\"1226\"\u003e• Brand: National\u003cbr data-start=\"1243\" data-end=\"1246\"\u003e• Product Type: Oil Seal\u003cbr data-start=\"1270\" data-end=\"1273\"\u003e• Series: 50000 Series\u003cbr data-start=\"1295\" data-end=\"1298\"\u003e• Seal Type: Type 5S Single-Lip with Loaded Spring\u003cbr data-start=\"1348\" data-end=\"1351\"\u003e• Lip Material: Nitrile Rubber (NBR)\u003cbr data-start=\"1387\" data-end=\"1390\"\u003e• Case Material: Steel with Inner Case\u003cbr data-start=\"1428\" data-end=\"1431\" data-is-only-node=\"\"\u003e• Measurement System: Inch\u003cbr data-start=\"1457\" data-end=\"1460\"\u003e• Shaft Diameter (ID): 9.750 in (247.650 mm)\u003cbr data-start=\"1504\" data-end=\"1507\"\u003e• Outside Diameter (OD): 11.260 in (286.004 mm)\u003cbr data-start=\"1554\" data-end=\"1557\"\u003e• Housing Bore: 11.250 in (285.750 mm)\u003cbr data-start=\"1595\" data-end=\"1598\"\u003e• Overall Width: 0.750 in (19.050 mm)\u003cbr data-start=\"1635\" data-end=\"1638\"\u003e• Construction: Solid\u003cbr data-start=\"1659\" data-end=\"1662\"\u003e• Lip Design: Single Lip with Spring\u003cbr data-start=\"1698\" data-end=\"1701\"\u003e• Redi-Coat: Yes\u003cbr data-start=\"1717\" data-end=\"1720\"\u003e• Maximum Shaft Surface Speed: 3,000 ft\/min\u003cbr data-start=\"1763\" data-end=\"1766\"\u003e• Misalignment Tolerance: 0.015 in at 800 RPM; 0.010 in at 4,200 RPM\u003cbr data-start=\"1834\" data-end=\"1837\"\u003e• Continuous Operating Temperature: -40°F to 225°F (-40°C to 107°C)\u003cbr data-start=\"1904\" data-end=\"1907\"\u003e• Weight: Approximately 2.88 lb (1.31 kg)\u003cbr data-start=\"1948\" data-end=\"1951\"\u003e• Typical Applications: Industrial Gearboxes, Heavy-Duty Pumps, Compressors, Mining Equipment, Manufacturing Machinery, Power Transmission Systems. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2138\" data-end=\"2162\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2163\" data-end=\"2408\"\u003e• SKF Equivalent Heavy-Duty Oil Seal\u003cbr data-start=\"2199\" data-end=\"2202\"\u003e• CR (Chicago Rawhide) 97545\u003cbr data-start=\"2230\" data-end=\"2233\"\u003e• Garlock 210863654\u003c\/p\u003e","brand":"Timken","offers":[{"title":"New","offer_id":51714045706542,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_483ccc10-3dfe-43b4-a6e9-119c2623ba70.jpg?v=1770414832","url":"https:\/\/plgautomation.com\/products\/timken-55078s-radial-shaft-oil-seal-nbr-lip-with-spring","provider":"PLG Automation ","version":"1.0","type":"link"}