{"product_id":"tc-oil-seal-22mm-id-nbr-skeleton-rotary-shaft-seal-double-lip","title":"TC Oil Seal 22mm ID NBR Skeleton Rotary Shaft Seal Double Lip | OD 32–52mm","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right OD and height for my application?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Match the ID (22mm) to your shaft diameter and the OD to your housing bore. Heights of 7mm (≈9\/32\\u201d) and 10mm (≈3\/8\\u201d) are available — choose based on the axial space in your housing. When in doubt, measure the old seal or consult your equipment manual.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What load or pressure can these seals handle?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"TC skeleton oil seals are generally designed for low-to-moderate pressure applications (typically up to 0.05 MPa \/ 7 psi). They are not intended for high-pressure hydraulic systems. For higher pressures, a different seal type is recommended.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can these seals be used outdoors or in wet environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"NBR (Nitrile) rubber offers good resistance to water, oil, and grease, making it suitable for many outdoor and wet environments. However, NBR is not recommended for prolonged exposure to ozone, UV, or aromatic fuels. For harsh outdoor conditions, consider VITON seals.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What shaft and housing standards are these compatible with?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These TC-type seals follow metric dimensions and are generally compatible with ISO 6194 \/ DIN 3760 standard housings. Always verify the ID, OD, and height against your equipment specs before ordering.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What temperature range can NBR seals withstand?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"NBR rubber typically performs well in temperatures ranging from approximately -40°F to +250°F (-40°C to +120°C). Sustained exposure above this range may cause premature hardening or seal failure.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is the difference between a single-lip and double-lip (TC) oil seal?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A single-lip seal retains lubricant on one side. A double-lip TC seal adds a secondary dust lip that faces outward, blocking contaminants like dirt and moisture from entering the bearing or housing — making it the preferred choice for most automotive and machinery applications.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I install a TC skeleton oil seal correctly?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Clean the housing bore and shaft. Apply a thin film of clean grease to the seal lip and housing bore. Press the seal in squarely using a seal driver or a flat block — never hammer directly on the seal face. Ensure the primary lip faces the lubricant side.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eTC Skeleton Oil Seal 22mm ID — Stop Leaks and Keep Contaminants Out\u003c\/h2\u003e\n    \u003cp\u003eIf you're dealing with grease leaking past a worn shaft seal, or grit working its way into a bearing housing, a reliable rotary shaft seal is the fix. These TC skeleton oil seals are built for mechanics, equipment technicians, and serious DIYers who need a dependable metric seal that fits right and lasts.\u003c\/p\u003e\n    \u003cp\u003eEach seal features a 22mm (≈7\/8\") inner diameter with outer diameters ranging from 32mm (≈1-1\/4\") to 52mm (≈2\"), and heights of either 7mm (≈9\/32\") or 10mm (≈3\/8\"). The construction combines an NBR 70 nitrile rubber body with a rigid metal skeleton frame and an internal garter spring — the spring keeps constant radial pressure on the shaft for a consistent, leak-free seal. Available in quantities of 1, 2, 5, or 20 pieces.\u003c\/p\u003e\n    \u003cp\u003eThese seals are well-suited for automotive gearboxes, small engine crankshafts, agricultural equipment axles, and general industrial machinery where a metric double-lip rotary shaft seal is required. The double-lip TC design is the go-to choice for applications exposed to both lubricant retention and external contamination.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003eℹ️\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility Note:\u003c\/strong\u003e These seals have a fixed 22mm inner diameter. Select your OD and height from the variant options to match your housing bore and axial space. Refer to your equipment manual or measure your existing seal before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These TC Skeleton Oil Seals\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eDouble-Lip TC Design\u003c\/strong\u003e — The primary lip retains lubricant while the secondary dust lip blocks dirt, debris, and moisture — ideal for double lip rotary shaft seal applications in dirty or wet environments.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🌡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eNBR 70 Nitrile Rubber\u003c\/strong\u003e — Resists petroleum-based oils, greases, and water across a wide temperature range (typically -40°F to +250°F), making it a reliable nitrile rubber oil seal for most automotive and industrial fluids.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eRigid Metal Skeleton Frame\u003c\/strong\u003e — The embedded steel case maintains the seal's round shape during press-fit installation and prevents distortion under operating loads.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eGarter Spring Loaded Lip\u003c\/strong\u003e — An internal coil spring applies consistent radial force against the shaft, compensating for minor shaft runout and maintaining sealing contact over time.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eMultiple OD Options (32–52mm)\u003c\/strong\u003e — Nine size combinations with ODs from 32mm to 52mm let you find the exact metric skeleton oil seal that matches your housing bore without modification.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e — Order 1, 2, 5, or 20 pieces — whether you need a single replacement seal or a shop stock of TC oil seals for ongoing maintenance.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — TC Skeleton Rotary Shaft Oil Seal\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eSeal Type\u003c\/th\u003e\n\u003ctd\u003eTC (Double Lip Skeleton Oil Seal)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eInner Diameter (ID)\u003c\/th\u003e\n\u003ctd\u003e22mm (≈7\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eOuter Diameter (OD)\u003c\/th\u003e\n\u003ctd\u003e32mm \/ 35mm \/ 38mm \/ 40mm \/ 42mm \/ 45mm \/ 50mm \/ 52mm — see variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e7mm (≈9\/32\") or 10mm (≈3\/8\") — see variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eNBR 70 (Nitrile Butadiene Rubber) + Metal Frame + Garter Spring\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eLip Configuration\u003c\/th\u003e\n\u003ctd\u003eDouble lip (primary sealing lip + secondary dust exclusion lip)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003eTypically -40°F to +250°F (-40°C to +120°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMax Shaft Speed\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm for your specific application\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePressure Rating\u003c\/th\u003e\n\u003ctd\u003eLow-pressure \/ non-pressurized (typically ≤ 0.05 MPa)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Fluids\u003c\/th\u003e\n\u003ctd\u003ePetroleum-based oils, greases, water (not suitable for aromatic fuels or ozone exposure)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStandard Reference\u003c\/th\u003e\n\u003ctd\u003eGenerally compatible with ISO 6194 \/ DIN 3760 metric housings\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e1 \/ 2 \/ 5 \/ 20 pcs — see variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eBefore You Order:\u003c\/strong\u003e Verify your housing bore (OD), shaft diameter (ID = 22mm), and available axial depth (height) against your equipment specs. If you're unsure, measure your existing seal or contact us.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right OD and height for my application?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eMatch the ID (22mm \/ ≈7\/8\") to your shaft diameter and the OD to your housing bore. Heights of 7mm (≈9\/32\") and 10mm (≈3\/8\") are available — choose based on the axial space in your housing. When in doubt, measure the old seal or consult your equipment manual. A seal that is too tall will not seat flush; one that is too short may not seal properly.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat load or pressure can these seals handle?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eTC skeleton oil seals are generally designed for low-to-moderate pressure applications (typically up to 0.05 MPa \/ ~7 psi). They are not intended for high-pressure hydraulic systems. For pressurized applications, a different seal type — such as a lip seal with a backup ring — is recommended.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan these seals be used outdoors or in wet environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eNBR (Nitrile) rubber offers good resistance to water, oil, and grease, making it suitable for many outdoor and wet environments. However, NBR is generally not recommended for prolonged exposure to ozone, UV radiation, or aromatic\/halogenated fuels. For harsh outdoor or chemical environments, a VITON (FKM) seal may be a better fit.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat shaft and housing standards are these compatible with?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese TC-type seals follow metric dimensions and are generally compatible with ISO 6194 \/ DIN 3760 standard housings. The TC designation indicates a double-lip design with a metal outer case. Always verify the ID, OD, and height against your equipment specs before ordering to ensure a proper press fit.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat temperature range can NBR seals withstand?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eNBR rubber typically performs well in temperatures ranging from approximately -40°F to +250°F (-40°C to +120°C). Sustained exposure above this range may cause premature hardening, cracking, or seal failure. If your application runs hotter, consider a silicone or VITON seal instead.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the difference between a single-lip and double-lip (TC) oil seal?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA single-lip seal retains lubricant on one side only. A double-lip TC seal adds a secondary dust lip that faces outward, blocking contaminants like dirt, grit, and moisture from entering the bearing or housing. This makes the TC double lip rotary shaft seal the preferred choice for most automotive, agricultural, and general machinery applications where both retention and exclusion are needed.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I install a TC skeleton oil seal correctly?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eClean the housing bore and shaft thoroughly. Apply a thin film of clean grease to the seal lip and the housing bore. Press the seal in squarely using a seal driver or a flat block — never hammer directly on the seal face, as this can distort the metal case. Ensure the primary lip faces the lubricant side (inward). Do not over-drive the seal past flush.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your \u003cstrong\u003esize and quantity\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"22*32*7mm \/ 1 Pcs","offer_id":52334185611538,"sku":"GYLXGLBZSJ009359x1","price":2.0,"currency_code":"USD","in_stock":true},{"title":"22*35*7mm \/ 1 Pcs","offer_id":52334185644306,"sku":"GYLXGLBZSJ009360x1","price":1.96,"currency_code":"USD","in_stock":true},{"title":"22*35*10mm \/ 1 Pcs","offer_id":52334185677074,"sku":"GYLXGLBZSJ009361x1","price":1.96,"currency_code":"USD","in_stock":true},{"title":"22*38*10mm \/ 1 Pcs","offer_id":52334185709842,"sku":"GYLXGLBZSJ009362x1","price":2.0,"currency_code":"USD","in_stock":true},{"title":"22*40*10mm \/ 1 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