What load or pressure can these TC oil seals handle?

TC-type rotary shaft seals are generally designed for low-to-medium pressure applications. They are typically rated for shaft speeds up to 4–8 m/s and pressures up to 0.05 MPa under standard conditions. Consult your equipment manual to confirm suitability.

Are these FKM oil seals suitable for outdoor or harsh environments?

Yes. FKM (Viton) rubber offers excellent resistance to heat, ozone, UV, and a wide range of chemicals and oils, making it generally well-suited for outdoor, high-temperature, and chemically aggressive environments compared to standard NBR seals.

What shaft and bore standards are these seals compatible with?

These TC skeleton oil seals follow metric dimensional standards and are typically compatible with ISO 6194 and DIN 3760 shaft seal specifications. Always cross-reference the ID, OD, and thickness with your equipment's housing dimensions.

What is the difference between a single-lip and a dual-lip (TC) oil seal?

A single-lip seal retains lubricant on one side. A TC dual-lip seal adds a secondary dust lip that faces outward, providing an extra barrier against dirt, water, and contaminants — making it the preferred choice for most industrial and automotive applications.

Can I use these seals in gearboxes, pumps, and motors?

Yes. TC rotary shaft oil seals are commonly used in gearboxes, hydraulic pumps, electric motors, agricultural equipment, and automotive axles. Verify that the seal dimensions match your housing bore and shaft diameter before installation.

How do I convert the seal thickness from mm to inches?

Divide the mm value by 25.4. For example: 7mm ÷ 25.4 ≈ 0.276 inches; 10mm ÷ 25.4 ≈ 0.394 inches; 12mm ÷ 25.4 ≈ 0.472 inches.

TC Oil Seal ID 35 36 38mm – FKM Rubber Dual Lip Rotary Shaft Seal Ring

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TC Oil Seal ID 35 36 38mm – FKM Rubber Dual Lip Rotary Shaft Seal Ring

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Sizes (ID x OD x Thickness): 35*42*7mm

Packing QTY (Piece): 1 PCS

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TC Oil Seal ID 35–38mm — Stop Leaks on Rotary Shafts with FKM Dual Lip Protection

Dealing with oil leaks around a rotating shaft is one of the most frustrating maintenance headaches for mechanics, equipment operators, and DIYers alike. Whether you're rebuilding a gearbox, servicing a hydraulic pump, or replacing a worn seal on an agricultural machine, a failed or wrong-sized TC oil seal can mean costly downtime and messy cleanups. These TC skeleton oil seals with ID 35–38mm are engineered to deliver a reliable, long-lasting seal on rotary shafts across a wide range of industrial and automotive applications.

Each seal is a TC-type (dual lip) skeleton oil seal constructed from FKM (fluoroelastomer / Viton-grade) rubber bonded over a rigid steel skeleton. The inner diameter (ID) covers 35mm, 36mm, and 38mm shaft sizes; outer diameters (OD) range from 42mm to 80mm; and thickness options span 5mm to 12mm — giving you precise fitment across dozens of housing configurations. Sizes are expressed as ID × OD × Thickness (e.g., 35×55×7mm ≈ 1.38" × 2.17" × 0.28"). Available individually (1 PCS) or in value packs (5 PCS).

These rotary shaft seal rings are widely used in industrial gearboxes, hydraulic pumps, electric motors, automotive axle housings, and agricultural equipment — anywhere a dependable FKM rubber dual lip seal ring is needed to keep lubricants in and contaminants out.

🔧 Compatibility Note: These seals follow metric dimensions (ISO 6194 / DIN 3760 standards). Confirm your shaft ID, housing bore OD, and housing depth (thickness) before ordering. If your equipment uses inch-based sizing, contact us to confirm fit.

✅ Key Features of These TC FKM Dual Lip Rotary Shaft Oil Seals

🛡️Dual Lip TC Design — The primary lip retains lubricant while the secondary dust lip blocks dirt, water, and debris, making this TC skeleton oil seal far more effective than single-lip alternatives in contaminated environments.
🔥FKM Fluoroelastomer Rubber — Resists temperatures typically from -20°C to +200°C (-4°F to +392°F), along with petroleum oils, hydraulic fluids, and many chemicals — outperforming standard NBR seals in demanding conditions.
⚙️Rigid Steel Skeleton Core — The internal metal reinforcement maintains the seal's round shape under press-fit installation and prevents distortion during operation, ensuring consistent contact with the shaft.
📐Wide Size Selection — ID 35mm, 36mm, and 38mm with OD options from 42mm to 80mm and thickness from 5mm to 12mm, covering a broad range of gearbox oil seal and pump shaft seal replacement needs.
🏭Versatile Industrial Fit — Suitable for rotary shaft sealing in electric motors, hydraulic pumps, agricultural machinery, automotive differentials, and general industrial equipment where a reliable FKM rubber seal ring is required.
📦Flexible Pack Quantities — Order a single piece (1 PCS) for a one-off repair or choose the 5 PCS value pack for maintenance stock — both options ship from our US warehouse for fast delivery.

📐 Technical Specifications — TC Skeleton Rotary Shaft Oil Seal

Seal Type	TC (Double Lip / Dual Lip Skeleton Oil Seal)
Inner Diameter (ID)	35mm, 36mm, 38mm — see variant options
Outer Diameter (OD)	42mm – 80mm — see variant options
Thickness	5mm – 12mm (≈0.20" – 0.47") — see variant options
Lip Material	FKM (Fluoroelastomer / Viton-grade rubber)
Skeleton / Core	Carbon steel (rigid internal reinforcement)
Lip Configuration	Primary sealing lip + secondary dust exclusion lip
Operating Temperature	Typically -20°C to +200°C (-4°F to +392°F)
Compatible Media	Petroleum oils, hydraulic fluids, greases, many chemicals
Dimensional Standard	Metric (generally ISO 6194 / DIN 3760 compatible)
Packing Options	1 PCS / 5 PCS
Application	Gearboxes, pumps, motors, axles, agricultural equipment
Country of Origin	Contact us to confirm

⚠️ Sizing Tip: The size format is ID × OD × Thickness in mm. Example: 35×55×7mm = 35mm shaft bore (≈1.38"), 55mm housing bore (≈2.17"), 7mm depth (≈0.28"). Always measure all three dimensions before selecting your variant.

❓ Frequently Asked Questions

How do I choose the right TC oil seal size for my application?

Measure three dimensions: (1) the shaft outer diameter — this is your ID; (2) the housing bore inner diameter — this is your OD; (3) the housing depth — this is your thickness. For example, a 35×55×7mm seal fits a 35mm shaft (≈1.38"), a 55mm bore (≈2.17"), and a 7mm deep housing (≈0.28"). When in doubt, check your equipment's service manual or measure the old seal directly.

What pressure and shaft speed can these TC oil seals handle?

TC-type rotary shaft seals are generally designed for low-to-medium pressure environments — typically up to 0.05 MPa under standard conditions. Shaft speeds are generally suitable up to 4–8 m/s depending on the specific size and lubrication. For high-speed or high-pressure applications, consult your equipment specifications to confirm suitability.

Are these FKM seals suitable for outdoor or high-temperature use?

Yes. FKM (fluoroelastomer) rubber generally withstands temperatures from -20°C to +200°C (-4°F to +392°F) and offers strong resistance to ozone, UV exposure, petroleum oils, and many industrial chemicals. This makes FKM dual lip seal rings a reliable choice for outdoor machinery, high-heat environments, and chemically aggressive applications where standard NBR seals would degrade faster.

What shaft seal standards are these compatible with?

These TC skeleton oil seals use metric dimensions and are generally compatible with ISO 6194 and DIN 3760 rotary shaft seal standards. Always cross-reference the ID, OD, and thickness with your housing specifications. If your equipment uses inch-based sizing, contact us and we can help you identify the closest metric equivalent.

What is the difference between a TC dual lip seal and a single lip seal?

A single-lip (SC-type) seal has one sealing lip that retains lubricant. A TC dual lip seal adds a second, outward-facing dust lip that acts as a barrier against dirt, water, and contaminants entering from outside. In most industrial and automotive applications, the TC design is preferred because it protects both the lubricant and the primary sealing lip from external contamination.

Can I use these seals in gearboxes, hydraulic pumps, and electric motors?

Yes. TC rotary shaft oil seals are commonly used in industrial gearboxes, hydraulic pumps, electric motors, automotive axle housings, agricultural equipment, and general machinery. Confirm that the seal's ID matches your shaft diameter, the OD matches your housing bore, and the thickness fits your housing depth before installation.

How do I convert the seal dimensions from mm to inches?

Divide the millimeter value by 25.4 to get inches. Quick reference examples:

35mm ID ≈ 1.378"
38mm ID ≈ 1.496"
55mm OD ≈ 2.165"
7mm thickness ≈ 0.276"
10mm thickness ≈ 0.394"
12mm thickness ≈ 0.472"

🛒 Select your size (ID × OD × Thickness) and quantity above, then add to cart — ships from our US warehouse.

TC Oil Seal ID 35 36 38mm – FKM Rubber Dual Lip Rotary Shaft Seal Ring

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TC Oil Seal ID 35–38mm — Stop Leaks on Rotary Shafts with FKM Dual Lip Protection

✅ Key Features of These TC FKM Dual Lip Rotary Shaft Oil Seals

📐 Technical Specifications — TC Skeleton Rotary Shaft Oil Seal

❓ Frequently Asked Questions

TC Oil Seal ID 35 36 38mm – FKM Rubber Dual Lip Rotary Shaft Seal Ring

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