57-58mm ID Metric TC Oil Seal | R23 Double Lip NBR Rotary Shaft Seal

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57-58mm ID Metric TC Oil Seal | R23 Double Lip NBR Rotary Shaft Seal

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Size(ID x OD x Height): 57 x 70 x 7mm

Pack Quantity(Pcs): 1

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57–58mm ID Metric TC Oil Seal — Stop Leaks at the Source with R23 Double Lip NBR Construction

Mechanics, equipment rebuilders, and DIY enthusiasts know the frustration of a weeping shaft seal: oil stains on the floor, contaminated bearings, and a repair job that has to be done twice. These 57–58mm inner diameter metric TC oil seals are engineered to seat firmly in standard metric housings and maintain a reliable dynamic seal on rotating shafts — so you fix it once and move on.

Each seal follows the R23 metric standard with a TC (double-lip) arrangement. The primary sealing lip is made from NBR (Nitrile Butadiene Rubber), which provides solid resistance to petroleum-based oils and greases. A secondary dust-exclusion lip adds a second line of defense against dirt and moisture ingress. Inner diameters are 57mm (≈2.244") or 58mm (≈2.283"); outer diameters range from 68mm to 95mm (≈2.677" to ≈3.740"); and seal heights (widths) span 6mm to 12mm (≈0.236" to ≈0.472") across the available variants. Select your exact size combination from the variant dropdowns above.

These rotary shaft seals are commonly used in agricultural equipment gearboxes, industrial gearboxes and reducers, automotive axle and differential housings, hydraulic pump shafts, and general-purpose rotating machinery where a metric TC oil seal replacement is required. The standardized R23 profile makes cross-referencing to OEM part numbers straightforward for most metric applications.

ℹ️ Compatibility Note: These seals are designed for metric housings following the R23 standard. Always verify your shaft ID, housing bore OD, and groove depth before ordering. If your equipment uses an imperial (inch) seal, please contact us to confirm cross-compatibility.

✅ Key Features of These TC Oil Seals

🔩R23 Metric Standard Profile — Conforms to the widely adopted R23 metric oil seal standard, making it straightforward to cross-reference against OEM part numbers in agricultural, industrial, and automotive gearbox applications.
🛡️TC Double-Lip Design — The primary NBR lip seals against oil leakage while the secondary lip acts as a dust and moisture excluder, giving the bearing cavity two layers of protection in a single rotary shaft seal.
🧪NBR Elastomer Construction — Nitrile rubber offers reliable compatibility with petroleum-based hydraulic oils, gear oils, engine oils, and ATF across a typically rated range of -40°F to +250°F (-40°C to +120°C).
📐Wide Size Selection — Available in 57mm and 58mm inner diameters with outer diameters from 68mm to 95mm and heights from 6mm to 12mm, covering a broad range of metric gearbox and axle seal applications in one listing.
📦Flexible Pack Quantities — Order 1, 2, 3, 5, or 10 pieces per transaction — ideal whether you need a single replacement seal for a one-off repair or a small stock of metric TC oil seals for a workshop or fleet maintenance program.
🚚Ships from US Warehouse — Stocked and fulfilled domestically, so you get faster delivery compared to overseas-only suppliers — keeping your equipment downtime to a minimum.

📐 Technical Specifications — TC Oil Seal (R23 Metric Double Lip)

Seal Type	TC (Double Lip / R23 Metric)
Inner Diameter (ID)	57mm (≈2.244") or 58mm (≈2.283") — see variant options
Outer Diameter (OD)	68mm – 95mm (≈2.677" – ≈3.740") — see variant options
Height (Width)	6mm – 12mm (≈0.236" – ≈0.472") — see variant options
Lip Material	NBR (Nitrile Butadiene Rubber)
Lip Arrangement	TC — Primary sealing lip + secondary dust-exclusion lip
Garter Spring	See variant options / Contact us to confirm
Operating Temperature	Typically -40°F to +250°F (-40°C to +120°C)
Compatible Fluids	Petroleum-based oils, gear oils, ATF, water-glycol (not for ketones or phosphate esters)
Standard	R23 Metric
Pack Quantity	1 / 2 / 3 / 5 / 10 pcs — see variant options
Fulfillment	Ships from US warehouse

⚠️ Before You Order: Measure your shaft diameter (ID), housing bore (OD), and groove depth (Height) with calipers. Do not rely solely on a visual match. If you are unsure, contact us with your equipment make, model, and original part number and we will help confirm the correct size.

❓ Frequently Asked Questions

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

Measure the shaft diameter (ID), the bore diameter (OD), and the housing depth (Height) with calipers. For these seals, the ID is 57mm (≈2.244") or 58mm (≈2.283"). Match all three dimensions to the variant listed. When in doubt, consult your equipment's service manual or contact us to confirm the correct size before ordering.

What does TC lip arrangement mean?

TC (also written as TCV or double-lip) means the seal has two sealing lips — a primary lip that contacts the shaft and a secondary dust-exclusion lip. This arrangement generally provides better contamination resistance than single-lip (SC) designs, making it a common choice for gearboxes and axle housings exposed to dirt or moisture.

What is the maximum operating temperature for NBR oil seals?

NBR (Nitrile Butadiene Rubber) seals are typically rated for continuous service from approximately -40°F to +250°F (-40°C to +120°C). For higher-temperature applications — such as near exhaust components or high-speed industrial machinery — a Viton (FKM) seal is generally recommended instead.

Can these oil seals be used outdoors or in wet environments?

NBR has good resistance to petroleum-based oils, water, and mild weather exposure. The TC double lip provides an added barrier against moisture and dust ingress, making these seals suitable for outdoor equipment such as agricultural machinery and utility vehicles. For prolonged exposure to aggressive chemicals or UV radiation, a different elastomer may be more appropriate — contact us to discuss your application.

What fluid types are compatible with NBR oil seals?

NBR seals are generally compatible with petroleum-based hydraulic oils, gear oils, engine oils, automatic transmission fluid (ATF), and water-glycol fluids. They are not recommended for use with phosphate-ester hydraulic fluids, ketones, esters, or aromatic solvents. If your application uses a synthetic or specialty fluid, contact us to confirm compatibility before ordering.

How do I know which OD and height variant to order?

The OD must match your housing bore diameter and the height (width) must fit within the housing groove depth. Available ODs range from 68mm to 95mm and heights from 6mm to 12mm across variants. Measure your housing carefully or cross-reference the original part number before ordering. If you have the old seal in hand, measure it directly — that is typically the most reliable method.

What shaft surface speed can these rotary shaft seals handle?

TC-type NBR oil seals are typically suitable for shaft surface speeds up to approximately 4–6 m/s (roughly 800–1,200 ft/min) under normal lubricated conditions. Actual limits depend on shaft surface finish, runout, and operating temperature. Contact us if your application involves high-speed shafts or unusual operating conditions.

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

57-58mm ID Metric TC Oil Seal | R23 Double Lip NBR Rotary Shaft Seal

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Beschreibung

57–58mm ID Metric TC Oil Seal — Stop Leaks at the Source with R23 Double Lip NBR Construction

✅ Key Features of These TC Oil Seals

📐 Technical Specifications — TC Oil Seal (R23 Metric Double Lip)

❓ Frequently Asked Questions

57-58mm ID Metric TC Oil Seal | R23 Double Lip NBR Rotary Shaft Seal

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