The OEM Oil Seal 3.875x5.625x0.625 M/L LEATHER is specifically engineered for demanding industrial applications where contamination protection, lubricant retention, and durability are critical.

Unlike conventional synthetic rubber oil seals, the genuine leather sealing lip naturally absorbs lubricant and continuously creates a thin lubrication film between the shaft and sealing surface. This unique self-lubricating characteristic helps reduce friction, minimize shaft wear, and improve sealing performance in difficult operating conditions. Leather oil seals are particularly effective in dusty, dirty, and poorly lubricated environments where synthetic rubber seals may experience accelerated wear.

The M/L (Metal Case / Leather Lip) construction combines a heavy-duty carbon steel outer case with a premium leather sealing element. This design provides excellent structural rigidity and superior resistance against dust, dirt, sand, mud, and abrasive contaminants commonly found in mining, agriculture, construction, and industrial processing applications.

With dimensions of 3.875 x 5.625 x 0.625 inch, this seal is commonly installed in industrial gearboxes, crushers, conveyor systems, pumps, agricultural equipment, and heavy rotating machinery operating in severe service conditions.

⚙️ Applications

• Industrial gearbox
• Mining equipment
• Crushers
• Conveyor systems
• Heavy-duty pumps
• Agricultural machinery
• Construction equipment
• Material handling systems
• Imported inch-size machinery
• Heavy rotating equipment

🎯 Benefits

✔ Excellent oil retention

✔ Superior dust exclusion

✔ Natural self-lubricating properties

✔ Extend shaft and bearing life

✔ Reduce shaft wear

✔ Lower maintenance costs

✔ Ideal for severe industrial environments

🧠 Technical Insight

• Genuine leather absorbs lubricant naturally
• Creates a continuous lubrication film
• Excellent performance in dusty environments
• Steel outer case improves structural rigidity
• Suitable for oil and grease lubrication
• Best suited for slower shaft speeds and heavy-duty equipment

✅ Key Features

• Genuine Leather Sealing Lip
• Heavy-Duty M/L Construction
• Superior Contamination Protection
• Natural Lubrication Properties
• Industrial Grade Performance
• OEM Replacement Ready

📊 Specifications

Brand: OEM

Model: M/L

Size: 3.875 x 5.625 x 0.625 inch

Type: Leather Rotary Shaft Oil Seal

Material: Genuine Leather

Outer Case: Carbon Steel

Construction: Metal Case + Leather Lip

Shaft Diameter (ID): 3.875 inch

Housing Diameter (OD): 5.625 inch

Width: 0.625 inch

Application Class: Heavy-Duty Industrial Service

🔁 Equivalent

Suitable replacement for:

SKF Leather Seal

CR Leather Seal

National Leather Seal

Garlock Leather Seal

Chicago Rawhide Leather Seal

TROSTEL Leather Seal

REPCO Leather Seal

(Always verify dimensions and seal profile before ordering.)

📦 Availability

✅ In Stock

🚚 Fast Delivery Available

📦 MOQ: 1 Piece

📲 Contact via LINE ID: dusitrea

🏭 Suitable for industrial maintenance and OEM replacement