The AEROQUIP 3.000x4.000x0.625 M/L/L LEATHER Oil Seal is engineered for demanding industrial applications where durability, contamination resistance, and reliable lubricant retention are essential.

The M/L/L Profile combines a heavy-duty metal outer case with a genuine leather sealing lip. The reinforced metal structure provides secure housing retention and dimensional stability, while the leather lip naturally conforms to the shaft surface to maintain effective sealing performance. Leather oil seals have long been used in industrial equipment because they perform exceptionally well in dusty, abrasive, and low-lubrication environments.

Unlike conventional elastomer oil seals, the genuine leather sealing lip absorbs lubricant and creates a natural lubrication film between the shaft and sealing surface. This helps reduce friction, minimize shaft wear, and extend equipment life. Leather seals are often preferred in mining equipment, agricultural machinery, industrial pumps, and legacy machinery where harsh environmental conditions are common.

The heavy-duty construction makes this seal suitable for industrial gearboxes, pumps, crushers, conveyor systems, agricultural equipment, and imported machinery using inch-size shafts. It effectively prevents lubricant leakage while protecting bearings and internal components from dust, dirt, moisture, and contaminants.

With dimensions of 3.000 x 4.000 x 0.625 inch, this seal is commonly used in heavy industrial machinery requiring reliable sealing performance and extended maintenance intervals.

⚙️ Applications

• Industrial pumps
• Industrial gearboxes
• Mining equipment
• Agricultural machinery
• Conveyor systems
• Crushers
• Construction equipment
• Power transmission systems
• Imported inch-size machinery
• OEM industrial equipment

🎯 Benefits

✔ Excellent oil retention

✔ Superior dust and contamination protection

✔ Natural self-lubricating leather lip

✔ Reduce shaft wear

✔ Extend bearing and shaft life

✔ Lower maintenance costs

✔ Reduce machine downtime

✔ Long service life in harsh environments

🧠 Technical Insight

• M/L/L = Metal Case + Genuine Leather Lip
• Leather absorbs lubricant naturally
• Creates lubrication film between shaft and sealing surface
• Excellent for dusty and abrasive environments
• Suitable for slower shaft speeds and heavy-duty equipment
• Metal case provides superior housing retention
• Commonly used in mining and agricultural machinery

✅ Key Features

• AEROQUIP Industrial Quality
• Genuine Leather Sealing Lip
• M/L/L Heavy Duty Construction
• Reinforced Metal Case
• Superior Contamination Protection
• Natural Lubrication Properties
• OEM Replacement Ready
• Long Service Life

📊 Specifications

Brand: AEROQUIP

Model: M/L/L

Size: 3.000 x 4.000 x 0.625 inch

Type: Leather Rotary Shaft Oil Seal

Material: Genuine Leather

Outer Case: Metal Case

Shaft Diameter (ID): 3.000 inch

Housing Diameter (OD): 4.000 inch

Width: 0.625 inch

Application Class: Heavy Industrial Service

🔁 Equivalent

Suitable replacement for:

SKF Leather Seal

CR Leather Seal

Chicago Rawhide Leather Seal

National Leather Seal

Garlock Leather Seal

Timken Leather Seal

Federal Mogul Leather Seal

AEROQUIP 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