The REPCO 3.750x4.756x0.750 M/L/L Leather Oil Seal is engineered for rotating equipment operating in dusty, dirty, and demanding industrial environments where maximum sealing reliability is required.

The M/L/L Profile utilizes a heavy-duty steel case combined with multiple genuine leather sealing lips. This traditional design has been widely used in industrial machinery, mining equipment, pumps, gearboxes, and agricultural machinery because leather naturally absorbs lubricating oil and forms a self-lubricating film between the sealing surface and shaft.

Unlike conventional synthetic rubber seals, genuine leather adapts well to minor shaft imperfections and worn shaft surfaces. The natural flexibility of leather allows the sealing lip to maintain effective contact while minimizing shaft wear and friction. Leather seals are especially valued in restoration projects and legacy machinery originally designed around leather sealing technology.

The triple-lip leather construction enhances lubricant retention while improving resistance against dust, dirt, moisture, and abrasive particles. This design makes the seal particularly suitable for machinery operating in outdoor environments, mining applications, agricultural equipment, and heavy industrial service.

The reinforced steel case provides excellent dimensional stability and secure retention within the housing bore, ensuring reliable performance under vibration and continuous-duty operation.

With dimensions of 3.750 x 4.756 x 0.750 inch, this seal is commonly used in industrial pumps, gearboxes, compressors, agricultural machinery, mining equipment, conveyor drives, and OEM rotating machinery utilizing inch-size shaft systems.

⚙️ Applications

• Industrial gearboxes
• Industrial pumps
• Agricultural machinery
• Mining equipment
• Air compressors
• Conveyor systems
• Power transmission equipment
• Heavy industrial machinery
• Restoration projects
• OEM machinery

🎯 Benefits

✔ Triple leather lip protection

✔ Excellent lubricant retention

✔ Superior contamination exclusion

✔ Self-lubricating leather technology

✔ Suitable for worn shaft surfaces

✔ Excellent performance in dusty environments

✔ Long service life

✔ Reduced shaft wear

✔ Maintain original equipment specifications

🧠 Technical Insight

• M/L/L Triple Leather Lip Design
• Genuine Leather Sealing Elements
• Reinforced Steel Case Construction
• Self-Lubricating Leather Technology
• Suitable for Oil & Grease Lubrication
• Excellent Shaft Surface Conformability
• Designed for Harsh Industrial Conditions
• Traditional Heavy-Duty Sealing Solution

✅ Key Features

• REPCO Industrial Quality
• M/L/L Triple Lip Design
• Genuine Leather Sealing Lips
• Reinforced Steel Case
• Excellent Wear Resistance
• Suitable for Restoration Projects
• OEM Replacement Ready
• Long Service Life

📊 Specifications

Brand: REPCO

Model: M/L/L

Size: 3.750 x 4.756 x 0.750 inch

Type: Triple Leather Lip Rotary Shaft Oil Seal

Material: Genuine Leather

Case Material: Steel

Profile: M/L/L

Construction: Steel Case + Triple Leather Lip

Shaft Diameter (ID): 3.750 inch

Housing Diameter (OD): 4.756 inch

Width: 0.750 inch

Lubrication: Oil & Grease

Application Class: Heavy Industrial Service

Standard: Inch Size Oil Seal

🔁 Equivalent

Suitable replacement for:

• SKF Leather Oil Seal
• CR Chicago Rawhide Leather Seal
• National Leather Seal
• SCHNEIDER Leather Seal
• Garlock Leather Seal
• Federal-Mogul Leather Seal
• CFW Leather Seal
• OEM Leather Oil Seal

(Always verify dimensions and seal profile before ordering.)

📦 Availability

✅ In Stock

🚚 Fast Delivery Available

🌎 Worldwide Shipping Available

📦 MOQ: 1 Piece

🏭 Suitable for industrial maintenance, machinery restoration, gearbox repair, pump overhaul, mining equipment service, and OEM replacement applications

📲 Contact via LINE ID: dusitrea

📧 Email: sales@seal4go.com

💬 Technical support available before ordering

🔍 Assistance available for cross-reference and equivalent part identification