The TROSTEL 3.000x4.129x0.563 M/L Leather Oil Seal is engineered for industrial rotating equipment requiring durable sealing performance and traditional leather seal construction.

The M/L Profile utilizes a reinforced carbon steel outer case combined with a genuine leather sealing lip. This proven design has been widely used in industrial machinery, gearboxes, pumps, and agricultural equipment for decades due to its durability and ability to adapt naturally to shaft surface imperfections. TROSTEL leather seals are commonly manufactured using a steel case with a leather sealing element specifically designed for industrial service.

Unlike synthetic rubber seals, genuine leather absorbs lubricating oil and creates a natural lubricating film between the shaft and sealing lip. This characteristic reduces friction, minimizes wear, and helps maintain effective sealing performance over long operating periods. Leather seals remain an excellent choice for machinery restoration projects and equipment originally designed to use leather sealing technology.

Leather sealing elements perform exceptionally well in dusty, dirty, and poorly lubricated environments because they absorb retained fluids and continue providing reliable sealing performance where conventional elastomer seals may wear more rapidly. This makes leather seals particularly suitable for agricultural machinery, heavy industrial equipment, and legacy machinery.

The reinforced steel case provides dimensional stability, vibration resistance, and secure housing retention during continuous-duty operation. Combined with the flexibility and durability of genuine leather, this seal offers dependable long-term service in demanding applications.

With dimensions of 3.000 x 4.129 x 0.563 inch, this seal is commonly used in industrial gearboxes, heavy-duty pumps, agricultural machinery, conveyor drives, compressors, and OEM equipment utilizing inch-size shaft systems.

⚙️ Applications

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

🎯 Benefits

✔ Excellent lubricant retention

✔ Genuine leather sealing technology

✔ Suitable for worn shaft surfaces

✔ Outstanding wear resistance

✔ Performs well in dusty environments

✔ Long service life

✔ Ideal for machinery restoration

✔ Reliable oil and grease sealing

✔ Maintain original equipment specifications

🧠 Technical Insight

• M/L Metal Case + Leather Lip Design
• Genuine leather sealing element
• Reinforced carbon steel case
• Self-lubricating leather lip technology
• Suitable for oil and grease lubrication
• Excellent shaft surface conformability
• Performs well in contaminated environments
• Designed for heavy industrial rotating equipment

✅ Key Features

• TROSTEL Industrial Quality
• M/L Leather Seal Design
• Genuine Leather Sealing Lip
• Reinforced Carbon Steel Case
• Traditional Industrial Construction
• Excellent Wear Resistance
• OEM Replacement Ready
• Long Service Life

📊 Specifications

Brand: TROSTEL

Model: M/L

Size: 3.000 x 4.129 x 0.563 inch

Type: Leather Rotary Shaft Oil Seal

Material: Genuine Leather

Case Material: Carbon Steel

Profile: M/L

Construction: Metal Case + Leather Lip

Shaft Diameter (ID): 3.000 inch

Housing Diameter (OD): 4.129 inch

Width: 0.563 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
• REPCO Leather Seal
• Garlock Leather Seal
• Federal-Mogul 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, 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