The TROSTEL 3.625x4.756x0.625 M/L Leather Oil Seal is engineered for industrial rotating equipment requiring durable sealing performance and traditional leather sealing technology. This seal is particularly suitable for heavy-duty applications where reliability, long service life, and compatibility with original equipment specifications are critical.

The M/L Profile consists of a reinforced metal outer case combined with a genuine leather sealing lip. This classic design has been widely used in industrial machinery, mining equipment, agricultural machinery, compressors, pumps, and power transmission systems for decades because of its excellent durability and shaft conformability.

Unlike conventional synthetic rubber seals, genuine leather possesses natural oil absorption properties. During operation, the leather lip absorbs lubricating oil and creates a thin lubrication film between the sealing lip and the shaft surface. This natural lubrication reduces friction, minimizes shaft wear, lowers operating temperatures, and improves long-term sealing performance.

Leather oil seals are especially valuable for machinery operating in dusty environments where contamination control is essential. The leather lip can adapt to slight shaft imperfections and minor wear patterns, making it an ideal solution for older equipment, restoration projects, and machinery originally designed with leather sealing technology.

The reinforced steel case ensures dimensional stability and secure retention within the housing bore, while the leather sealing element provides reliable lubricant retention and contamination exclusion. This combination delivers dependable sealing performance under demanding industrial operating conditions.

With dimensions of 3.625 x 4.756 x 0.625 inch, this seal is commonly used in industrial gearboxes, pumps, compressors, mining equipment, conveyor drives, agricultural machinery, and OEM rotating equipment utilizing inch-size shaft systems.

⚙️ Applications

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

🎯 Benefits

✔ Genuine leather sealing technology

✔ Excellent lubricant retention

✔ Outstanding wear resistance

✔ Suitable for worn shaft surfaces

✔ Performs well in dusty environments

✔ Long service life

✔ Ideal for machinery restoration

✔ Reliable oil and grease sealing

✔ Maintains original equipment specifications

🧠 Technical Insight

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

✅ Key Features

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

📊 Specifications

Brand: TROSTEL

Model: M/L

Size: 3.625 x 4.756 x 0.625 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): 3.625 inch

Housing Diameter (OD): 4.756 inch

Width: 0.625 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
• Dichtomatik 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