The AUTOSPIN 9.125x10.375x0.625 M/L Leather Oil Seal is engineered for large industrial rotating equipment requiring dependable sealing performance and long service life.

The M/L Profile combines a reinforced steel outer case with a genuine leather sealing lip. This traditional seal design has been widely used in heavy industrial equipment, mining machinery, agricultural equipment, pumps, gearboxes, and conveyor systems because of its excellent durability and adaptability to shaft surface imperfections. Leather sealing lips naturally conform to mating surfaces, helping maintain sealing effectiveness even on shafts showing minor wear.

Unlike conventional rubber oil seals, genuine leather absorbs lubricating oil during operation and creates a natural lubricating film between the shaft and seal lip. This characteristic helps reduce friction, minimize wear, and improve sealing performance over long operating periods. Leather seals are particularly suitable for restoration projects and older machinery originally designed around leather sealing technology.

Leather oil seals are especially effective in dusty, dirty, and challenging environments because the leather material retains lubrication and maintains sealing performance even under marginal lubrication conditions. In certain industrial applications, leather seals can tolerate conditions that may shorten the life of conventional elastomer seals.

The reinforced steel case ensures dimensional stability and secure housing retention under vibration, shock loading, and continuous-duty operation. Combined with the natural resilience of leather, the seal delivers dependable performance for large industrial equipment operating in demanding environments.

With dimensions of 9.125 x 10.375 x 0.625 inch, this seal is commonly found in mining machinery, steel mill equipment, industrial pumps, large gearboxes, conveyor systems, crushers, agricultural equipment, and OEM industrial machinery utilizing inch-size shaft systems.

⚙️ Applications

• Mining equipment
• Steel mill machinery
• Cement plant equipment
• Industrial pumps
• Heavy-duty gearboxes
• Conveyor systems
• Crushers and processing equipment
• Agricultural machinery
• Power transmission systems
• OEM industrial 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 steel case construction
• Self-lubricating leather lip technology
• Suitable for oil and grease lubrication
• Excellent shaft surface conformability
• Performs well in contaminated environments
• Designed for heavy-duty industrial applications

✅ Key Features

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

📊 Specifications

Brand: AUTOSPIN

Model: M/L

Size: 9.125 x 10.375 x 0.625 inch

Type: Leather Rotary Shaft Oil Seal

Material: Genuine Leather

Case Material: Steel

Profile: M/L

Construction: Metal Case + Leather Lip

Shaft Diameter (ID): 9.125 inch

Housing Diameter (OD): 10.375 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
• TROSTEL Leather Seal
• SCHNEIDER Leather Seal
• REPCO Leather Seal
• Garlock 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, mining equipment overhaul, gearbox repair, machinery restoration, 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