The REPCO 3.875x5.256x0.500 LGSP NBR Oil Seal is engineered to provide dependable sealing performance in industrial machinery where lubricant retention and contamination exclusion are critical to equipment reliability and service life.

The LGSP Profile is designed for rotating shaft applications requiring stable sealing performance under continuous operation. The seal utilizes a reinforced metal structure and precision sealing lip geometry to maintain effective contact with the shaft while minimizing wear and friction. This design helps prevent lubricant leakage while protecting internal components from dust, dirt, moisture, and external contaminants.

Manufactured from high-quality NBR (Nitrile Butadiene Rubber), the sealing element provides excellent resistance to hydraulic oils, gear oils, lubricating oils, grease, and petroleum-based fluids. NBR remains one of the most widely used elastomers in industrial sealing applications due to its durability, flexibility, wear resistance, and cost-effective performance.

The robust construction makes this seal suitable for industrial gearboxes, pumps, conveyor drives, agricultural machinery, mining equipment, compressors, and power transmission systems. It helps reduce lubricant loss, extend bearing life, minimize downtime, and improve overall equipment reliability.

With dimensions of 3.875 x 5.256 x 0.500 inch, this seal is commonly found in imported industrial equipment and heavy-duty machinery operating under continuous service conditions.

⚙️ Applications

• Industrial gearboxes
• Industrial pumps
• Agricultural machinery
• Mining equipment
• Conveyor systems
• Crushers
• Construction equipment
• Power transmission systems
• Compressors
• OEM industrial equipment

🎯 Benefits

✔ Excellent oil retention

✔ Superior contamination protection

✔ Extend bearing and shaft life

✔ Reduce lubricant leakage

✔ Lower maintenance costs

✔ Reduce machine downtime

✔ Improve equipment reliability

✔ Suitable for continuous-duty operation

✔ Heavy-duty industrial performance

🧠 Technical Insight

• LGSP industrial sealing profile
• Reinforced metal construction
• Precision sealing lip design
• Excellent dimensional stability
• Suitable for oil and grease lubrication systems
• NBR provides excellent oil resistance
• Designed for harsh industrial environments
• Commonly used in gearbox and pump applications

✅ Key Features

• REPCO Industrial Quality
• LGSP Heavy Duty Design
• Premium NBR Material
• Reinforced Metal Construction
• Excellent Wear Resistance
• Reliable Oil Retention
• OEM Replacement Ready
• Long Service Life

📊 Specifications

Brand: REPCO

Model: LGSP

Size: 3.875 x 5.256 x 0.500 inch

Type: Rotary Shaft Oil Seal

Material: NBR (Nitrile Rubber)

Construction: Reinforced Metal Case

Shaft Diameter (ID): 3.875 inch

Housing Diameter (OD): 5.256 inch

Width: 0.500 inch

Application Class: Heavy Industrial Service

Lubrication: Oil & Grease

Standard: Inch Size Oil Seal

🔁 Equivalent

Suitable replacement for:

• SKF Industrial Oil Seal
• CR Chicago Rawhide Oil Seal
• National Oil Seal
• NOK Industrial Oil Seal
• CFW Rotary Shaft Seal
• KACO Oil Seal
• DICHTOMATIK Oil Seal
• TRELLEBORG Industrial 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, machinery overhaul, OEM replacement, and repair workshop applications