SKF 11138 Power Take Off (PTO) Shaft Seal

Reliable Power Take Off Shaft Seal for Driveline Systems

The SKF 11138 Power Take Off (PTO) Shaft Seal is engineered to provide dependable sealing performance in driveline and axle applications. Designed with precision, this seal helps maintain system integrity by preventing fluid leaks and contamination.

• Width: 0.250 inches for compact and effective sealing
• Outside Diameter: 1.756 inches ensuring a secure fit
• Shaft Diameter: 1.125 inches compatible with standard PTO shafts
• Sealing Surface Type: Nitrile material for resistance to oil and wear
• Part Number: 11138 for easy identification and replacement

Durable Design and Material Specifications

This SKF PTO shaft seal features a nitrile sealing surface, known for its excellent resistance to petroleum-based fluids and abrasion. The 0.250-inch width and 1.756-inch outside diameter are optimized for a tight seal around a 1.125-inch shaft diameter, minimizing the risk of leaks in driveline components. The precision dimensions ensure compatibility with a range of agricultural and industrial vehicles requiring reliable PTO shaft sealing.

Applications and Problem Solving

• Prevents oil and grease leakage from PTO shafts in tractors and heavy machinery
• Protects driveline components from dirt and debris contamination
• Reduces wear and tear on shaft bearings by maintaining proper lubrication
• Helps maintain hydraulic system pressure by preventing fluid loss
• Addresses common PTO shaft seal failures in agricultural equipment

Installation Notes and Tips

When installing the SKF 11138 PTO shaft seal, ensure the shaft and housing are clean and free of debris. Use appropriate tools to avoid damaging the nitrile sealing surface during installation. Verify the seal is seated evenly to prevent premature wear or leaks. Lubricate the seal lip lightly with compatible grease before installation to facilitate smooth operation.

Quality Assurance and Warranty

SKF is a recognized brand in driveline and sealing systems, known for manufacturing components that meet industry standards. The 11138 PTO shaft seal is produced under strict quality controls to ensure durability and performance. While specific warranty details are not provided, SKF products typically come with manufacturer-backed quality assurance to support reliable operation in demanding environments.