SKF UJ338 Universal Joint - Power Take Off

Overview of the SKF UJ338 Universal Joint

The SKF UJ338 universal joint is engineered for driveline and axle applications requiring precise fit and reliable performance. Designed with a 2.340-inch width and four grooved round bearing caps, this universal joint supports smooth rotational movement in drive shafts for various vehicle makes and models.

• Width: 2.340 inches for accurate driveline fitment
• Bearing Cap Type: Four grooved round caps for secure bearing retention
• Bearing Type: UJ, optimized for universal joint applications
• Bearing Cap Axis 1 Diameter: 0.938 inches ensuring compatibility with specific drive shaft assemblies
• Part Number: UJ338 for precise identification and replacement

Technical Details and Specifications

The SKF UJ338 universal joint features a bearing cap axis diameter of 0.938 inches, which is critical for matching the joint to the corresponding drive shaft yoke. The four grooved round bearing caps provide enhanced lubrication retention and reduce the risk of premature wear. This universal joint is designed to maintain driveline integrity by allowing angular movement between the drive shaft and axle, accommodating suspension travel and drivetrain articulation.

Applications and Compatibility

This universal joint is compatible with a range of vehicles requiring a 2.340-inch width and 0.938-inch bearing cap diameter. It is commonly used in driveline systems of trucks, SUVs, and passenger vehicles where precise fitment is essential. The SKF UJ338 is suitable for replacing worn or damaged universal joints in models that specify these dimensions, ensuring continued driveline performance and safety.

• Eliminates vibration caused by worn universal joints
• Resolves driveline binding and stiffness issues
• Prevents premature bearing cap wear and failure
• Restores smooth rotational movement in the drive shaft
• Addresses noise and clunking from faulty universal joints

Installation Notes and Tips

When installing the SKF UJ338 universal joint, ensure the bearing caps are properly seated in the yoke grooves to prevent movement and wear. Use appropriate lubrication compatible with the grooved round bearing caps to maintain smooth operation. Verify the bearing cap axis diameter matches the drive shaft yoke to avoid fitment issues. It is recommended to inspect related driveline components during installation for comprehensive maintenance.

Quality Assurance and Warranty

SKF manufactures the UJ338 universal joint to meet stringent quality standards, ensuring durability and reliable performance in automotive driveline applications. While specific warranty details may vary, SKF products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to SKF documentation for exact warranty terms applicable to this part number.