en
A Universal Joint (U-Joint) is a mechanical coupling device that transmits rotational power between shafts at varying angles. Commonly found in rear-wheel drive vehicles, trucks, and industrial machinery, U-joints enable torque transfer while accommodating misalignment between connected components.
Cross-shaped design with four bearing caps containing needle rollers
Forged alloy steel construction for strength and durability
Greaseable fittings on maintenance-friendly models
Driveshaft connections in RWD/4WD vehicles
Steering column linkages
Industrial power transmission systems
Clunking noises during acceleration/deceleration
Vibrations at specific speeds
Visible rust or grease leakage from worn caps
Regular maintenance involves periodic lubrication and inspection for bearing play or corrosion. Modern U-joints feature sealed-for-life designs with advanced lubricants and coatings for extended service intervals. Heavy-duty versions use precision-ground bearings for high-torque applications.
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