SKF 32500 Unitized Pinion Seal for Differential Applications

The SKF 32500 Unitized Pinion Seal is a premium-quality differential seal engineered for heavy-duty automotive and commercial vehicle applications. This professional-grade seal features advanced unitized construction that combines multiple sealing elements into a single, easy-to-install unit, ensuring reliable performance and extended service life.

Key Specifications:

• Shaft Diameter: 3.25 inches
• Seal Outside Diameter: 4.249 inches
• Seal Width: 0.86 inches
• Design Type: Unitized construction
• Lip Material: Fluorelastomer for high-temperature resistance

Advanced Design Features:

• Bore-Tite OD Protective Coating: Eliminates outer diameter leak paths for superior sealing performance
• Thermoplastic Bumper: Positions the sealing lip correctly during installation to prevent damage
• Fluorelastomer Sealing Lip: Designed to withstand higher operating temperatures than standard rubber seals
• Patented Waveseal Design: Actively sweeps oil back toward the bearing for cooler running temperatures
• Hybrid Construction: Half metal inner diameter for efficient heat dissipation, half rubber for positive grip on the yoke

Manufactured by SKF, a global leader in sealing solutions with over a century of engineering excellence. This seal is equivalent to OE quality and cross-references with National, Stemco 429-0007, and other industry-standard part numbers. Ideal for differential pinion applications in trucks, trailers, commercial vehicles, and heavy equipment.