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F-577986 F-577986.05 Auto Differential Bearing F-577986.05.SKL Angular Contact Ball Bearing

Automotive Bearings
December 25, 2025
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Brief: Watch this dynamic demonstration of the F-577986.05 Auto Differential Bearing in action. See how this precision-engineered component handles complex loads in vehicle differential systems, learn about its multi-dimensional sizing options for various vehicle models, and discover the installation best practices for optimal performance and longevity.
Related Product Features:
  • Engineered for vehicle differential transmission to withstand complex radial-axial combined loads and frequent impact vibrations.
  • Features a double-row angular contact ball structure with optimized contact angles for balanced load distribution.
  • Constructed from premium GCr15 chrome steel with precision hot forging and heat treatment for 58-62 HRC hardness.
  • Equipped with low-friction rubber seals (2RS) and pre-filled lithium-based grease for maintenance-free operation.
  • Offers multi-dimensional installation options with core dimensions of 35×103.5×48.15mm and optional ODs/widths.
  • Provides exceptional wear resistance and fatigue strength to cope with dynamic load fluctuations during vehicle operation.
  • Compatible with various commercial and passenger vehicles including Mercedes-Benz, Dongfeng, FAW, Volkswagen, and Toyota.
  • Interchangeable with major international brands including SKF VKBA 6821, FAG 577986.05, and Timken SET1572.
FAQs:
  • What does the multi-dimensional size option mean for F-577986.05 bearings?
    The optional dimensions (89/128mm OD, 39/51.2mm Width) correspond to different differential housing structures of passenger cars and commercial vehicles, ensuring compatibility with diverse powertrain configurations.
  • Can this bearing withstand only radial loads?
    No, its double-row angular contact structure is designed for combined radial-axial loads, which is critical for absorbing both torque transmission forces and axial thrust during cornering.
  • How to ensure proper installation of F-577986.05 bearings?
    Use torque wrenches to control preload (recommended 15-20 N*m) and keep the installation surface clean—contaminants may cause abnormal wear under dynamic load conditions.
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