This radial bearing is constructed with 440C stainless steel alloy races and Grade 10 balls, equipped with dual seals and filled to 90% with Mobil XHP 222 high-pressure waterproof grease. Designed to endure rigorous daily use and harsh environmental conditions, it is commonly utilized as a hub bearing in certain exercise bike models.
Not all stainless steel is created equal.
Enduro exclusively utilizes 440C stainless steel balls and races, ensuring extended durability and exceptional corrosion resistance in challenging environments. This alloy, known for its highest strength, hardness, and wear resistance among the 440-series stainless steels, undergoes multiple heat and cryogenic treatments to enhance its mechanical performance. While stainless steel bearings have about 20% lower load capacity and are slightly softer than the standard 52100 chromium steel bearings, they offer an excellent solution for wet conditions, frequent bike washing, or exposure to sweat.
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