ENDURO CO MR 2437 VV ABEC-5 CERAMIC BLACK OXIDE RADIAL BOTTOM BRACKET BEARING 24 X 37 X 7MM
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The Enduro Zero Ceramic-Hybrid Radial Bottom Bracket Bearing features black-oxide treated 52100 high-carbon chromium steel races paired with Grade 5 Silicon-Nitride (Si₃N₄) ceramic balls, packed with 90% high-pressure, waterproof grease. The ceramic balls reduce wear and extend bearing life by eliminating steel-on-steel contact, while the black oxide/magnetite race treatment provides additional corrosion resistance for long-lasting, worry-free performance. The VV seals are a light-contact design, enabling this to be the fastest-spinning bearing in the Enduro lineup, though they offer less protection against contaminants compared to LLB or LLU seals.
This bearing is most commonly used as a direct replacement for Shimano-type external cup bottom brackets and cranksets with 24mm spindles.
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