MR2437 LLU BO Enduro Bike Bearing 24x37x7
Bearing for use on Hollowtech bottom brackets - will fit straight on to the Hollowtech II axle.
BO (Black Oxide) bearings get an additional Magnetite treatment for hardness, rust resistance and even more reliability.
LLU Seal is a double- lip type seal making medium contact and also rides in a groove making a labyrinth seal.
Grade 10 Chromium Steel Balls:
High precision balls are within 10/1,000,000″ round, twice as round as the industry standard, at it’s highest level.
52100 High Carbon Chromium Alloy Races:
Vacuum de-gassed process for the purest chromium alloy steel, hardened to R-62, extremely tough and very durable. Polished to a mirror finish for ABEC-3 precision and noiseless movement.
Riveted Steel Retainer for toughness, ABEC-3 tolerances and noise tested, C-3 or C-N Internal Clearance