BOTTOM BRACKET CERAMIC (RM155)

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FREE POSTAGE Semenanjung Only
019-6352572 Jais
bottom bracket  parameters
 Name: MEROCA ceramic culture in the axis
 Specifications: Threaded shaft, suitable for frame five pass 68-73mm, tooth pattern BC1.37
 Inner diameter: 24mm
 Material: AL7075 aluminum + PE (polyethylene) hose

Bearing: inner and outer ring: stainless steel (AISI SUS316)

      Ball material: zirconia (ZrO2) ceramic materials, the legendary "black pottery"

        Grease: (Krupp KLUBER, in line with ISOFLEX-TOPAS-NB52 standard)
 Color: anode black / red
 Weight: 105g
 About Ceramics ------------------------------------------------ ---->
 Ceramic bearings as an important mechanical foundation pieces, because of its metal bearings can not match the excellent performance, high temperature, super strength in the world of new materials dominate.
 First, because the ceramic is almost not afraid of corrosion, so the ceramic rolling bearings suitable for corrosive media in the harsh conditions of operation
Second, because the ceramic rolling ball density than steel, the weight is much lighter, so the rotation of the outer ring when the centrifugal can be reduced by 40%, and thus greatly extend the life
Third, the impact of thermal expansion and contraction of the ceramic than the steel is small, and thus a certain gap in the bearing, the bearing can be allowed in the temperature difference into a drastic environment
 Fourth, because the ceramic elastic modulus than steel, stress is not easy to deformation, it is conducive to improve the working speed, and to achieve high accuracy



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