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Freesport 2 Pcs High Speed Bicycle Bottom Brackets Hub Hybrid Ceramic Bearing Bike BB Axis Bearing For MTB Mountain Bike Road cy

R7058.12
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  • Description

    Size:
    Cage and materials: pa66
    Raceway type: Deep groove raceway
    Use characteristics: high speed
    Sealed dustproof form: 2RS
    Rolling body type: spherical roller
    Sealing cap: double-sided seal
    Rolling body: ceramic ball
    Bearing material: high carbon chromium bearing steel (fully hardened type) (GCr15)

    Please note:Dust Cover Color is Random

    Feature:

    1. High temperature resistance, the temperature of ordinary bearings is about 160 degrees, and the ceramic balls can reach 220 degrees or more.
    2. The rotation speed is high, the ceramic ball has oil-free self-lubricating property, and the ceramic ball has a small friction coefficient, so the ceramic ball bearing has a rotation speed of 1.5 times or more.
    3. Long life, ceramic ball can be added without any grease, the service life is 2-3 times that of ordinary bearings.
    4. Insulation,Bearings made of ceramic balls can insulate the inner and outer rings of the bearing.
    5. Applicable: bicycle, aerospace applications, reaction kettles, medical equipment.

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