Chromium

Chromium steel is used in many precision bearing applications, crafted to be very hard and have a high load capacity. These properties offer a durable, cost-effective solution for bicycles. Key elements that chrome steel provides are quiet operation and a long working life and used in the majority of bicycle bearing applications.
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  1. 6801 | Premium Bearing | CONTACT SEAL LLU | NTN
    6801 | Premium Bearing | CONTACT SEAL LLU | NTN
    £13.99 £11.66
    In stock

    Inner Diameter x Outer Diameter x Depth: 12 x 21 x 5mm
    Used on: Wheels
    Brand: NTN

    Seals: LLU contact seals are a closer fitting seal to rotating parts, and thus provide better protection against dirt and moisture ingress. Use where bearing longevity is more important and/or you frequently use your bike in harsh conditions. If racing or chasing watts is your priority then our non-contacting low friction seal version of this bearing (LLB Seals) might be more appropriate.

     

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  2. 6801 | Premium Bearing | NON-CONTACT SEAL LLU | NTN
    6801 | Premium Bearing | NON-CONTACT SEAL LLU | NTN
    £13.99 £11.66
    In stock

    Inner Diameter x Outer Diameter x Depth: 12 x 21 x 5mm

    Used on: Wheels
    Brand: NTN

    Seals: LLB non contacting ultra low friction seals, where the seal does not contact the rotating parts. Use where rotation speed is most important (usually racing).  If bearing longevity is more important and you use your bike in harsh conditions frequently, then our contacting seal version of this bearing (LLU Seals) might be more appropriate.

    These high end precision bearings with ultra low friction seals are a viable alternative to hybrid ceramic bearings, and what we would recommend (instead of hybrid ceramic).

     

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