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    The Difference between Plain, Ball and Roller Bearings

    Karver KB Blocks at mastbase

    Deck blocks are evolving. Bearings are constantly improving, as manufacturers endeavour to minimize friction in different load cases.


    Types of bearings

    Apart from number of sheaves, blocks can also be categorised by their bearings.

    Plain bearings: Although the name itself sounds quite vague, these are smooth, solid surfaces that
    move across each other. The sheave rotates across the central hub. 

    We are constantly reporting on the latest innovations in the marine industry which offer weight savings whilst, at the same time, increasing safety factors. The result: lighter, faster, safer and more exciting sailing.

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