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Thread: which type of linear block will fit a THK hsr-25 rail ?

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    which type of linear block will fit a THK hsr-25 rail ?

    I was able to buy cheap, several lengths of THK HSR-25 rails.
    I'm trying to figure out which bearing blocks will fit these rails.
    THK website was very confusing. I found some SHS-25 bearing blocks on E-bay, but cannot find any info if they will fit or not.
    Any help would be appreciated. Thanks.


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    Quote Originally Posted by Danno View Post
    I was able to buy cheap, several lengths of THK HSR-25 rails.
    I'm trying to figure out which bearing blocks will fit these rails.
    THK website was very confusing. I found some SHS-25 bearing blocks on E-bay, but cannot find any info if they will fit or not.
    Any help would be appreciated. Thanks.
    I actually had some SHS30 blocks, that wouldn't fit HSR30 rails, so not sure. I got lucky and found a pair of NIB HSR25 rails with 2 block per rail, and found 4 HSR25 blocks NIB to keep for spares... If you're interested send me a PM....


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    HSR 25 R or A wud be the perfect choice!


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    In theory, the SHS and HSR rail profiles are common between them. Louie's experience is a little worrying in that respect. If you really want to take a flyer, I read a PowerPoint presentation from ABBA that seemed to indicate that they were compatible with THK, as well. I'd need to find the gear very cheap to start going across manufacturers, though.


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    I have both HSR25 and SHS25 and the rails are not the same. The blocks are not interchangable.


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