NART-R

Basic Type
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  • Roller
  • Stainless Available
This model is a non-separable type of bearing system whose inner ring is fixed to the side plates. Since the circumference of the outer ring is spherically ground, it helps lighten a biased load (symbol R).
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Days to Ship
Inner Diameter (mm)
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Outer Diameter (mm)
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Dust Protection Seal
Outer Ring Shape
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  • Model No. Main dimensions Basic load rating Track load capacity Rotational speed limit1 Mass
    Inner diameter
    di
    Outer diameter
    D
    B C a rsmin Oil hole
    d1
    Dynamic
    C
    Static
    C0
    Spherical outer ring
    mm mm mm mm mm mm mm kN kN kN min-1 g
    NART5R5161211120.31.52.842.651.082500014.5
    NART6R6191211140.31.53.333.351.372000020.5
    NART8R824151417.50.31.55.685.891.861700041.5
    NART10R1030151423.50.627.947.592.451500064.5
    NART12R1232151425.50.628.538.442.741300071
    NART15R15351918290.6213.716.43.1410000102
    NART17R1740212032.51217.419.33.729500149
    NART20R204725243812.522.930.67.158000250
    NART25R255225244312.524.633.38.237000285
    NART30R3062292850.51333.451.410.55500470
    NART35R3572292853.51335.557.312.95000640
    NART40R4080323061.51344.681.414.94000845
    NART45R4585323066.51346.688.616.14000915
    NART50R50903230761348.395.717.33500980
    Note 1: The rotational speed limit value in the table applies to models with grease lubrication. With models using oil lubrication, up to 130% of this value is permitted.
    For more detailed specifications, please download the Product Catalog with the link in the Downloads section of this product page.
  • Model Size1 Material2 Seals Roller guide Outer ring shape
    NART 5   UU   R
    NART 5~50 No symbol : Carbon steel No symbol : Without seals No symbol : With cage No symbol : Cylindrical
      M : Stainless steel UU : With seals V : Full rollers R : Spherical

    Note 1: See Specifications tab for standard sizes
    Note 2: The stainless steel option is not a THK online store standard stock option. Contact us using the custom parts request link to order this item. Model NART45R is available only in carbon steel