LBF Set

Flanged Nut
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  • Circular Arc
The spline nut can be attached to the housing via the flange, making assembly simple. It is optimal for locations where the housing may be deformed if a keyway is machined on its surface, and where the housing width is small.
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  • Model No. Spline nut dimensions Basic torque rating Basic load rating
    (Radial)
    Static permissible moment
    Outer diameter Length Flange diameter H F Greasing
    hole
    d0
    PCD Mounting hole
    d1xd2xh
    D Tolerance L Tolerance D1 Tolerance Dynamic
    CT
    Static
    C0T
    Dynamic
    C
    Static
    C0
    MA.1**
    MA.2**
    mm mm mm mm mm mm mm mm mm mm mm N-m N-m kN kN N-m N-m
    LBF15 23 0
    -0.013
    40 0
    -0.2
    43 0
    -0.2
    7 13 2 32 4.5×8×4.4 30.4 74.5 4.4 8.4 25.4 185
    LBF20 30 0
    -0.016
    50 49 7 18 2 38 4.5×8×4.4 74.5 160 7.8 14.9 60.2 408
    LBF25 37 60 0
    -0.3
    60 9 21 2 47 5.5×9.5×5.4 154 307 13 23.5 118 760
    LBF30 45 70 70 10 25 3 54 6.6×11×6.5 273 538 19.3 33.8 203 1270
    LBF40 57 0
    -0.019
    90 90 14 31 3 70 9×14×8.6 599 1140 31.9 53.4 387 2640
    LBF50 70 100 108 0
    -0.3
    16 34 4 86 11×17.5×11 1100 1940 46.6 73 594 4050
    Note **: MA.1 indicates the permissible moment value in the axial direction when a single spline nut is used. MA.2 indicates the permissible moment value in the axial direction when two spline nuts in close contact with each other are used.
    AFB-LF is the default grease. For more detailed specifications, please download the Product Catalog with the link in the Downloads section of this product page.
  • Number of nuts
    on one shaft
    Model Size Seal Type Rail Length
    2 LBF 25 UU + 700L
    No symbol : 1 nut LBF 15 UU : end seal on both sides 400L
    2   20 500L
      25 700L
      30
      40
      50