LBS Set

Cylindrical Nut
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  • Circular Arc
The most compact type with a straight cylindrical spline nut. When transmitting a torque, a key is driven into the body. The outer surface of the spline nut is provided with anti-carbonation treatment.
View specifications and model number coding
Nut Qty
Shaft O.D. (mm)
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Shaft Length (mm)
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  • Model No. Spline nut dimensions Basic torque rating Basic load rating
    (Radial)
    Static permissible moment
    Outer diameter Length Keyway r Greasing
    hole
    d0
    D Tolerance L Tolerance b
    H8
    t
    +0.1/0
    l0 Dynamic
    CT
    Static
    C0T
    Dynamic
    C
    Static
    C0
    MA.1**
    MA.2**
    mm mm mm mm mm mm mm mm mm N-m N-m kN kN N-m N-m
    LBS15 23 0
    -0.013
    40 0
    -0.2
    3.5 2 20 0.5 2 30.4 74.5 4.4 8.4 25.4 185
    LBS20 30 0
    -0.016
    50 4 2.5 26 0.5 2 74.5 160 7.8 14.9 60.2 408
    LBS25 37 60 0
    -0.3
    5 3 33 0.5 2 154 307 13 23.5 118 760
    LBS30 45 70 7 4 41 1 3 273 538 19.3 33.8 203 1270
    LBS40 60 0
    -0.019
    90 10 4.5 55 1 3 599 1140 31.9 53.4 387 2640
    LBS50 75 100 15 5 60 1.5 4 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 LBS 25 UU + 700L
    Blank : 1 nut LBS 15 UU : end seal on both sides 400L
    2   20 500L
      25 700L
      30
      40
      50