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LBS Set

Cylindrical Nut
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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.
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Nut Qty
Shaft O.D. (mm)
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Shaft Length (mm)
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*Please contact THK if you need more than available quantity or out of stock items
Attributes Part Number Unit Price Quantity Days to Ship Item Total
Shaft O.D. (mm):15
Shaft Length (mm):400
Nut Qty:1
 LBS15UU+400L – Days to Ship:2 - 3 weeks*
Shaft O.D. (mm):20
Shaft Length (mm):400
Nut Qty:1
 LBS20UU+400L – Days to Ship:2 - 3 weeks*
Shaft O.D. (mm):25
Shaft Length (mm):700
Nut Qty:1
 LBS25UU+700L – Days to Ship:2 - 3 weeks*
Shaft O.D. (mm):30
Shaft Length (mm):500
Nut Qty:1
 LBS30UU+500L – Days to Ship:2 - 3 weeks*
Shaft O.D. (mm):40
Shaft Length (mm):500
Nut Qty:1
 LBS40UU+500L – Days to Ship:2 - 3 weeks*
Shaft O.D. (mm):50
Shaft Length (mm):500
Nut Qty:1
 LBS50UU+500L – Days to Ship:2 - 3 weeks*
Shaft O.D. (mm):15
Shaft Length (mm):400
Nut Qty:2
 2LBS15UU+400L – Days to Ship:2 - 3 weeks*
Shaft O.D. (mm):20
Shaft Length (mm):400
Nut Qty:2
 2LBS20UU+400L – Days to Ship:2 - 3 weeks*
Shaft O.D. (mm):25
Shaft Length (mm):700
Nut Qty:2
 2LBS25UU+700L – Days to Ship:2 - 3 weeks*
Shaft O.D. (mm):30
Shaft Length (mm):500
Nut Qty:2
 2LBS30UU+500L – Days to Ship:2 - 3 weeks*
*Please contact THK if you need more than available quantity or out of stock items
Subtotal: $0.00
  • 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

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