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LBS Set

Cylindrical Nut
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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*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*
2LBS30UU+500L
Out of stock
Out of stock ? Contact us to place an order
Model No. Spline nut dimensions Basic torque rating Basic load rating(Radial) Static permissible moment
Outer diameter Length Keyway r Greasingholed0
D Tolerance L Tolerance bH8 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 nutson 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