Specifications
THK LF25UU + 300mm L Ball Screws with Nuts
Medium Torque Model LT
Model No. Specifications / Main dimensions
Height
(mm) Width
(mm) Length
(mm) Rating C
(kN) Rating C0
(kN)
LF 25 - - 71 15.2 25.8
Dimensional drawing
THK Ball Spline Screws c/w Nut
Model No. Spline Nut dimensions Flange diameter Basic torque rating
Basic load rating
(Radial) Static permissible moment
Height
M Width
W Outer diameter Length
D Tolerance L Tolerance D1 Dynamic rating
CT Static rating
C0T Dynamic rating
C Static rating
C0 MA.1
MA.2
mm mm mm mm mm mm mm N-m N-m kN kN N-m N-m
LF 6 — — 14 0
–0.011 25 0
–0.2 30 0.98 1.96 1.18 2.16 4.9 36.3
LF 8 — — 16 0
–0.011 25 0
–0.2 32 1.96 2.94 1.47 2.55 5.9 44.1
LF 10 — — 21 0
–0.013 33 0
–0.2 42 3.92 7.84 2.84 4.9 15.7 98
LF 13 — — 24 0
–0.013 36 0
–0.2 44 5.88 10.8 3.53 5.78 19.6 138
LF 16 — — 31 0
–0.013 50 0
–0.2 51 31.4 34.3 7.06 12.6 67.6 393
LF 20 — — 35 0
–0.016 63 0
–0.2 58 56.9 55.9 10.2 17.8 118 700
LF 25 — — 42 0
–0.016 71 0
–0.3 65 105 103 15.2 25.8 210 1140
LF 30 — — 47 0
–0.016 80 0
–0.3 75 171 148 20.5 34 290 1710
LF 40 — — 64 0
–0.019 100 0
–0.3 100 419 377 37.8 60.5 687 3760
LF 50 — — 80 0
–0.019 125 0
–0.3 124 842 769 60.9 94.5 1340 7350
