Using an end-cap method, these models achieve stable motion in high-speed rotation.
Model No. Screw 
shaft 
outer 
diameter

d
Lead


Ph
Ball 
center-to-
center 
diameter

dp
 
Outer 
diameter

D
g6
Flange 
diameter


D1
Overall 
length


L1
Basic load rating Detail specifications CAD Dimensional drawing
Dynamic 
rating

Ca
Static 
rating

C0a
2D 
(DXF)
3D
mm mm mm mm mm mm kN kN
WTF 1520-3 15 20 15.75 32 53 45 5.5 14.2
WTF 1520-6 15 20 15.75 32 53 45 10.1 28.5
WTF 1530-2 15 30 15.75 32 53 33 4.3 9.3
WTF 1530-3 15 30 15.75 32 53 63 5.6 12.4
WTF 2040-2 20 40 20.75 37 57 41.5 5.4 13.6
WTF 2040-3 20 40 20.75 37 57 81.5 6.6 17.2
WTF 2550-2 25 50 26 45 69 52 8.5 21.2
WTF 2550-3 25 50 26 45 69 102 10.4 26.9
WTF 3060-2 30 60 31.25 55 89 62.5 11.8 30.6
WTF 3060-3 30 60 31.25 55 89 122.5 14.5 38.9
WTF 4080-2 40 80 41.75 73 114 79 19.8 54.5
WTF 4080-3 40 80 41.75 73 114 159 24.3 69.2
WTF 50100-2 50 100 52.2 90 135 98 29.6 85.2
WTF 50100-3 50 100 52.2 90 135 198 36.3 108.1