As a result of adopting the offset preloading method, which shifts two rows of grooves of the ball screw nut, a compact structure is achieved.

 
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
SBK 1520-3.6 15 20 15.75 38 62 54 5.8 7.8
SBK 1616-3.6 16 16 16.65 33 54 45 4.6 6.4
SBK 2010-5.6 20 10 20.75 40 65 45 10.7 17.3
SBK 2020-3.6 20 20 20.75 40 65 54 7 10.5
SBK 2030-3.6 20 30 20.75 40 65 71 6.9 11.2
SBK 2520-3.6 25 20 26 47 74 57 11 16.9
SBK 2525-3.6 25 25 26 47 74 68 10.8 16.9
SBK 3220-5.6 32 20 33.25 58 92 82 23.6 41.1
SBK 3232-5.6 32 32 33.25 58 92 118 23.1 41.8