Model SDA achieves an ideal ball circulation structure and a significantly compact body by using newly developed end cap and R piece.

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
SDA 1510-2.8 15 10 15.5 28 48 35.3 5.5 7.8
SDA 1520-3.6 15 20 15.5 28 48 44.6 6.4 10.3
SDA 1530-3.6 15 30 15.5 28 48 64.9 6.1 8.9
SDA 1610-2.8 16 10 16.5 28 48 35.4 5.6 8.2
SDA 1616-2.8 16 16 16.5 28 48 51.9 5.5 8.4
SDA 2020-2.8 20 20 20.75 36 58 65.8 10.9 17.6
SDA 2030-1.8 20 30 20.75 36 58 65.2 7 11.5
SDA 2040-1.8 20 40 20.75 36 58 85.5 6.8 9.9
SDA 2060-1.6 20 60 20.75 36 58 66.3 5.4 9.7
SDA 2520-2.8 25 20 25.75 40 62 66.4 12.1 21.6
SDA 2525-2.8 25 25 25.75 40 62 80.2 12.0 22.0
SDA 2530-1.8 25 30 25.75 40 62 65.1 8.2 14.5
SDA 2550-1.8 25 50 25.75 40 62 105.4 7.6 12.6