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Selecting lead･Selecting a shaft diameter

Combinations of Shaft Diameter and Lead for the Precision Ball Screw

Table18 shows combinations of shaft diameters and leads of precision ball screws.

Table18 Combinations of Screw Shaft Diameter and Lead (Precision Ball Screw)
Unit: mm
Screw
shaft
outer
diameter		 Lead
1 1.5 2 2.5 3 4 5 6 8 10 12 15 16 20 24 25 30 32 35 36 40 42 50 60 80 90 100
4 ●
5 ●
6 ● ● ●
8 ● ● ● ● ● ● ● ● ●
10 ● ● ● ● ● ● ● ● ● ●
12 ● ● ● ● ● ● ● ● ●
13 ●
14 ● ● ● ●
15 ● ● ● ● ●
16 ● ● ● ●
18 ● ●
20 ● ● ● ● ● ● ● ● ● ●
25 ● ● ● ● ● ● ● ● ●
28 ● ● ●
30 ● ●
31 ● ● ● ● ●
32 ● ● ● ● ● ● ● ● ●
36 ● ● ● ● ● ●
38 ● ● ● ● ● ● ●
40 ● ● ● ● ● ● ● ●
45 ● ● ● ● ● ● ●
50 ● ● ● ● ● ● ● ● ● ●
55 ● ● ● ● ● ●
63 ● ● ● ● ● ● ● ● ● ● ●
70 ● ● ●
80 ● ● ● ● ● ● ● ●
100 ● ● ● ● ●
120 ● ● ●
140 ● ● ●

Combinations of Shaft Diameter and Lead for the Rolled Ball Screw

Table19 shows the combinations of shaft diameter and lead for the rolled ball screw.

Table19 Combinations of Screw Shaft Diameter and Lead (Rolled Ball Screw)
Unit: mm
Screw shaft
outer diameter		 Lead
1 2 4 5 6 8 10 12 16 20 24 25 30 32 36 40 50 60 80 100
6 ●
8 ● ● ● ●
10 ● ● ● ●
12 ● ●
14 ● ● ●
15 ● ● ●
16 ● ●
18 ●
20 ● ● ● ●
25 ● ● ● ●
28 ● ●
30 ●
32 ● ●
36 ● ● ● ●
40 ● ● ●
45 ●
50 ● ● ●

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