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Selecting lead･Selecting a shaft diameter

Combinations of Shaft Diameter and Lead for the Precision Ball Screw

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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

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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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