Model WHF SERIES
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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
Dynamic
rating

Ca
Static
rating

C0a
mm mm mm mm mm mm kN kN
WHF 1530-3.4 Ball Screw
15
30
15.75
32
53
64.5
8
14.4
WHF 1540-3.4 Ball Screw
15
40
15.75
34
57
81.6
7.7
16.3
WHF 2020-3.4 Ball Screw
20
20
20.75
42
64
47.1
9.6
21
WHF 2025-3.4 Ball Screw
20
25
20.75
39
62
56.2
9.8
22.3
WHF 2030-3.4 Ball Screw
20
30
20.75
39
62
65.3
9.9
23.5
WHF 2040-3.4 Ball Screw
20
40
20.75
37
57
82.7
9.6
20.3
WHF 2525-3.4 Ball Screw
25
25
26
50
77
58.8
14.5
33.1
WHF 2550-3.4 Ball Screw
25
50
26
45
69
103.3
14.4
31.9