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Model BLK 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
BLK 5050-3.6 Ball Screw
50
50
52.2
90
135
106
57.8
155
BLK 5050-2.8 Ball Screw
50
50
52.2
90
135
156
42.2
107.8
BLK 4040-3.6 Ball Screw
40
40
41.75
73
114
85
38.7
99.2
BLK 3232-3.6 Ball Screw
32
32
33.25
58
92
70
23.7
59.5
BLK 4040-2.8 Ball Screw
40
40
41.75
73
114
125
28.2
68.9
BLK 3636-3.6 Ball Screw
36
36
37.4
66
106
77
30.8
78
BLK 3636-2.8 Ball Screw
36
36
37.4
66
106
113
22.4
54.1
BLK 3624-5.6 Ball Screw
36
24
38
75
115
94
63.8
151.9
BLK 3620-5.6 Ball Screw
36
20
37.75
70
110
78
54.9
134.3
BLK 0808-3.2 Ball Screw
8
8
8.4
18
31
20
2.2
3.8
BLK 3232-2.8 Ball Screw
32
32
33.25
58
92
102
17.3
41.4
BLK 2525-3.6 Ball Screw
25
25
26
47
74
55
16.6
38.7
BLK 2525-2.8 Ball Screw
25
25
26
47
74
80
12.2
26.9
BLK 2020-3.6 Ball Screw
20
20
20.75
39
62
45
11.1
24.7
BLK 2020-2.8 Ball Screw
20
20
20.75
39
62
65
8.1
17.2
BLK 1616-3.6 Ball Screw
16
16
16.65
32
53
38
7.1
14.3
BLK 1616-2.8 Ball Screw
16
16
16.65
32
53
54
5.2
9.9
BLK 1510-5.6 Ball Screw
15
10
15.75
34
57
44
14.3
27.8
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