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Model BNF 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
BNF 5520-5 Ball Screw
55
20
57.7
112
158
187
138.2
403.8
BNF 5520-2.5 Ball Screw
55
20
57.7
112
158
127
76
201.9
BNF 5510-5 Ball Screw
55
10
56.75
102
144
111
60.7
194
BNF 5510-7.5 Ball Screw
55
10
56.75
102
144
141
85.9
291.1
BNF 5512-2.5 Ball Screw
55
12
57
105
147
93
39.3
108.8
BNF 5512-3 Ball Screw
55
12
57
105
147
107
46
131.3
BNF 5512-3.5 Ball Screw
55
12
57
105
147
105
52.4
152.9
BNF 5512-5 Ball Screw
55
12
57
105
147
129
71.3
218.5
BNF 5512-7.5 Ball Screw
55
12
57
105
147
165
100.9
327.3
BNF 5516-2.5 Ball Screw
55
16
57.7
110
158
116
76.1
201.9
BNF 5516-5 Ball Screw
55
16
57.7
110
158
164
138.2
402.8
BNF 1810-2.5 Ball Screw
18
10
18.8
42
65
69
7.8
15.9
BNF 1605-2.5 Ball Screw
16
5
16.75
40
60
41
7.4
13.9
BNF 2005-5 Ball Screw
20
5
20.75
44
67
56
15.1
35
BNF 2505-5 Ball Screw
25
5
25.75
50
73
55
16.7
44
BNF 2510A-2.5 Ball Screw
25
10
26.3
58
85
70
15.8
33
BNF 2806-5 Ball Screw
28
6
28.75
55
85
68
17.5
49.4
BNF 3205-5 Ball Screw
32
5
32.75
58
85
56
18.5
56.4
BNF 3206-5 Ball Screw
32
6
33
62
89
63
25.2
70.4
BNF 3210A-5 Ball Screw
32
10
33.75
74
108
100
47.2
112.7
BNF 3610-5 Ball Screw
36
10
37.75
75
120
111
50.1
126.4
BNF 4010-5 Ball Screw
40
10
41.75
82
124
103
52.7
141.1
BNF 4012-5 Ball Screw
40
12
42
84
126
119
61.6
158.3
BNF 5010-5 Ball Screw
50
10
51.75
93
135
103
58.2
176.4
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