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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 10020A-7.5 Ball Screw
100
20
102.7
170
243
251
253.8
1105.4
BNF 7010-5 Ball Screw
70
10
71.75
125
167
111
66.9
247
BNF 7010-7.5 Ball Screw
70
10
71.75
125
167
141
94.9
371.4
BNF 7012-2.5 Ball Screw
70
12
72
128
170
93
43.5
139.2
BNF 7012-5 Ball Screw
70
12
72
128
170
129
78.9
278.3
BNF 7012-7.5 Ball Screw
70
12
72
128
170
165
111.7
417.5
BNF 7020-5 Ball Screw
70
20
72.7
130
186
185
153.9
514.5
BNF 8010-2.5 Ball Screw
80
10
81.75
130
176
77
38.9
141.1
BNF 8010-7.5 Ball Screw
80
10
81.75
130
176
137
100
424.3
BNF 8020A-2.5 Ball Screw
80
20
82.7
143
204
127
90.1
294
BNF 8020A-5 Ball Screw
80
20
82.7
143
204
187
163.7
589
BNF 8020A-7.5 Ball Screw
80
20
82.7
143
204
247
231.6
883.2
BNF 10020A-2.5 Ball Screw
100
20
102.7
170
243
131
99
368.5
BNF 10020A-5 Ball Screw
100
20
102.7
170
243
191
179.3
737
BNF 8010-5 Ball Screw
80
10
81.75
130
176
107
70.6
283.2
BNF 6310-2.5 Ball Screw
63
10
64.75
108
154
77
35.4
111.7
BNF 6310-5 Ball Screw
63
10
64.75
108
154
107
64.2
222.5
BNF 6310-7.5 Ball Screw
63
10
64.75
108
154
137
90.9
334.2
BNF 6312A-2.5 Ball Screw
63
12
65.25
115
161
87
48.1
139.2
BNF 6312A-5 Ball Screw
63
12
65.25
115
161
123
87.4
278.3
BNF 6316-5 Ball Screw
63
16
65.7
122
184
160
147
462.6
BNF 6320-2.5 Ball Screw
63
20
65.7
122
180
127
81
231.3
BNF 6320-5 Ball Screw
63
20
65.7
122
180
187
147
463.5
BNF 7010-2.5 Ball Screw
70
10
71.75
125
167
81
36.8
123.5
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