Model BNFN SERIES
MORE +
CLOSE +
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
BNFN 10020A-7.5 Ball Screw
100
20
102.7
170
243
471
253.8
1105.4
BNFN 10020A-5 Ball Screw
100
20
102.7
170
243
351
179.3
737
BNFN 10020A-2.5 Ball Screw
100
20
102.7
170
243
231
99
368.5
BNFN 8020A-5 Ball Screw
80
20
82.7
143
204
347
163.7
589
BNFN 8020A-2.5 Ball Screw
80
20
82.7
143
204
227
90.1
294
BNFN 6320-2.5 Ball Screw
63
20
65.7
122
180
227
81
231.3
BNFN 6316-5 Ball Screw
63
16
65.7
122
184
304
147
462.6
BNFN 6320-5 Ball Screw
63
20
65.7
122
180
347
147
463.5
BNFN 7010-2.5 Ball Screw
70
10
71.75
125
167
141
36.8
123.5
BNFN 7010-5 Ball Screw
70
10
71.75
125
167
201
66.9
247
BNFN 7010-7.5 Ball Screw
70
10
71.75
125
167
261
94.9
371.4
BNFN 7012-2.5 Ball Screw
70
12
72
128
170
165
43.5
139.2
BNFN 7012-5 Ball Screw
70
12
72
128
170
237
78.9
278.3
BNFN 7012-7.5 Ball Screw
70
12
72
128
170
309
111.7
417.5
BNFN 7020-5 Ball Screw
70
20
72.7
130
186
325
153.9
514.5
BNFN 8010-2.5 Ball Screw
80
10
81.75
130
176
137
38.9
141.1
BNFN 8010-5 Ball Screw
80
10
81.75
130
176
197
70.6
283.2
BNFN 8010-7.5 Ball Screw
80
10
81.75
130
176
257
100
424.3
BNFN 8012-5 Ball Screw
80
12
82.3
135
181
231
96.5
353.8
BNFN 6316-2.5 Ball Screw
63
16
65.7
122
184
208
81.1
231.3
BNFN 6312A-5 Ball Screw
63
12
65.25
115
161
231
87.4
278.3
BNFN 6312A-2.5 Ball Screw
63
12
65.25
115
161
159
48.1
139.2
BNFN 6310-7.5 Ball Screw
63
10
64.75
108
154
257
90.9
334.2
BNFN 6310-5 Ball Screw
63
10
64.75
108
154
197
64.2
222.5