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Model BNS-A SERIES
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Model No. Ball Screw unit Ball Spline
Screw
shaft
outer
diameter

d		 Lead


Ph		 Ball
center-to-
center
diameter

dp		 Outer
diameter

D
g6		 Flange
diameter


D1		 Length


L1		 Outer
diameter

D7
g6		 Flange
diameter


D5		 Length


L2
mm mm mm mm mm mm mm mm mm
BNS 0812A Ball Screw
8
12
8.4
32
44
28.5
32
44
25
BNS 1015A Ball Screw
10
15
10.5
36
48
34.5
36
48
33
BNS 1616A Ball Screw
16
16
16.65
48
64
40
48
64
50
BNS 2020A Ball Screw
20
20
20.75
56
72
48
56
72
63
BNS 2525A Ball Screw
25
25
26
66
86
58
66
86
71
BNS 3232A Ball Screw
32
32
33.25
78
103
72
78
103
80
BNS 4040A Ball Screw
40
40
41.75
100
130
88
100
130
100
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