Rockwell Automation 8520 9/Series CNC Integration Maintenance Manual Documentation Set - Manual (Page 61)

Section 2B
Mounting Dimensions
2B-4
Figure 2B.4
Blank Cut-Out Dimensions for the 9/260 or 9/290 Component Enclosure
465.1
(18.31)
6 Æ 8 places
(0.24)
101.6
(4.00)
76.2
(3.00)
101.6
(4.00)
11186-I
mm
(in.)