Rockwell Automation 845H Size 25 Incremental Encoder Installation Instructions - Manual (Page 4)

Dimensions—mm (inches)
68.5
(2.69)
63.5
(2.50)
M4 x 5.0 Deep on a
42.0 Dia. Bolt Circle
3 PlacesĊ120° Apart
31.75
(1.250) Dia.
5 (0.21) Dia.Ċ
4 Mounting Holes
52.40
(2.063)
26.21
(1.032)
26.21
(1.032)
Square Flange Mount
21.59/22.86
(0.85/0.90)
52.40
(2.063)
8-32 UNCĆ2B x 4.6 (0.18)
Deep on a 47.6(1.875) Dia.
Bolt Circle,
3 PlacesĊ120° Apart
7.62
(0.300)
6.35 (0.25)
66.5
(2.62)
Sq.
Axial Mount
Connector
Radial Mount
Connector
Metric Flange Mount
5.0
Radial Mount
Connector
2.62
(0.10)
21.59/
22.86
M4 x 5.0 Deep on a
70 (2.75) Dia. Bolt
Circle, 4 PlacesĊ90°
Apart
M4 x 5.0 Deep on
a 64 (2.51) Dia.
Bolt Circle, 4
PlacesĊ90° Apart
70
(2.75)
Dia.
31.75 Dia.
68.5
31.75 Dia.
Axial Mount
Connector
Axial Mount
Connector
5.0
(0.19)
Radial Mount
Connector
2.62
90
(3.54)
Dia.
B
See table below.
See table below. See table below.
65
(2.56) Dia.
65.0
(2.56) Dia.
65.0
(2.56)
Dia.
English Servo Mount
21.59/22.86 (0.85/0.90)
8-32 UNCĆ2B x 4.6 (0.18)
Deep on a 47.6 (1.875)
Dia. Bolt Circle,
3 PlacesĊ120° Apart
7.62 (0.300)
2.54 (0.100)
31.75
(1.250) Dia.
Axial Mount
Connector
Radial Mount
Connector
63.5
(2.50)
58.67 (2.31) Dia.
2.54 (0.100)
63.50
(2.500) Dia.
Metric Servo Mount
63.5
M3 x 5.0 Deep on a
48.0 Dia. Bolt Circle,
3 PlacesĊ120° Apart
2.54
31.75 Dia.
63.50 Dia.
Axial Mount
Connector
Radial Mount
Connector
58.67 Dia.
2.54
2.54
31.75 Dia.
63.50 Dia.
Axial Mount
Connector
Radial Mount
Connector
63.5
58.67 Dia.
2.54
7.62
See table below. See table below. See table below.
21.59/
22.86
21.59/
22.86
7.62 21.59/
22.86
Ë
BË BË
BË
BË BË
Shaft Diameter Options Flat Dimensions
Code Shaft Diameter Code Dimension A"
A or K 6mm +0.00mm, -0.013mm K 5.3mm (0.21in)
18.3
(0.72)
19.05
(0.75)
B or L 10mm +0.00mm, -0.013mm L 9.1mm (0.36in)
(0.72)
9.1
(0 36)
(0.75)
A
C or M 6.35 (0.2499) +0.0000, -0.0005 M 5.5mm (0.22in)
3/8 I Dia Double Flat
(0.36) A
Z or N 9.52 (0.3749) +0.0000, -0.0005 N 8.6mm (0.34in)
3/8 I Dia. Double Flat
Shaft
Shaft with Flat Option
Ë For Dimension “B,” see table on page 3.
Publication 75008–188–01(A)
November 2003
Printed in USA