Gearhead dimensions – CGI RTA SERIES: RAPTOR EP User Manual
Page 2
060RTA
075RTA
Dimension
Code
Metric (in)
Metric (in)
Ratio
060RTA
075RTA
Moment of Inertia Table
(2)
(oz-in-sec
2
)
Gearhead Dimensions
800.568.GEAR (4327) • www.cgimotion.com
pg 9
(1) Gearhead Length based on NEMA motor mounting.
(2) Gearhead inertia values shown include pinion, clamp and sleeve, and are for standard NEMA mounting.
(3) Key Width tolerance for English keys is: +.001 / -.000 in.
Key Width tolerance for Metric keys is: +.000 / -.0012 in.
• All specifications are subject to change without prior notice.
4:1
1.886E-03
1.246E-02
5:1
1.692E-03
1.088E-02
7:1
1.544E-03
9.646E-03
10:1
1.468E-03
9.016E-03
16:1
1.703E-03
1.198E-02
20:1
1.575E-03
1.057E-02
25:1
1.568E-03
1.050E-02
28:1
1.485E-03
9.488E-03
35:1
1.481E-03
9.455E-03
40:1
1.439E-03
8.939E-03
50:1
1.437E-03
8.923E-03
70:1
1.436E-03
8.911E-03
100:1
1.435E-03
8.919E-03
160:1
1.437E-03
8.934E-03
280:1
1.435E-03
8.909E-03
400:1
1.435E-03
8.919E-03
500:1
1.435E-03
8.919E-03
700:1
1.435E-03
8.918E-03
Ratio
060RTA
075RTA
Pilot Diameter (+.000/-.002 in)
A
60 (2.362)
70
(2.756)
Square Flange
B
62
(2.44)
76
(2.99)
Shaft Length
C
28 (1.10)
36
(1.42)
Shaft Diameter (+.0000/-.0005 in)
D
16
(0.6299)
22 (0.8661)
Pilot Length
E
20
(0.787)
20
(0.787)
Step Length
E1
2 (0.079)
2.5
(0.098)
Flange Thickness
F
6 (0.236)
7 (0.276)
Key Length
G
20
(0.79)
25
(0.98)
Key Height
H
2 (0.079)
3
(0.115)
Key Width
(3)
M
5
(0.1969)
6
(0.2362)
Housing Diameter
I
84
(3.32)
116
(4.58)
Bolt Hole Diameter
J
5.5 (0.217)
6.6 (0.260)
Bolt Circle Diameter
K
68
(2.677)
85
(3.346)
Gearhead Length
(1)
L1
69
(2.70)
114
(4.46)
L2
91
(3.60)
149
(5.88)
L3
114 (4.49)
185
(7.28)