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SI Series: Spur Gearheads

NEMA Dimensions Precision Gearheads

sispurinline-611x232

PART
NUMBER
A
PILOT
DIAMETER
(in.)
B
SQUARE
FLANGE
(in.)
C
SHAFT
LENGTH
(in.)
D
SHAFT
DIAMETER
(in.)
E
PILOT
LENGTH
(in.)
F
FLANGE
THICKNESS
(in.)
G
KEY
LOCATION
(in.)

023SIX
034SIX
042SIX
056SIX

1.498/1.500
2.873/2.875
2.185/2.187
4.498/4.500

2.25
3.25
4.20
5.75

1.00
1.25
1.50
2.00

.3745/.3750
.4995/.5000
.6245/.6250
.9995/1.0000

0.062
0.062
0.062
0.125

0.188
0.375
0.500
1.000

0.38
0.56
0.50
0.63

PART
NUMBER
H
KEY
HEIGHT
(in.)
I
HOUSING
DIAMETER
(in.)
J
BOLT HOLE
DIAMETER
(in.)
K
BOLT HOLE
CIRCLE
(in.)
KEY WIDTH/
WOODRUFF
KEY
(in.)
 
RADIAL SHAFT
LOADING
(LBS.)
 
AXIAL SHAFT
LOADING
(LBS.)

023SIX
034SIX
042SIX
056SIX

.047
.062
.078
.125

2.95
4.38
5.51
7.87

0.205
0.220
0.280
0.410

2.625
3.875
4.950
7.000

0.094 / #303
0.125 / #404
0.156 / #505
0.250 / #808

75
100
150
200

75
125
150
300

PART
NUMBER
L
GEARHEAD
LENGTH
(in.)
 
BACKLASH
STD/LOW
(ARC-MINUTES)
 
CONTINUOUS
TORQUE MAX
(IN LBS.)
 
MOMENTARY
TORQUE MAX
(IN LBS)
 
GEARHEAD
WEIGHT
(LBS.)
MAX INERTIA
REFLECTED
TO INPUT
(OZ. IN. SEC2)
 
PINION GEAR
INERTIA
(OZ. IN. SEC2)

023SIX
034SIX
042SIX
056SIX

2.25
3.00
3.75
4.50

20/10
20/10
20/10
20/10

20
60
200
350

30
90
300
500

1.5
3.5
6.5
15.5

7.15E-04
5.35E-04
4.33E-03
6.05E-03

7.59E-04
1.52E-03
7.59E-03
4.57E-02

AVAILABLE RATIOS AND SHAFT ROTATION* SPECIFICATIONS

SIZE 023

SIZE 042

3:1
5:1
10:1
15:1
20:1
30:1
50:1
100:1

3:1
5:1
10:1
15:1
20:1
30:1
50:1
100:1

SAME
SAME
SAME
OPPOSITE
OPPOSITE
OPPOSITE
OPPOSITE
SAME

SAME
SAME
SAME
OPPOSITE
OPPOSITE
SAME
OPPOSITE
SAME

SIZE 034

SIZE 056

3:1
5:1
10:1
15:1
20:1
30:1
50:1
100:1

3:1
5:1
10:1
15:1
25:1
40:1

SAME
SAME
SAME
SAME
OPPOSITE
OPPOSITE
SAME
SAME

SAME
SAME
OPPOSITE
OPPOSITE
OPPOSITE
SAME

Input RPM: 4000 Max.
Minimum Efficiency: 90%
Operating Temperature Range -40F to +250F
Note: Size 056 Requires a Mounting Adapter
Motor Mounting Hardware Supplied

ALL SPECIFICATIONS SUBJECT TO CHANGE.

*Rotation references the gearhead output shaft
direction with respect to motor shaft direction.

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