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Motors
Controls
HVAC/R
Grove Gear Selection Tool
HP
< 0.1
0.1
0.12
0.15
1/8
1/7
1/6
0.18
1/5
1/4
1/3
0.35
0.37
0.4
0.7
1/2
3/4
1
1.3
1.5
2
2.4
2.5
2.6
3
4
5
5.5
6
7
7.5
10
12.4
12.5
15
20
25
30
40
50
60
75
100
110
120
125
150
175
200
220
250
270
300
340
350
375
400
HP
1/50
1/40
1/25
1/20
1/15
1/10
1/8
1/6
1/5
1/4
1/3
1/2
3/4
1
1.2
1.5
2
2.2
2.5
3
4
5
5.5
6.70
7.5
10
12.5
14.75
15
20
25
30
40
45
50
60
75
100
120
125
150
175
200
215
250
300
350
375
400
420
425
450
475
500
525
HP
<1/50
1/50
1/40
1/35
1/30
1/25
1/20
1/16
1/15
1/12
1/10
1/8
1/7
1/6
1/5
1/4
1/3
1/2
3/4
1
1.5
2
3
5
7.5
Style
B
BM
BMQ
CMQ
DD
DFE
DFHMQ
DH
DHMQ
DM
DMQ
DTM
DTMQ
DVHMQ
DVLMQ
DXFHMQ
DXHMQ
DXT
DXTMQ
DXUMQ
F
FH
FHM
FHMQ
FLHMQ
FMQ
GR-DMQ
GR-DTMQ
H
HM
HMQ
INLINE
JMQ
KIT
PBQ
RHMQ
SS-BMQ
SS-DHMQ
SS-DUMQ
SS-FHMQ
SS-FMQ
SS-HMQ
SS-TMQ
STXMQ
T
THMQ
TM
TMQ
TXMQ
TXMQ3
U
UH
UM
UMQ
VHM
VHMQ
VLHMQ
VLM
WB
WBM
WBMQ
WDTMQ
WFHM
WFHMQ
WH
WHMQ
RPM
2 poles-2500 to 3600
4 poles-1400 to 1800
6 poles-950 to 1200
8 poles-750 to 900
1800-1200(2 speed)
1800-900(2 speed)
3600-1800(2 speed)
1200-900(2 speed)
RPM
2 poles-2500 to 3600
4 poles-1400 to 1800
6 poles-950 to 1200
8 poles-750 to 900
Size
1
18
21
3
32
518
520
525
534
7172
7272
7472
813
813-832
813-842
815
818
820
821
824
826
830
832
842
852
852-860
860
Voltage
~12(DC)
~12-24(DC)
~12-48(DC)
~24-36(DC)
~90(DC)
~180(DC)
~90-180(DC)
~120(AC)
~120-240(AC)
~230 (240)(AC)
~460 (480)(AC)
~575 (590)(AC)
Ratio
2:1
3:1
4:1
5:1
7.5:1
10:1
15:1
20:1
25:1
30:1
40:1
50:1
60:1
80:1
100:1
125:1
150:1
200:1
250:1
300:1
400:1
500:1
600:1
1000:1
1200:1
1500:1
1800:1
Voltage
115 (1 PH)
115/208-230 (1 PH)
208-230 (1 PH)
208-230/460 / 575 (1 PH)
200 (3PH)
208/416 (3PH)
208-230/460 (3 PH)
460 (3 PH)
575 (3 PH)
12 (DC)
24 (DC)
48 (DC)
90 (DC)
180(DC)
Voltage
115
115/208-230
208-230
460
575
Brand
Dart
Delta
KB Electroncis
Leeson
Lenze
Family
50Hz
Brake Motor
Definite purpose
Explosion proof
Farm duty
Gearmotor
General purpose
HVAC/R(Select HVAC/R in orange section)
Liquidation
Metric/IEC
Multi speed
Permanent magnet DC
Pump
Severe Duty
Washdown/Stainless Steel
Family
Air Boosters
Axial Fans
Belted Fan
Blower Motors
Condenser Fan Motors
Direct Drive
Draft Inducers
ECM
Oil Burner
Refrigeration Motors
Unit Heaters
Output
D
D3
D6
DA
DD1
DU6
H
INLINE
L
L1
L2
L3
L5
L6
LD1
LL
LL1
LR
PARALLEL
R
R1
R2
R3
R4
RD5
RD6
RL
RR
RR6
Phase
1
3
Brand
Century
ECM-Evergreen
Elco
Fasco
Genteq
Leeson
Maxmotion
Morrill Motors
Rotom - Alltemp
US Motors
Enclosure
CHASSIS/IP20
NEMA 1 (IP31)
NEMA 4 (IP65) / NEMA 4X (IP66)
Gear Frame
140
140TC-140TC
180
180TC-180TC
210
250
48
56
56C-140TC
56C-56C
63
71
80
Brand
US Motors - Nidec
MaxMotion
Marathon
Leeson
Lafert
Century
Rotom - Alltemp
Frame
3.3''
4.4''
42
48
5.6''
56
C-Frame / Skeleton
Unit Bearing
Phase
1
1-3
3
Enclosure
OAO
ODP
OPEN
SEMI ENCLOSED
TEAO
TEFC
TENV
Frame
*Nema*
3.3''
4.4''
42
45
48
48N
48NY
48Y
56
56C
56H
56HC
56J
56HJ
56Y
56N(YZ)
143JM
143JP
143T(C)
145JM
145JP
145T(C)
182JM
182JP
182T(C)
184JM
184JP
184T(C)
213JM
213JP
213T(C)
215JM
215JP
215T(C)
254JM
254JP
254T(C)
256JM
256JP
256T(C)
284JM
284JP
284T(C)
284TS(C)
286JM
286JP
286T(C)
286TS(C)
324JM
324JP
324T(C)
324TS(C)
326JM
326JP
326T(C)
326TS(C)
364T(C)
364TS(C)
365T(C)
365TS(C)
404T(C)
404TS(C)
405T(C)
405TS(C)
444T(C)
444TS(C)
445T(C)
445TS(C)
447T
447TS(C)
449T
449TS
C Frame
* IEC *
56 (IEC)
63
71
80
90S
90L
100L
112M
132S
132M
160M
160L
180M
180L
200L
225S
225M
250M
280S
280M
315S
315L
315M
355M
Special shaft
48MZ
48NZ
48YZ
48Z
56HZ
56NZ
56CZ
56HCZ
56Z
143TZ
145TZ
160ZBS
182TCYZ
182TZ
184TZ
213TZ
215TZ
254TCZ
256TZ
Enclosure
TEFC
ODP
TENV
TEAO
EPFC
EPNV
OAO
OPEN
SEMI ENCLOSED
TEBC
TEFV
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Motors
Controls
HVAC/R
Grove Gear Selection Tool
HP
< 0.1
0.1
0.12
0.15
1/8
1/7
1/6
0.18
1/5
1/4
1/3
0.35
0.37
0.4
0.7
1/2
3/4
1
1.3
1.5
2
2.4
2.5
2.6
3
4
5
5.5
6
7
7.5
10
12.4
12.5
15
20
25
30
40
50
60
75
100
110
120
125
150
175
200
220
250
270
300
340
350
375
400
HP
1/50
1/40
1/25
1/20
1/15
1/10
1/8
1/6
1/5
1/4
1/3
1/2
3/4
1
1.2
1.5
2
2.2
2.5
3
4
5
5.5
6.70
7.5
10
12.5
14.75
15
20
25
30
40
45
50
60
75
100
120
125
150
175
200
215
250
300
350
375
400
420
425
450
475
500
525
HP
<1/50
1/50
1/40
1/35
1/30
1/25
1/20
1/16
1/15
1/12
1/10
1/8
1/7
1/6
1/5
1/4
1/3
1/2
3/4
1
1.5
2
3
5
7.5
Style
B
BM
BMQ
CMQ
DD
DFE
DFHMQ
DH
DHMQ
DM
DMQ
DTM
DTMQ
DVHMQ
DVLMQ
DXFHMQ
DXHMQ
DXT
DXTMQ
DXUMQ
F
FH
FHM
FHMQ
FLHMQ
FMQ
GR-DMQ
GR-DTMQ
H
HM
HMQ
INLINE
JMQ
KIT
PBQ
RHMQ
SS-BMQ
SS-DHMQ
SS-DUMQ
SS-FHMQ
SS-FMQ
SS-HMQ
SS-TMQ
STXMQ
T
THMQ
TM
TMQ
TXMQ
TXMQ3
U
UH
UM
UMQ
VHM
VHMQ
VLHMQ
VLM
WB
WBM
WBMQ
WDTMQ
WFHM
WFHMQ
WH
WHMQ
RPM
2 poles-2500 to 3600
4 poles-1400 to 1800
6 poles-950 to 1200
8 poles-750 to 900
1800-1200(2 speed)
1800-900(2 speed)
3600-1800(2 speed)
1200-900(2 speed)
RPM
2 poles-2500 to 3600
4 poles-1400 to 1800
6 poles-950 to 1200
8 poles-750 to 900
Size
1
18
21
3
32
518
520
525
534
7172
7272
7472
813
813-832
813-842
815
818
820
821
824
826
830
832
842
852
852-860
860
Voltage
~12(DC)
~12-24(DC)
~12-48(DC)
~24-36(DC)
~90(DC)
~180(DC)
~90-180(DC)
~120(AC)
~120-240(AC)
~230 (240)(AC)
~460 (480)(AC)
~575 (590)(AC)
Ratio
2:1
3:1
4:1
5:1
7.5:1
10:1
15:1
20:1
25:1
30:1
40:1
50:1
60:1
80:1
100:1
125:1
150:1
200:1
250:1
300:1
400:1
500:1
600:1
1000:1
1200:1
1500:1
1800:1
Voltage
115 (1 PH)
115/208-230 (1 PH)
208-230 (1 PH)
208-230/460 / 575 (1 PH)
200 (3PH)
208/416 (3PH)
208-230/460 (3 PH)
460 (3 PH)
575 (3 PH)
12 (DC)
24 (DC)
48 (DC)
90 (DC)
180(DC)
Voltage
115
115/208-230
208-230
460
575
Brand
Dart
Delta
KB Electroncis
Leeson
Lenze
Family
50Hz
Brake Motor
Definite purpose
Explosion proof
Farm duty
Gearmotor
General purpose
HVAC/R(Select HVAC/R in orange section)
Liquidation
Metric/IEC
Multi speed
Permanent magnet DC
Pump
Severe Duty
Washdown/Stainless Steel
Family
Air Boosters
Axial Fans
Belted Fan
Blower Motors
Condenser Fan Motors
Direct Drive
Draft Inducers
ECM
Oil Burner
Refrigeration Motors
Unit Heaters
Output
D
D3
D6
DA
DD1
DU6
H
INLINE
L
L1
L2
L3
L5
L6
LD1
LL
LL1
LR
PARALLEL
R
R1
R2
R3
R4
RD5
RD6
RL
RR
RR6
Phase
1
3
Brand
Century
ECM-Evergreen
Elco
Fasco
Genteq
Leeson
Maxmotion
Morrill Motors
Rotom - Alltemp
US Motors
Enclosure
CHASSIS/IP20
NEMA 1 (IP31)
NEMA 4 (IP65) / NEMA 4X (IP66)
Gear Frame
140
140TC-140TC
180
180TC-180TC
210
250
48
56
56C-140TC
56C-56C
63
71
80
Brand
US Motors - Nidec
MaxMotion
Marathon
Leeson
Lafert
Century
Rotom - Alltemp
Frame
3.3''
4.4''
42
48
5.6''
56
C-Frame / Skeleton
Unit Bearing
Phase
1
1-3
3
Enclosure
OAO
ODP
OPEN
SEMI ENCLOSED
TEAO
TEFC
TENV
Frame
*Nema*
3.3''
4.4''
42
45
48
48N
48NY
48Y
56
56C
56H
56HC
56J
56HJ
56Y
56N(YZ)
143JM
143JP
143T(C)
145JM
145JP
145T(C)
182JM
182JP
182T(C)
184JM
184JP
184T(C)
213JM
213JP
213T(C)
215JM
215JP
215T(C)
254JM
254JP
254T(C)
256JM
256JP
256T(C)
284JM
284JP
284T(C)
284TS(C)
286JM
286JP
286T(C)
286TS(C)
324JM
324JP
324T(C)
324TS(C)
326JM
326JP
326T(C)
326TS(C)
364T(C)
364TS(C)
365T(C)
365TS(C)
404T(C)
404TS(C)
405T(C)
405TS(C)
444T(C)
444TS(C)
445T(C)
445TS(C)
447T
447TS(C)
449T
449TS
C Frame
* IEC *
56 (IEC)
63
71
80
90S
90L
100L
112M
132S
132M
160M
160L
180M
180L
200L
225S
225M
250M
280S
280M
315S
315L
315M
355M
Special shaft
48MZ
48NZ
48YZ
48Z
56HZ
56NZ
56CZ
56HCZ
56Z
143TZ
145TZ
160ZBS
182TCYZ
182TZ
184TZ
213TZ
215TZ
254TCZ
256TZ
Enclosure
TEFC
ODP
TENV
TEAO
EPFC
EPNV
OAO
OPEN
SEMI ENCLOSED
TEBC
TEFV
Search
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Gear Reducers
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Product code: US-R90721
1/12HP 1550RPM 115-230/1/60 OPEN 3.3
Downloadable Documents :
See more information about this product
See alternative options
Alternative Options
D1127
1/12 HP, 1 PH, 60 HZ, 115/230 V, 1550 RPM, 1 SPEED, 3.3 DIAMETER, OAO
EM1127
1/12 HP, 1 PH, 60 HZ, 115/230 V, 1550 RPM, 1 SPEED, 3.3 DIAMETER, OAO
9721
1/12 HP, 1 PH, 50 HZ, 115/208-230 V, 1350//1550 RPM, 1 SPEED, 3.3 DIAMETER, OAO
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