LEESON R Series Helical-Inline Gear Reducers

R SERIES & P SERIES HELICAL-INLINE
1750 RPM INPUT
This Quick Selection is only for motorized reducers
with base mount (Aluminum = B1 suffix, Cast Iron =
no suffix.) For other reducer configurations refer to
Maximum Rating Tables beginning on page 429.
.75 HP con’t Gear Reducer Quick Selections
Output
Service Output Overhung Number Reducer Aluminum Motor Model
Reducer Only
Speed
Factort Torque Load l Ratio of Weight u or
Frame
Number
Catalog
(RPM) (lb-in) (lbs.) Stages (lbs.) Cast Iron Number
49 2.70 926 922 35.58 2 23 A 56C PBQ7472-35.58-M5-B1 P7472015.B1
49 1.25 926 660 35.90 2 11 A 56C PBQ7272-35.90-M5-B1 P7272018.B1
46 1.13 986 663 38.34 3 12 A 56C PBQ7273-38.34-M5-B1 P7273002.B1
46 1.14 986 663 38.37 2 11 A 56C PBQ7272-38.37-M5-B1 P7272019.B1
44 2.32 1031 988 39.79 3 24 A 56C PBQ7473-39.79-M5-B1 P7473002.B1
43 2.28 1055 988 40.50 2 23 A 56C PBQ7472-40.50-M5-B1 P7472016.B1
40 1.05 1134 674 43.69 3 12 A 56C PBQ7273-43.69-M5-B1 P7273003.B1
40.0 2.03 1134 1012 44.23 2 23 A 56C PBQ7472-44.23-M5-B1 P7472017.B1
39.0 3.52 1167 1600 45.00 2 51 C 56C RBQ8472-45.00-M5-00 R8472019
37.0 1.95 1226 1028 47.22 3 24 A 56C PBQ7473-47.22-M5-B1 P7473003.B1
36.0 1.91 1261 1028 49.00 2 23 A 56C PBQ7472-49.00-M5-B1 P7472018.B1
36.0 2.20 1261 1330 49.00 2 28 A 56C PBQ7572-49.00-M5-B1 P7572037.B1
35.0 1.35 1309 1150 50.47 2 30 C 56C RBQ8372-50.47-M5-00 R8372023
34.0 3.10 1329 1600 51.25 2 51 C 56C RBQ8472-51.25-M5-00 R8472020
32.0 1.69 1418 1041 54.73 3 24 A 56C PBQ7473-54.73-M5-B1 P7473004.B1
32.0 2.38 1418 1354 54.73 3 29 A 56C PBQ7573-54.73-M5-B1 P7573026.B1
31.0 2.85 1447 1600 55.79 3 64 C 56C RBQ8473-55.79-M5-00 R8473001
31.0 1.64 1464 1050 57.13 3 24 A 56C PBQ7473-57.13-M5-B1 P7473005.B1
31.0 2.30 1464 1354 57.13 3 29 A 56C PBQ7573-57.13-M5-B1 P7573027.B1
29.0 1.18 1570 1150 60.54 3 30 C 56C RBQ8373-60.54-M5-00 R8373013
29.0 1.41 1565 1050 60.90 2 23 A 56C PBQ7472-60.90-M5-B1 P7472019.B1
29.0 1.79 1565 1367 60.90 2 28 A 56C PBQ7572-60.90-M5-B1 P7572038.B1
28.0 2.58 1600 1600 61.69 3 64 C 56C RBQ8473-61.69-M5-00 R8473002
26.0 1.37 1745 1075 66.22 3 24 A 56C PBQ7473-66.22-M5-B1 P7473006.B1
26.0 1.93 1745 1519 66.22 3 29 A 56C PBQ7573-66.22-M5-B1 P7573028.B1
26.0 2.34 1763 1600 68.00 3 64 C 56C RBQ8473-68.00-M5-00 R8473003
25.0 1.32 1815 1079 71.01 3 24 A 56C PBQ7473-71.01-M5-B1 P7473007.B1
25.0 1.86 1815 1398 71.01 3 29 A 56C PBQ7573-71.01-M5-B1 P7573029.B1
23.0 2.11 1963 1600 75.71 3 64 C 56C RBQ8473-75.71-M5-00 R8473004
23.0 1.21 1973 1091 76.69 3 24 A 56C PBQ7473-76.69-M5-B1 P7473008.B1
23.0 1.71 1973 1414 76.69 3 29 A 56C PBQ7573-76.69-M5-B1 P7573030.B1
21.0 1.25 2161 1091 82.30 3 24 A 56C PBQ7473-82.30-M5-B1 P7473009.B1
u Weight does not include oil.
t Service Factor is based on maximum torque rating of reducer.
l Overhung load is calculated at centerline of output shaft.
MOTOR SELECTIONS
STOCK GEAR+MOTOR
Start with a Grove Gear IRONMAN reducer
and add a LEESON industrial-duty NEMA C
face motor to produce a Gear+Motor .
3/4 HP LEESON ELECTRIC MOTORS
How To Create a GEAR+MOTOR Part Number
1. Select reducer catalog number
2. Select motor catalog number
3. Order reducer and motor as one line item as shown below
Example:
R8172001 – 110057
Motor Type Voltage Enclosure Frame
Catalog LEESON 1050
Number Catalog Page
General Purpose, C Face 115/208-230 1-PH TEFC 56C 110057 22
General Purpose, C Face 208-230/460 3-PH TEFC 56C 110047 24
WATTSAVER ® Premium Efficiency Motor 208-230/460 3-PH TEFC 56C 114213 18, 24
575 Volt Motor 575 3-PH TEFC 56C 110177 66
SCR Rated DC Motor 90 VDC TEFC 56C 098032 81
SCR Rated DC Motor 180 VDC TEFC 56C 098069 81
Helical - Inline
Gear Reducers
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com