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Industrial Equipment, MRO

Motors, Transmissions

Motors, Transmissions Article

Early transmissions included the right-angle drives and other gearing in windmills, horse-powered devices, and steam engines, in support of pumping, milling, and hoisting. Most modern gearboxes either reduce an unsuitable high speed and low torque of the prime mover output shaft to a more usable lower speed with higher torque, or do the opposite and provide a mechanical advantage (i.e increase in torque) to allow higher forces to be generated. Some of the simplest gearboxes merely change the physical direction in which power is transmitted.

Many typical automobile transmissions include the ability to select one of several different gear ratios. In this case, most of the gear ratios (simply called "gears") are used to slow down the output speed of the engine and increase torque. However, the highest gears may be "overdrive" types that increase the output speed.


Motors, Transmissions Items

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3 BRAND NEW ORIENTAL MOTORS INDUCTION MOTOR #4IK25GN-S
$79.00
Baldor 3HP DC Motor 49P TEFC HOR 184TC CDP3603 NEW
$199.99
THOMSON MICRON DURATRUE 90 RIGHT ANGLE GEARHEAD 20:1
$149.00
200 HP GE General Electric Extra Severe Duty Motor
$2675.00
15 HP 3465 THERMO KING MOTOR 3 PH 215 TY 230V
$500.00
1LOT OF [3] ELECTRIC GEAR MOTOR 10 RPM/ 21RPM/42RPM
$29.00
LEESON 108014.00 FRAME V556C 1/2 HP MOTOR, NEW
$29.99
Reversible PMDC Electric Gear Motor 12v Gearmotor DC
$59.99
NV-5005 LINK BELT GEAR MOTOR W/ GE 3HP MOTOR 105 TO 1
$249.95
250 hp Newman Electric motor ready to install.
$500.00
NYLIGN Light Duty Flexible Coupling 7/8" part no 148346
$0.99
THOMSON MICRON DURATRUE 90 RIGHT ANGLE GEARHEAD 25:1
$149.00
Bodine Gear Motor Speed Control Board
$38.00
Gearbox 1:1:4
$59.99
BALDOR "SUPER - E" PREMIUM EFFICIENT INDUSTRIAL MOTOR
$160.00
10-6203-2RS NEW! Deep Groove Bearings
$9.00
2 speed 7.5/5hp, 1750/3450 rpm, 3 phase motor, 220v
$200.00
Fasco 7104-0254 DC Motor 24V 5.4A Delta 1661651 24VDC
$9.99
VEXTA C9454-9012K 2-PHASE 5.6 VOLT STEPPING MOTOR
$10.00
DURATRUE 90 RIGHT ANGLE GEARHEAD 10:1
$149.00
Lincoln SRF6S1TCN61 Electric Motor 1 HP 5/8" Shaft Dia
$75.00
EMERSON MODEL SA55PH-1053 ELECTRIC MOTOR
$75.00
1LOT OF [3] ELECTRIC GEAR MOTOR 10 RPM/ 21RPM/42RPM
$29.00
1LOT OF [3] ELECTRIC GEAR MOTOR 10 RPM/ 21RPM/42RPM
$29.00
Hazardous Location Spooler Winder w/Dayton 90VDC Motor!
$99.99
gear motor window
$2.00
200pcs of new Black O-ring,OD=9mm ID=5.2mm F/S
$14.99
Two 24 DC wiper motors can be used for robots arms
$18.00
Baldor Electric Motor 1HP 3 phase
$75.00
Morse Cobra Power Transmission
$40.00
Double Reduction - Boston Gear Box No. WA726-B100G
$550.00
SEWING MACHINE MOTOR Lathe FISHING ROD Line Spooler NEW
$34.99
1LOT OF [3] ELECTRIC GEAR MOTOR 10 RPM/ 21RPM/42RPM
$29.00
AXISGEAR T4113/4 Right Angle Gearbox - 1 to 1 Ratio
$49.99
200HP Teco Westinghouse MAX-SE N2004R Electric Motor
$3299.99
C-Flange Speed Reducer Gear Box - Dodge 10013838-SE
$950.00
BS-1044 SUMITOMO GEAR REDUCER CHHS-4195DBY-435
$249.95
Reversible Electric Gear Motor 12v 50 RPM Gearmotor DC
$59.99
MILWAUKEE 23-66-1021 SWITCH FOR HOLE HAWG 1670 OR 1675
$10.00
Philadelphia Mixer Clamp on POG-12 in NJ No Reserve
$400.00
BALDOR M3312T 213T 10 HP MOTOR, NEW
$99.99
Ohio 1.5 HP Motor w/Doerr Right-Angle Reducing Gearbox
$29.99
Morse Cobra Power Transmission
$40.00
1/2 HP A-C Electric Motor 4 Speed Fan Motor NEW
$24.95
407 Pcs O-Ring Assortment Wholesale - Universal Series
$7.43
GC-1056 GE 5K326JL319V 30 HP, RPM 1185, 460V, 3 PHASE
$249.95
FECO FRAME 215T 10 HP MOTOR
$49.99
12V 30 RPM Gear Box DC Motor for Hobby Robot Control 12
$17.99
144V 80 HP DC ELECTRIC VEHICLE/CAR MOTOR + CONTROLLER
$3694.00
RELIANCE MOTOR AND TIGEAR 2 GEARBOX
$100.00
Fybroc 2 Pump Motor Base Plate Only in NJ
$220.00
12 volt DC electric gearmotor 60-1 RATIO 3/8 SHAFT DIA.
$29.95
Motor,3-Phase,IP55,7 1/2 HP,5.5 kW
$1.00
110 VOLTS 700 WATT DC WIND GENERATOR MOTOR LATHE
$11.99
New SEW-USOCOME Flange Mount Motor w/ Brake DFR63M4 NR
$29.99
Two Mini 12V DC High Torque Gear Motor 300rpm for Hobby
$17.99
Marathon 56T17F2036B Electric Motor 1/2 HP 5/8" Shft
$75.00
BALDOR M3664T FRAME 184T 2 HP MOTOR
$59.99
U.S. F-9291-01-01 3HP FRAME 213T MOTOR, NEW
$49.99
NEW IN BOX 30 HP LINCOLN MOTOR
$1500.00
MARATHON 3 HP FRAME 182T MOTOR, NEW
$59.99
Dayco BP70 Super Blue Ribbon V-BELT 16C1850 New
$5.99
One Medium Torque DC 3V 220RPM Gear Motor Multi-Purpose
$9.99
New SEW-Eurodrive R Series Helical Gearmotor R27DT71D4
$99.99
capacitor
$1.00
ELECTRIC MOTOR DAYTON 3 SPEED
$9.99
GE Carrier AC Motor NIB $ 367 Value
$199.00
37mm 12V DC 5RPM Replacement Torque Gear Box Motor New
$9.99
doerr electric motor 1hp 3 phase
$8.00
DC 12V 100RPM Very High Torque Gear Motor for Hobby-New
$9.99
MITRPAK TO6 Right Angle Gearbox - 1 to 1 Ratio
$79.99
BISON 1/4HP DC gear motor 1$ NR NEW
$36.00
Eberhard Bauer right angle dodge gear motor D 73734
$200.00
AC Adjustable Frequency Drive, Motor Output HP 3
$99.00
BELTS GEARS 3 STEPPER MOTOR PHOTO ROBOTIC PARTS ROBOT
$0.99
1LOT OF [3] ELECTRIC GEAR MOTOR 10 RPM/ 21RPM/42RPM
$29.00
Marathon Series-E 15Hp Motor 230/460VAC 1760RPM 3-Phase
$339.99
50 HP GE General Electric Extra Severe Duty Motor
$875.99
New Marathon Leeson 1 HP AC Motor, #G527, 1800 RPM
$127.00
Dayton 3M662 Shaded Pole Motor 1/40 115 VAC 1550 R NIB
$39.00
ORIENTAL MOTOR, GEARHEAD REVERSIBLE, 3RK15GN-AUL
$16.00
NIB MINNESOTA ELECTRIC 1 HP PERMANENT MAGNET MOTOR
$200.00
NV-5001 WINSMITH GEAR SPEED REDUCER 158.5 TO 1
$249.95
EC-3069 SEW-EURODRIVE TYP R92A-KS GEAR DRIVE RATIO 23.2
$199.95
NEW ELINCO AC 3 SPEED MOTOR 115 V SINGLE PHASE
$24.99
NV-3000 DAVID BROWN RADICON GEAR DRIVE 48/1-R RATIO
$499.95
CARBON/GRAPHITE DC MOTOR BRUSH KIT CARBONE CB86 (NEW)
$9.99
1/2 HP 48V DC ELECTRIC MOTOR BATTLE BOT SCOOTER
$5.94
115V 60HZ Electric Motor Variable Speed Drive 115vac CW
$59.95
New Reliance Duty Master 1/4HP 230/460v Elec. Motor
$9.99
NEW 5-4-3-2 OD 4-Step 7/8" Bore Cast Iron Pulley Maska
$47.80
NEW 30 HP BALDOR ELECTRIC MOTOR WITH STEARNS BRAKE
$995.00
1LOT OF [3] ELECTRIC GEAR MOTOR 10 RPM/ 21RPM/42RPM
$29.00
1/3 HP AC Electric Motor NEW
$24.95
4.5-7 HP 24V ELECTRIC DC MOTOR INT. DUTY
$300.00
Gearmotor,93 RPM,13 Torque,90 VDC,TENV
$39.00
BROWNING RIGHT ANGLE GEAR BOX 1:1 RATIO 6HSB1-LR10 NIB
$199.00
Electrol M3460 1/2HP Motor 1725 RPM 5X Transmission
$9.99
GTO R4211 New Replacement Control Board For PRO3040PCB
$249.00
Worm Gear Speed Reducer Gear Box - Browning 133U1-LR5
$125.00