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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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Browning H 1 1/8 SS Split Taper Bushing

$1.99
Lovejoy (Motor to Pump Connector) 5/8 x 1/2 inch

$1.99
Mini DC 4.5V 46RPM Tiny Gear Motor, Durable Metal Gears

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Baldor Electric Motor 2 HP

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NEW TECO WESTINGHOUSE MOTOR EP0752 75HP 3600 RPM 365TS

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Reliance 10 HP Submersible Wet Pit Electric Motor

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ROCKWELL 1/2 hp 1725 rpm motor

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Bodine 34R4BFCI-3F Electric Gearmotor 1/15 HP NEW

$2.23
Gates 5VX950 Super HC Molded Notch Belt New!

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BALDOR MOTOR LOW RPM DRILL MILL LATHE

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LEESON ELECTRIC MOTOR 3HP

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*NEW* DAYTON DC Permanent Magnet Motor Motor,1/8 HP

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NEW TECO WESTINGHOUSE MOTOR N1502 150HP 3600 RPM 445TS

$10899.99
Baldor 7 ½ HP Electric Motor

$189.00
100 HP ELECTRIC MOTOR

$611.71
7.5 hp 3-phase Dayton Electric motor

$175.00
250 HP ELECTRIC MOTOR 460 VOLT 449T FRAME

$850.00
mechanical gear reducer hand crank govt surplus 36:1

$119.00
LEESON 3HP 3 PHASE ELECTRIC MOTOR

$99.00
New IB Telemecanique Thermal Overload Relay LR2 D3359

$9.99
Vintage Majestic Motor/Machine Part

$15.00
GE AC Electric Motor K252 .25HP 1725 RPM NEW

$0.99
Reliance 60 HP Submersible Wet Pit Electric Motor

$749.00
Gates B112 V80 Hi-Power II V-Belt NIB!

$9.99
Marathon B210 Fan & Blower Capacitor Start Motor 1/3 HP

$38.00
R1052 AO Smith Motor 1/2HP 1 PH. 3450 RPM

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Bruel & Kjaer Flexible Drive Shaft UB0041

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NEW TECO WESTINGHOUSE MOTOR EP1502 150HP 3600 RPM 445TS

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Boston Gear Optimount Helical Gear Reducer 221D-14 NR

$14.99
Dayton Motor 1/2 HP 1725 rpm Single Phase

$14.99
Marathon Electric K252 .25HP Eletric Motor 1725RPM NEW

$0.99
NEW TECO WESTINGHOUSE MOTOR N0752 75HP 3600 RPM F-365TS

$5399.99
Baldor 1 HP 3 Phase Motor

$14.99
LOT VARIETY V BELT PULLEY MOTOR MACHINERY PULLEYS

$15.50
Fasco D258 Split Capacitor HP 1/5-1/10 Amps 2.8-1.3 NIB

$2.82
NEW SURPLUS 5 HP ,1PHASE BALDOR ELECTRIC MOTOR

$223.50
Marathon Electric 1/2 hp motor - NIB Item number: 15026

$19.50
WEG Premium Efficiency Electric Motor 15hp NEW

$150.00
OPERATE DC MOTORS ON AC CURRENT FROM 0 TO 7 HP

$5.94
General Electric GE 15 HP Vertical Mount Motor

$299.00
PITTMAN 24 VDC 31:1 RATIO ELECTRIC MOTOR +GEARBOX CNC

$4.24
5/8" pressed steel Pillow Block Bearing SAPP202-10, NEW

$9.59
1/2" pressed steel Pillow Block Bearing SBPP201-8, NEW

$7.95
Dayton Variable Speed V Belts 2L422G Lot Of 2 NIB!

$9.99
MCMILLAN ELECTRIC C3350B3006 2.0 HP PRECISION MOTOR

$49.99
NEW TECO WESTINGHOUSE MOTOR EP1252 125HP 3600 RPM 444TS

$11612.99
Reliance Electric 3ph AC Motor w/ Gearbox Gear Reducer

$99.99
BALDOR EM4103T 25 HP INDUSTRIAL ELECTRIC MOTOR 1770 RPM

$710.00
Century 1081 Pool Pump Duty HP: 3/4 NIB No Reserve

$15.50
Marathon Electric Motor 1/4 HP X097

$39.87
Reliance 25 HP Submersible Wet Pit Electric Motor

$699.00
GE H684 A-C Motor 5KH36MNA445X 1/2 HP NIB No Reserve

$4.01
Fasco motor *7126-2932*

$19.99
Baldor 10 HP Electric Motor

$289.00
1/8 hp Reversible 115V AC PM Motor Variable Speed Drive

$99.00
Falk 1050T Grid w/Grease (124)

$3.50
HILL VARIABLE SPEED 1/4 HP DC MOTOR W/GEARBOX 90VDC

$39.95
10 Johnson Motors DF651 120V AC/DC Power Tools #7742

$29.95
Two Mini 12V DC High Torque Gear Motor 300rpm for Hobby

$17.99
Emerson 2HP Industrial Electric Motor G54313A NEW

$149.00
Ohio Electric Motor D-563215X8168 2HP

$2.80
A.O. Smith Electric Motor OFC1024 1/4 HP NEW

$10.50
A.O. Smith JF1H092N Electric Motor 1/16 HP NEW

$15.50
NEW BOSCH 1/2 HP 120V DC WIND GENERATOR/MOTOR 640W

$5.99
Siemens Electric Motor 2 Hp

$39.99
Baldor Industrial Motor 15 hp NEW

$150.00
WEG W21 Severe Duty Electric Motor 25 hp

$275.00
RSPC C67PXEKP-4439 Motor 1/2 HP 9.5 Amps NIB

$0.99
6 Mabuchi Motor 45 electrical small electric motors

$0.99
US Electric 15 HP Hostile Duty High Efficency Motor

$289.00
DAYTON Adjustable Speed Motor 1F798 New in opened box

$499.99
Bodine right angle gear motor 1/6hp

$49.99
pillowblock bearing locking collar

$3.25
RIGHT ANGLE GEAR REDUCER TYPE VDS 063-MF1-16 --NEW--

$295.00
Dayton 3M126B AC Gearmotor (115VAC, 6RPM, 1/20HP)

$59.00
WHEEL CHAIR MOTOR 12 VDC

$8.50
Gates Truflex V-Belt 1190-3400 LOT Of 44 NIB!

$29.99
Yale-Lift-Tech Electric Motor 328796-72 NEW

$0.99
2 Falk Grid-Lot 1160T & 1120T

$375.00
LEESON ELECTRIC MOTOR 11/2HP

$79.00
Browning Single Groove Sheave Pulley BK36H

$2.99
General Electric 5SME39HL Electric Motor 1/2 HP

$2.82
12 volt Gearmotors,BRAND NEW- PAIR

$14.99
US Electric Motors 10 HP Motor

$289.00
24 V D.C. permanent magnet electric motor 3 HP OHIO P.M

$102.50
Reversible Electric Gear Motor 12v 50 RPM Gearmotor DC

$49.99
Dodge Single Groove Sheave Pulley BK32H

$1.99
Browning Gore Cogged Timing Gearbelt Pulley 12LF075x3/8

$1.99
A.O. Smith 452A Air Conditioner Motor NEW

$0.99
NEW 1/3 HP MARATHON ELECTRIC MOTOR 1725 RPM

$31.00
WWE Single PH 56C Flange Motor W/Manual Overload 1.5 HP

$179.99
Reliance 69 HP Submersible Wet Pit Electric Motor

$850.00
New Baldor Industrial Electric Motor 3 Ph M3D 91236635

$29.99
LOT OF 8 SHEAVE PULLEYS ALL DIFFERENT SIZES

$11.51
4 ASSORTED BANDO V-BELTS

$3.99
NIB WWE Single PH Jet Pump Motor WITH WARRANTY - 1/2 HP

$110.00
Browning Single Groove Sheave Pulley BK34H

$2.99
1/3 HP ELECTRIC MOTOR SINGLE NEW 115 230 VAC COMPRESSOR

$13.50
General Electric DC Electric Motor 2 HP 5BC48AB240A NEW

$41.09