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Belt Drive Motor,1/3 HP,Split-Phase,1725 Nameplate RPM,115 Voltage,Frame 48Y close
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Belt Drive Motor, 1/3 HP, Split-Phase, 1725 Nameplate RPM, 115 Voltage, Frame 48Y

Price $105.75 / each

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  • Item # 6K778
  • Mfr. Model # 6K778
  • UNSPSC # 26101602
  • Catalog Page # 83
  • Shipping Weight 15.2 lbs.
Country of Origin ChinaCountry of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Technical Specs

  • ItemBelt Drive Motor
  • Motor ApplicationHVAC/R
  • Motor Sub ApplicationBelt Dr Fan/Blower
  • Motor DesignSplit-Phase
  • HP1/3
  • Number of Speeds1
  • Nameplate RPM1725
  • Voltage115
  • Frame48Y
  • Motor Enclosure DesignOpen Dripproof
  • Motor Mounting TypeCradle Base
  • Hz60
  • Full Load Amps6.6
  • Motor Thermal ProtectionAuto
  • Insulation ClassB
  • Service Factor1.35
  • BearingsBall
  • Max. Ambient Temp.40 Degrees C
  • Motor Shaft RotationCW/CCW
  • Shaft Dia.1/2"
  • Shaft Length1-1/2"
  • Body Dia.5-5/8"
  • Resilient Ring Dia.2-1/2"
  • DutyContinuous
  • RPM Range1701-1800
  • Phase1
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Compliance and Restrictions

None

Alternate Products


Rated 3.8 out of 5 by 4reviewers.
Rated 1 out of 5 by Poor quality centrifugal switch mechanisn,the weight assembly became loose on the shaft and no longer worked. June 9, 2015
Rated 5 out of 5 by I installed this motor in a large Air Master air circulator fan, and it has performed tirelessly even during temps that exceed 100F. It starts quickly and runs quietly. I believe the motor was a great value for this level of performance. July 18, 2012
  • 2015-07-03T20:43:25.080-05:00
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Product Q&A

(18 Questions : 18 Answers)

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3 months, 1 week ago
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Answer: 
The motor is running constantly because power is constantly being applied to the motor terminals.

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3 months, 1 week ago
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I need to mount a motor vertically would this model be a good choice or is there one more suited to that type of application?
4 months ago
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Answer: 
For a belt drive yes.

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4 months ago
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1/3 hp 1725 rpm 115v. 60hz. 1 ph. cont. duty,
11 months ago
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Answer: 
For an air moving system, this motor should do the job. Double check the shaft length for this motor is 1 & 1/2" long.

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11 months ago
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I have to build a stand for this motor prior to its arival. I need to know the size of the holes and how far apart they are.
11 months ago
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Answer: 
You have a drawing of the motor by now.

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11 months ago
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I bought a Cobra drain snake from Lowes and the motor locked up. I need a replacement. The specs on the Cobra snake motor is; single speed 1/3 HP - 1725 RPM - 115V - 5.7A - 60HZ - 1/2" DIA shaft. Shaft length is shorter but nothing will be in front of this one. It also has a switch and housing screwed and wired on the side for FWD/REV.
1 year ago
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Answer: 
The Dayton 6K778 is a fan motor, it does not have the switch on it. The motor that you have was custom made for Cobra and we will have to order it direct from them. That motor was custom wound to work with that reversing switch.
Please call Grainger at 1-800-GRAINGER and we will be happy to help you find the right motor.
1 year ago
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Also i need to buy a pulley for Motor and the Fan 1AHB1
1 year ago
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Answer: 
The 6K778 motor does not have enough Horse Power to run the 1AHB1. Grainger item # 7AR60 will be a full package with the proper motor, belt, pulleys and will include the 1AHB1.
1 year ago
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1 year, 1 month ago
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Answer: 
Give us a call with all of the data from the nameplate of your motor and we should be able to match it up. 1-800-Grainger

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1 year ago
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Answer: 
In order to better assist you we will need additional information. Please call 1-800-Grainger to speak with a Customer Service Agent. Thank you for using Grainger.com Ask & Answer.
1 year, 3 months ago
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Answer: 
No, split phase and capacitor start motors can not be speed controlled due to the dual start and run windings and the switching device that operates them. There are other options so give our Technical Product Support Team a call for some other options. 1-800-Grainger

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1 year, 3 months ago
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Answer: 
There is a start switch in our 6K778. This motor has been in our system for over 10 years with different revisions using different components. It would be best to give us a call with the specific revision letter (right after the 6K778) off of your motor to identify the correct replacement part. 1 800 Grainger

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  • 2015-07-03T20:25:33.836-05:00
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