question on electric motor bearings the hobby-machinist

Electric Motor Bearing Greasing Basics

Electric motor bearing greasing requires the motor to be de-energized during the procedure The result is reduced risk of excess grease entering the electric motor stator due to Couetti Flow and reduced viscosity due to heat Combined with safety issues proper lubrication can maintain the electric motor

Technical Information

Do you have a technical question or an issue with your application? The links below are meant to provide you with assistance If you cannot locate the information needed at the links below please visit the Service Support section of our website for more information

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Oct 13 2020Motor and VFD recommendation Started by MachineNewfie 10-13-2020 01:38 pm: Replies: 11 Views: 268: mksj 10-13-2020 11:32 pm: Opening a Haas spindle core from 2013 mini mill Started by axisprime 10-11-2020 12:34 pm: Replies: 10 Views: 373: axisprime 10-13-2020 11:31 pm: Calculating gear ration for V belt? Started by Neil H 10-13-2020 03

U S MOTORS – Frequently Asked Questions (FAQ)

Deep groove ball bearings are the most common type of bearing for electrical motor use These bearings are good for moderate radial and axial loads They are used in vertical high thrust motors as a guide bearing for momentary upthrust Typical bearing

Question is ⇒ An electric motor gets overheated This may

Question is ⇒ An electric motor gets overheated This may be due to Options are ⇒ (A) overloading (B) shorted stator winding (C) worn-out or dry bearings (D) low or high voltage (E) any of the above Leave your comments or Download question paper

How to Diagnose Repair Electric Motors

Electric motor test repair guide: This article describes A/C electrical motor troubleshooting: here we provide an electric motor diagnostic table a troubleshooting guide that helps diagnose and repair most electric motor problems for motors found on HVAC equipment in buildings such as air conditioners furnace or air handler blower fans oil burner motors well pumps and condensate return

Motor Connection Diagrams

Electric Motor Wire Marking Connections For specific Leeson Motor Connections go to their website and input the Leeson catalog # in the review box you will find connection data dimensions name plate data etc Single Phase Connections: (Three Phase--see below) Single Voltage:

How To Find Your Replacement Pool Pump Motor Bearings

May 08 2019How To Find Your Replacement Motor Bearings Now that you have your motor's part number the next step is to use it to find your bearings To help with this we have created a PDF spreadsheet that not only lists the bearings for various motors

Welding on an electric motor?

Welding on an electric motor? 07-29-2009 07:22 PM Have some broke bolts on a 3phase feeder motor that hold the fan cover on tried getting them out with a sharp punch and by drilling them out but its in a tight spot so the drill wouldnt work on 2 of them

Electric Motor Bearing Greasing Basics

Electric motor bearing greasing requires the motor to be de-energized during the procedure The result is reduced risk of excess grease entering the electric motor stator due to Couetti Flow and reduced viscosity due to heat Combined with safety issues proper lubrication can maintain the electric motor

Genteq

The Genteq brand has earned a reputation as an industry leader of ECM and axial flux motors for over 30 years These motor and blowers are used in the air moving residential and commercial HVAC industries providing unmatched performance Genteq motors and blowers provide high efficiency variable speed and low noise making it the right solution for your air conditioning heating heat

Century Electric Motor Products

Call Us For Questions Or To Buy Direct 810-744-1240 or 877-986-6867 0 Checkout Search Search Home Unit Bearing Motors ECM-Brushless Unit Bearing Motors Well Pump Motors Woodworking Motors Century Electric Motor 1 1/2 hp 3600 RPM 3-Phase 143T Frame TEFC (rigid base) 208-230/460V Century Motor # TE110

What Do All Those Things on an AC Motor Nameplate Mean?

The voltage at which the motor is designed to operate is an important parameter Standard voltage for motors built to NEMA MG 1 (1987) are defined in MG 1-10 30 One common misapplication is of motors nameplated (rated) at one voltage but applied on a different voltage network using the + 10% voltage tolerance for successful operation

Advice for Greasing Electric Motor Bearings

Greasing electric motor bearings doesn't have to be tricky or based on someone's gut feeling Simply tracking runtime on a motor and greasing on a predefined routine is largely guesswork and can lead to overextended greasing intervals which puts the bearing in starvation mode

Testing and commissioning procedure for electric motors

Sep 10 2020The measurements shall be carried out with an instrument conforming to ISO 2954 (10-1000 Hz frequency range) With the motor at normal operating temperature the vibration velocity shall not exceed 2 8 mm/s RMS or 4 mm/s PEAK in any direction For bearings fitted with proximity probes the unfiltered peak-to-peak value of vibration (including shaft 'run-out') at any load between no load

Bearing Handbook for Electric Motors

68 F (20 C) (thus a bearing temperature of 158 F (70 C) measured on the bearing stationary outer ring or housing washer • Radial bearing: a constant radial load being 5% of the basic static load rating Co • Thrust bearing: a constant axial load being 2% of the basic static load rating Co • Open bearings with Normal clearance

Electric Motor Bearing Lubrication

Permanent absolute bearing protection has a greater effect on motor life than any other decisions made in specifying equipping and caring for electric motors_ Keeping bearings lubricated with the right amount of clean uncontaminated high quality lubricant allows bearings in most industrial motors to outlast all other components

Electric Motor Rotation Direction Which way does an

Electric motor rotor: the rotor follows (turns in the direction impelled by) the rotating magnetic field and thus spins the motor shaft Electric motor stator: the stator consists is a device or core containing start and run windings (of copper wire) wound around a central core to create a magnetic field

Motor Connection Diagrams

Electric Motor Wire Marking Connections For specific Leeson Motor Connections go to their website and input the Leeson catalog # in the review box you will find connection data dimensions name plate data etc Single Phase Connections: (Three Phase--see below) Single Voltage:

Make an Electric Motor Run Again : 6 Steps (with Pictures

Still an older motor may have bearings with dried grease If the bearings are not rusted inside you can probably work new grease into them and improve them greatly I sometimes gently pry a bearing seal off of one side work some bearing grease into them undo any damage to the bearing

How to protect bearings and extend motor life

Jun 17 2019Less contact of bearing components means less wear which means extended bearing life Also this compound labyrinth seal should never need replacement This provides even greater cost savings By increasing the bearing's life the electric motor's life can easily be extended In many cases this extension can be a doubling or greater

Electric Motor Lubrication

Motor life depends on bearing life and bearing life depends on proper lubrication Many electric motor failures are bearing related with the bearings never reaching their intended life According to the U S Department of Energy more than 70 percent of electricity consumed in industry comes from the use of electric motors which make up 25

How to protect bearings and extend motor life

Jun 17 2019Less contact of bearing components means less wear which means extended bearing life Also this compound labyrinth seal should never need replacement This provides even greater cost savings By increasing the bearing's life the electric motor's life can easily be extended In many cases this extension can be a doubling or greater

Electric Motor Bearing Lubrication

Permanent absolute bearing protection has a greater effect on motor life than any other decisions made in specifying equipping and caring for electric motors_ Keeping bearings lubricated with the right amount of clean uncontaminated high quality lubricant allows bearings in most industrial motors to outlast all other components

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Oct 13 2020Motor and VFD recommendation Started by MachineNewfie 10-13-2020 01:38 pm: Replies: 11 Views: 268: mksj 10-13-2020 11:32 pm: Opening a Haas spindle core from 2013 mini mill Started by axisprime 10-11-2020 12:34 pm: Replies: 10 Views: 373: axisprime 10-13-2020 11:31 pm: Calculating gear ration for V belt? Started by Neil H 10-13-2020 03