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| Forum topic by Bothus | posted 68 days ago | 259 views | 0 times favorited | 11 replies | ![]() |
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68 days ago |
I have decided to replace the bearings in my Unisaw 3hp motor. Is there anyway to find out what bearings I will need to buy without taking it apart first? Or maybe I should take it about first to make sure there isn’t anything else that needs replacing? Let me know your thoughts. ;; -- Professional kitchen designer, amature woodworker. |
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68 days ago |
I would take it off 1st ,you will have to remove it anyway!!! -- --<<<<<< I will not stop until I get it right. >>>>>>-- |
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68 days ago |
I prefer to buy my bearings from my local bearing place. Then you have to remove them first. I’ve had horrible luck getting bearings from manufacturers. They keep changing things, and don’t seem to know what they have done. I own a $60,000 sander from SCMI. We ordered bearings from their manual, with their part # -- Kent Shepherd * The goal is-----More Tools! |
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68 days ago |
Why are you replacing them? you don’t say.I think you will find that the manufacturers will be able to sell or tell you which bearings to use.However you may well find good old USA bearing company will do better pricewise and quality wise also.Please don’t skimp on bearings don’t buy Chinese unless you have no option ( which I don’t believe) and get it up and running sweet as new again and have fun.Alistair ps perhaps sealed for life bearings of the right design are bestAlistair -- excuse my typing as I have a form of parkinsons disease |
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68 days ago |
Most big cities will have a supply house dealing in bearings. They measure them. Bearings are usually standard sizes. They could maybe get the numbers off the old bearing. Inside diameter, outside diameter and depth is normally all you need. Take them with you, they will match them up.This is standard operating procedure. -- I'm a lumberjock and I'm ok, I sleep all night and I work all day! |
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68 days ago |
If you go to the service net web site you should be able to enter the model number of the motor and get a parts list. However, it will give you the delta replacement number. I would call Accurate Bearing after you remove the bearings and they will be able to cross reference the bearings you have. You can also cross them yourself on their site found here -- My job is to give my kids things to discuss with their therapist....medic20447@gmail.com |
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68 days ago |
Kent….can you show me a photo of a $60,000 sander I have never seen one before.. -- --<<<<<< I will not stop until I get it right. >>>>>>-- |
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68 days ago |
Thanks to all for the feedback. GMman, I guess I will have to take the motor apart first. I just don’t want to leave it apart too long. The longer it stays apart the less likely it is to get back together. Kent, that sounds like good advice. That is strange about SCMI though, I have had to order a few things for our equipment here and they were very good about it. No bearings though. Scotsman, I am replacing them just to be safe. The saw is 16 years old and I already have the entire thing apart anyway so it won’t be a big deal at this point. I may go local but I like to buy things online when I know exactly what I want. I only go out to shop. Ken, based on you earlier suggestion in another post I called Accurate this morning. Being a novice at this I thought they would have some master database and be able to tell me what bearings I needed… they thought I was crazy… but they were very nice about it. I checked DeWaltServiceNet.com and there is no info on it online. It said I needed to call my local service center. Have you purchased from DeWaltServiceNet.com? I found several things on there to buy for my saw, added them to my shopping cart, entered my CC info hit Submit Order and it just keep bringing me back to the same page. No error message, nothing. I checked every required field and they were populated. So I called my local service center and placed the order. I should have everything in 5-10 working days. The are only 40 miles away. If I didn’t have to work for a living I’d drive out there and pick them up. I didn’t ask them about the motor bearings because Kent’s comments above scared me. I’ll take it apart first so I will know what I need. Thanks again guys. ;; -- Professional kitchen designer, amature woodworker. |
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68 days ago |
As much as I like to do things myself, I would take the motor to a motor repair shop. They have the tools, expertise and if it gets broken- they have to fix it. If the motor is old enough to need the bearings replace, it probably should be checked over for any other possible problems (or soon to be problems) |
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68 days ago |
Since the saw is all apart, I’d take the motor apart and get the bearing number. The only thing that I’d suggest is when you take off the end caps watch out for wires and brass springs. Go for taking it apart yourself. -- What happens in the workshop stays in the workshop. No wait that doesn't sound right. Karson Southern Delaware karson_morrison@bigfoot.com † |
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68 days ago |
I agree with Lew, take the motor to the service center…. I like to think I can repair anything, most of the time I do, but sometimes it is just easier to let someone else do what they do best… Typically the endplates are aluminum and pressing the bearings out may damage the endplates unless you have the correct plates, sleeves and press. They can also use the correct solvents and test the electrical parts, “just to be safe” Just because the bearings are 16 years old does not mean that they need to be replaced do you know what the radial and end play is? more importantly what is the allowable tolerance ;) -- Dane, Fairview Pk, OH. The large print giveth and the small print taketh away... |
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68 days ago |
http://www.owwm.org/ -- eric post, tallahassee FL |
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