Cheap Bearings for Belt idlers - Page 2
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  1. #21
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    Default idler pulley clarification

    Not only do I need the bearings but I also need the idlers wheels and brackets too. Both assemblies are completely missing from my 10ee. Thanks

  2. #22
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    I think I still have the idler wheels and bracket on a 10EE I'm parting out. Its at my warehouse, probably won't be there until Wednesday.

  3. #23
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    Default idlers

    Looking forward to hearing from you. Thanks

  4. #24
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    I did locate the Monarch idler, its the diecast version with decent bearings, $35.00

  5. #25
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    Default Are there two?

    There are two belt idlers. One towards the back of the lathe that travels in a t-slot and another toward the front of the lathe on a bracket. How can I get in touch with you to arrange the sale of these parts? Please send an email. Thanks

  6. #26
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    Sent you a P M regarding the idlers

  7. #27
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    Default

    Quote Originally Posted by JohnnyJohnsoninWI View Post
    ...A bit more information. The supplier is Noma IKS Corporation, 1555 W. Rosecrans Ave., Gardena, CA 90249-3027, www.iksbearing.com/index.html. I ordered two #88503 and four #87504 bearings for the three idler pulleys. They cost $9 each and charged $7.73 for shipping to WI.
    John,
    Question about the feed belt idler bearings.
    The old ones I took out (may have been replaced once already) are 87503, and you tried 88503.

    Looks like 88503 has two sides extended inner race and double seals:
    http://iksbearing.thomasnet.com/item...=10&assetid=g2

    And looks like 87503 has one side extended inner and a shield and seal:
    http://iksbearing.thomasnet.com/item...=prod&filter=0

    Thinking I should order the ones I removed, and there is a difference in our idler pulleys, or am I missing something?

    Grigg

  8. #28
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    Default

    Quote Originally Posted by Sean Myers View Post
    You can get them for around $6 from accurate bearing. japanese made too.
    Agreed. The spindle belt tensioners take a pair of Accurate Bearings' 87504, and the feed belt tensioner takes a pair of 87503.

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  10. #29
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    Quote Originally Posted by Sean Myers View Post
    You can get them for around $6 from accurate bearing. japanese made too.


    Sean
    March 2010, Accurate sells the Japanese IKS brand 87504s for $12 each.

  11. #30
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    Is there any reason I should go for the felt seal replacement bearings or just double sealed 6203 and 6204? I took mine apart today because the noise was annoying me...

    Thanks

  12. #31
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    Default

    I used the double sealed version (purchased from VXB) - no issues. I think sealed are better in these applications. Sealed may limit max speed but they should be rated for about 15K rpm so you should be just fine - YMMV.

    Paul

  13. #32
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    Yeah, I ordered some double sealed Nachi bearings from amazon for all three idlers and also new gates belts as well. The feed belt is a special thing and mine is in decent condition so I may leave it as is.

  14. #33
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    Ordered from Accurate Bearing March 2018

    87503 - $9
    87504 - $13.68

  15. #34
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    Noma is still shipping these bearings made in Japan. I just got a set for $72.26 including all 6 idler bearings, tax, and shipping.
    Installed them today, very nice. Also nice to have the sealed bearings so installing them wasn't nearly as messy as pressing the old ones out.

  16. #35
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    Quote Originally Posted by macona View Post
    Found a source of cheap bearings for the main belt idlers. They use a Felt Seal version of a 203 or a ND C8504. Applied couldnt find anything, they said felt seals were hard to find now. Then I found IKS has Felt Seal Replacment bearings. Same dimensions but a rubber seal instead of felt:

    404 - File or directory not found.

    I ended up with the 87504 bearings. $9 each. Made in Japan. Much better than the old ones.
    Any thoughts on these as replacements, can't find any of the IKS bearings. The specs are right and a match to the original according to the original drawings on CONSOLIDATED BEARINGS COMPANY - CONSOLIDATING THE WORLD'S BEST BEARING MANUFACTURERS INTO ONE RELIABLE SOURCE, just not sure what quality they are.

    87504 felt seal ball bearing 20x47x5/8 87504/2A

  17. #36
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    Any 87504 will work. Since these are shielded/sealed getting 30 year old original New Departures isn't the best thing.

    I used these:

    1 NIB MRC 87504 BALL BEARING 20MM X 47MM X 15.87MM SINGLE SEAL, SHIELD (2 AVAIL) | eBay

    Any generic bearing advertised is likely to be from China, if that is important to you.

  18. #37
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    Default

    I wanted to add my update to this thread to keep it current. I have a 1965 EE and it originally had 4 of the 87504 and 2 of the 87503 bearings in the three belt idlers. These bearings have a shield on the inside, rubber seals on the outside, and an extended width inner race. Noma Bearing Corp. carries the original replacements as well as a replacement that has rubber seals on both sides. The rubber seal on both sides versions are a 8503 and 8504 bearing. They are made by IKS which is a high quality Japanese bearing. On 2/5/2020 the 8503 is $8.75EA and the 8504 is $9.00EA

    Specs:

    87503: 17MM Bore 40MM OD 14.30MM Width
    87504: 20MM Bore 47MM OD 15.88MM Width


    You can buy them here:
    8503 – Noma Bearing Corp
    8504 – Noma Bearing Corp


    Accurate Bearing Co. also stocks the 87504 & 87503 IKS brand bearings they were just more expensive than Noma Bearing Corp.


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