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Delta 46-612 lathe bearing sizes

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Forum topic by TheFridge posted 11-07-2018 03:02 PM 397 views 0 times favorited 8 replies Add to Favorites Watch
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TheFridge

10858 posts in 1905 days


11-07-2018 03:02 PM

Topic tags/keywords: delta 46-612 lathe lathe

Anyone familiar with this style/model? Reeves drive. Looking for bearing dimensions for spindle bearings. I have 6201-6206 bearings so I’m not worried about the typical ones. Mainly just the one that looks like a double row by the center or any other bearing that isn’t a typical 6200 series.

Would like to change bearings in one sitting since I can’t leave parts scattered around my dads shop :)

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.


8 replies so far

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johnstoneb

3115 posts in 2591 days


#1 posted 11-07-2018 03:21 PM

You may have to take it apart and get numbers off the bearing. ereplacement parts doesn’t list a 46-612. Mikes tools list the same manual for the 612 and 613. For the 46-613 they both list delta part numbers. The last 4 digits that usually are the generic bearing numbers are different.

-- Bruce, Boise, ID

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LesB

2126 posts in 3862 days


#2 posted 11-07-2018 05:53 PM

If you are trying to do it all in one “setting” or day I would locate a local bearing shop. Then take the old bearings out and go to the shop where they can measure (if necessary) and find you replacements. Try to avoid those bearings made in China….

-- Les B, Oregon

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TheFridge

10858 posts in 1905 days


#3 posted 11-07-2018 07:30 PM

the pain is finding the Substitutions for the substitutions that correspond to a known size as opposed to a part. Ebay is usually a good place to track down a bearing under a variety of old and new part #s. Sifting through those to find one that actually has specs is a pain. Then I have to research it to confirm it. Right now I’ve found a 25mm 52mm .8125in double row angular contact and Ive found a double row 25 52 20.5mm. Both say they’re compatible. Just have to sift through the BS to figure out which one. Is usually a much shorter process if someone knows.

Bearing or motor shop is no go. Fully capable of doing this myself. If I have the bearings in hand I can do it in a couple hours. I’m storing this in my dads shop without permission and really didn’t want to start taking it apart and cluttering his shop until bearing come in :) NSK from local motion industries or nachi from Accurate Bearings is what I use. Cheap Chinese bearings don’t last.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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MrUnix

7405 posts in 2618 days


#4 posted 11-07-2018 08:32 PM

Yank them and verify… spindle removal is pretty easy, and you just need to get a peek at them.

Sometimes you can get lucky and find the specs from other places. Sometimes, you get unlucky and find that the same part is listed differently at those other places :( For example, the larger bearing, P/N 920-07-080-5334 looks like it’s a 5206 bearing based on the specifications found at aerobasegroup – 62mm O.D., 30mm Bore, and 15/16” (0.9375”) width. But then you have a bearing set listed on Amazon which states 52mm O.D. and 25mm Bore and a 20.5mm width?!?

Of course, you could always order one of each and then return the one it wasn’t :)

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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TheFridge

10858 posts in 1905 days


#5 posted 11-07-2018 08:37 PM

Sounds like my pops is really gonna hate me for taking up his shop space :)

Yeah. Just gonna pull it apart and see. I don’t have any double row bearings. Might have to get a couple extra and post it so it’s on here so that it’s researchable.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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MrUnix

7405 posts in 2618 days


#6 posted 11-07-2018 08:48 PM

Ok, here is a update that may get you in the right direction -

The part number for the larger bearing, 920-07-080-5334, equates to the older part number SP-5334. The “SP” prefix indicates a standard part. So, I broke out my old Delta common parts reference list. SP-5334 is listed as a New Departure bearing #55505. The smaller bearing, 920-04-020-5360, equates to the old part number SP-5360, which is listed as a New Departure bearing #77505. It appears that the Amazon listing I pointed to above has the correct bearings after all. Wonder how much cheaper they will be from Accurate :)

Cheers,
Brad

PS: I would still yank and verify first though. You can pull the spindle, get the info, and put it back in like nothing happened – pops will never know :)

-- Brad in FL - In Dog I trust... everything else is questionable

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TheFridge

10858 posts in 1905 days


#7 posted 11-07-2018 08:51 PM

55505 is what I’ve figured so far. Trying to find something local so I can work on it Friday.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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TheFridge

10858 posts in 1905 days


#8 posted 11-10-2018 07:33 PM

Got it. 5205. Double race angular contact. Now I have to figure out what I need to fix the cable for the reeves drive.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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