Nice find, and let me give you a big you suck .

Good luck with it.

 

I wish 99% of the LJ community could write this well. Great find, happy turnings.

Paul

 

The upper bearings seem to be doing okay, but I'm tempted to drop the forty for new ones, just because.

If the other bearings are bad, then the spindle bearings are probably not too far behind. Not sure if they will be $40 though… AFAIK, it takes a 3205 and a 6205 - should be less than $10 a piece. Get them from a reputable bearing supplier like Accurate. Best to replace them all while you have things apart, and then you can be sure they are good. Verify what is there though before ordering.

Lots of info on rebuilding that lathe over at OWWM... this thread should get you started: Delta 46-450 Lathe

Cheers,
Brad

 

Like woodchuckerNJ says - you suck! ;o)) Good find!!!.

 

No photos?

 

Shop around for ABEC 3 bearings if you need replacements. If a bearing doesn't have an ABEC number it is not a precision bearing. ABEC 3 bearings are usually not that much more expensive, but they are noticeably quieter than non-precision bearings. You can get higher precision, but they start getting a lot more expensive. Also make sure you get bearings with a C3 clearance spec, as this is a high-speed application.

Some other features are more or less worth looking for. For example, the bearings I just put in my Excelsior are ABEC3/C3 6005-2RS GCr15 EMQ. ABEC3 and C3 are the precision and clearance ratings, as mentioned above. 6005 is the size and type of bearing. The 6 means it is a radial-thrust, single-row, ball bearing. The 05 is the inside diameter, divided by 5, so this bearing has a 25 mm ID. The first 0 represents the diameter series. For every inside diameter there's a series of outside diameters, so this number doesn't give you the outside diameter directly, but you can look it up. The 2RS just means it has rubber seals on both sides. (Some lathes come with ZZ bearings, which have metal shields on both sides, though I have no idea why.) GCr15 is the name of the chromium steel alloy the bearing is made from, so you can look up the hardness and other properties from that. EMQ means "electric motor quality," which only means they claim to be good enough to use in motors. This is not an industry standard, and there are no published specifications. Take it with a shaker of salt.

If you do shop around and need any help interpreting bearing specs, give me a shout.

By the way, I paid $23, including shipping, for 10 of these bearings, so at $2.30/ea. precision bearings are pretty affordable. I've seen pig-in-a-poke bearings selling for a lot more.

 

Big you suck. There have been half a dozen or so on CL over the last year, all over $450. I was happy to score 46-111 for $100.

re: bearings. When researching bearings for my Craftsman which had an oddball metric/sae bearing size, I read that ZZ bearings are used in lathes because the rubber seals cause a slight amount of drag. Also I would be concerned about using cheap bearings because there is enough work in changing bearings that I wouldn't want to do it again.

 

Thanks VERY much for the information on the rebuild and bearings guys.

Now that that little beast is apart, I can see a lot of it is self explanatory and pretty straight forward. No doubt, a few tips and trick, such as those provided, will prove invaluable.

The upper bearings said only "MRC 5205."

Using my precision tape measure (moving back and inch and allowing a quarter inch for wide marks), I came up with these, approximate numbers:

Width 3/4" or .75" or 19mm
OD 2-1/16 or 2.0625" or 50.8mm
ID 1" or 25 mm

All that, aside, I ran the number at VBX and got hits on a lot of "angular" bearings. What manner of animal are they? They ran about nineteen to fifty each. Just a little higher than your two thirty each bearings.

 

Just went to the Accurate web site and tried to wander. It seems no place for laymen. Tried inches and metric and the part number, but got nothing back.

 

All that, aside, I ran the number at VBX and got hits on a lot of "angular" bearings. What manner of animal are they? They ran about nineteen to fifty each. Just a little higher than your two thirty each bearings.

VXB is generally about twice what you will pay for the same bearings at Accurate. For example, I recently needed some 6205's for a Baldor motor that I was rebuilding. For Nachi 6205-2NSE bearings, VXB's price is $11.77 a piece. I got the exact same bearings from Accurate a few months ago for $6.41 a piece. Shipping was also cheaper from Accurate… the lowest priced shipping from VXB was $5.55 using their "take your time USA only" option, or $6.67 for their "3-7 shipping days USA only" option. Shipping from Accurate was $4.58 via USPS and I got them in three days. Ordering two bearings from VXB would have cost a total with shipping (take your time option) of $29.09. From Accurate, the total with shipping was $17.40. As always, YMMV.

For the bearing you mentioned, the 5205, that is a double row angular contact bearing with measurements of 52mm O.D., 20.6mm Width (13/16") and a 25mm bore. It is the same size as a 63205. The OD and bore are the same as a 6205, but the 6205 is a single row bearing and not as wide (15mm). For looking up bearing dimensions at Accurate, click on the "Interchange Part #'s" tab at the top of the page.

Cheers,
Brad

PS: Forget trying to measure bearings with a tape measure… precision or otherwise. Get some callipers.

 

The upper bearings said only "MRC 5205."

- Kelly

MRC is Marlin Rockwell Corp., which bought up three older companies: SBC, Gurney, and Strom after WWII. SKF owns them now, but kept the name for this family of bearings. 5 is a double-row, angular contact or spiral roller bearing, 05 means 25 mm ID, 2 means it's 52 mm OD. Roller bearings always cost more, but they wear longer, so you may not even need to replace them. If the seals are rubber you can pull them out with a dental probe and check the lube. If there's plenty of grease with no glitter in it, put the seal back on. You're good to go. If they're bad you might be looking at at least $25 apiece. I found some for ~$23 on Amazon, but the description said, "premium ABEC-3 and 5 tolerances," which is nonsense. Either they're 3 or 5, and no way they're 5 if they're $23, so what's the 5? If they're C5, that's too loose.

Anyway, if you need them, shop around, see what you can find. Good clear specs mean a lot more than a familiar brand name. Companies get bought and sold left and right these days, and unless you follow that stuff, you don't know if whoever bought the brand bought the IP or the manufacturing or just the brand. But ratings and specifications are enforceable.

 

That's great news. I had to replace the guide bearings on my Powermatic and they were twenty each through Powermatic, but VBX was about six for eight, plus shipping. A good find, but it sounds like Accurate is far better yet.

Was being facetious about the tape. I used my inch calipers (have to toss the digital things and get something that doesn't care about batteries ninety miles away).

This is what the VBX site came up with: http://www.vxb.com/SearchResults.asp?searching=Y&sort=2&search=5205&show=15&page=1

All that, aside, I ran the number at VBX and got hits on a lot of "angular" bearings. What manner of animal are they? They ran about nineteen to fifty each. Just a little higher than your two thirty each bearings.

VXB is generally about twice what you will pay for the same bearings at Accurate. For example, I recently needed some 6205's for a Baldor motor that I was rebuilding. For Nachi 6205-2NSE bearings, VXB s price is $11.77 a piece. I got the exact same bearings from Accurate a few months ago for $6.41 a piece. Shipping was also cheaper from Accurate… the lowest priced shipping from VXB was $5.55 using their "take your time USA only" option, or $6.67 for their "3-7 shipping days USA only" option. Shipping from Accurate was $4.58 via USPS and I got them in three days. Ordering two bearings from VXB would have cost a total with shipping (take your time option) of $29.09. From Accurate, the total with shipping was $17.40. As always, YMMV.

For the bearing you mentioned, the 5205, that is a double row angular contact bearing with measurements of 52mm O.D., 20.6mm Width (13/16") and a 25mm bore. It is the same size as a 63205. The OD and bore are the same as a 6205, but the 6205 is a single row bearing and not as wide (15mm). For looking up bearing dimensions at Accurate, click on the "Interchange Part # s" tab at the top of the page.

Cheers,
Brad

PS: Forget trying to measure bearings with a tape measure… precision or otherwise. Get some callipers.

- MrUnix