Need Help with Cornwell? Drawer Slides

[Unmarked Bill]

Picked up this box a couple weeks ago, figured it'd be good to have a big deep box in the corner and the price was fine. In trying to rehab the operation of the box a bit, I found it uses these 626z roller bearings for the sliders and most of them are blown out, unusable.

I talked to a guy from Cornwell and he said he'd come take a look after the 1st, but I'm not seeing any boxes like this one online anywhere, so I'm wondering if it's even a Cornwell. The casters are Cornwell and they look original to the box, but that might not mean anything of course. I'm not too hung up on the brand but it might help ID the sliders?

The drawers use the 626z bearings on a threaded shaft (photo,) I guess this is called a "cam follower bearing," but I'm not finding a good source for the bearings mounted on this shaft, and they don't come off it. The same threaded style bearing holds the slides to the inside of the box. So that's four bearings per slide so far. The other four bearings, also 626z (photo,) are staked onto the rails of the sliders, I could drill them out and rig something up but I suspect it'd get wonky after a while and I won't want to unload the box again to fix the slides once they're in.

The box is 54"L x 30"D x 41"H, does anyone recognize it?

More importantly, does anyone recognize these sliders or know the name of them? I've been looking and looking online and they seem close to some slides that Blum makes (or used to make.) The slides are 27 5/8" long.

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[zkling]

Interesting, it has slides like an industrial cabinet. Looks like it was red at one time. Are there any stampings on the back side? It looks like it has lots of adjust ability with all the spaces to put slides on. In for info.

It looks like the bearings have the stud pressed in the inner race? Can you press it out and press a new bearing on?

 

[Unmarked Bill]

Not sure about the press but I couldn't hammer them off for anything.

 

[CWP1616L]

I'm not sure you're getting the oil where it needs to go. On those roller bearings, I'll use Tri-flow and I put the straw right on that line that goes around the side of the bearing between the inner and outer races. I got those type of bearings on my file cabinet.

 

[Unmarked Bill]

Not trying to oil them, trying to replace about a hundred that are staked or riveted on. Thanks

 

[CWP1616L]

Do the slides say Accuride on them anywhere?

 

[The Cobbler]

look for 700 mm Euro full extension slides and replace them
http://www.richelieu.com/en/full-extension-drawer-slide-9997X28B?fr=fic

 

[CWP1616L]

^How'd you come up with that specific part number?

 

[The Cobbler]

^How'd you come up with that specific part number?

just trying to help. I searched euro full extension drawer slides in a company that I know supplies , 700 mm is the length he said the slides are(27 9/16) that's all

I have used these slides to replace damaged slides in a box . maybe not original but they worked just dandy

 

[zkling]

just trying to help. I searched euro full extension drawer slides in a company that I know supplies , 700 mm is the length he said the slides are(27 9/16) that's all

I have used these slides to replace damaged slides in a box . maybe not original but they worked just dandy

That is a completely different slide design than what the OP's box has. IMHO, the original single ball bearing slide design is superior. It is the same style lists, vidmar and the like use.

 

[CWP1616L]

just trying to help. I searched euro full extension drawer slides in a company that I know supplies , 700 mm is the length he said the slides are(27 9/16) that's all

I have used these slides to replace damaged slides in a box . maybe not original but they worked just dandy

Are they bayonet slides? He needs the bayonets to hook the slides to the box and the drawers. The bayonets also have to be in the same location as the original slides.

 

[Unmarked Bill]

I really would like to use this same type of slide if at all possible, they are a good design, just need new bearings. I couldn't find any company name anywhere on the slides or the box. The five or so drawers that I was able to install with the workable slides are nice and smooth, better with more weight in the drawers.

I really would like to just find out where to get those slides if at all possible.

 

[CWP1616L]

The drawers use the 626z bearings on a threaded shaft (photo,) I guess this is called a "cam follower bearing," but I'm not finding a good source for the bearings mounted on this shaft, and they don't come off it. The same threaded style bearing holds the slides to the inside of the box. So that's four bearings per slide so far. The other four bearings, also 626z (photo,) are staked onto the rails of the sliders

Could you use the threaded shaft bearings in place of the "staked" bearings?

 

[Unmarked Bill]

Could you use the threaded shaft bearings in place of the "staked" bearings?

I was thinking that as well, might need a bit longer threads, though.

 

[sk farmer]

i doubt there is anything wrong with them. take them off, soak them in atf over night and give them a few turns , repeat until they spin free and you should be good for years and years to come.

 

[Unmarked Bill]

I'm pretty sure they're not going to make it, they are in pieces on the floor of the box or missing completely. I definitely wouldn't be putting myself through the headache if they just needed a few spins. Do you know what kind of slides these are or where I can get a good deal on some cam follower bearings? Thanks in advance for any info.

 

[CWP1616L]

Plug in the measurements of that "stud mounted track/cam follower roller bearing" and I'll start looking for it. On yours, the stud has an additional width and diameter directly below the roller; we're going to need those measurements too.

 

[Unmarked Bill]

Well if CWP can make that drawing at 2am I guess the least I can do is get the calipers out.

D: 19mm
C: 6mm
ID of Bearing: 6mm

C1: 3/16" this is the shoulder directly behind the roller, diam of this shoulder is 3/8"
B1: 5/8" this length includes the shoulder and the threaded area, shaft is 1/4-20 threads

 

[Unmarked Bill]

I went ahead and muscled the inner race off one of the threaded studs, hopefully in this new photo you can see the lip that was holding that inner race on. The bearing's ID is 6mm and this stud is 6.25mm, I'm thinking if i file that lip down I can press a new bearing on to stay put? Like zkling suggested earlier before I realized how hopeless it is to replace these runners.

I couldn't figure a way to neatly press the old bearings off (micro bearing splitter?) but I'm hoping I can mutilate them off without ruining the threaded shafts. Now on to the riveted bearings...

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[Bigplum]

Bond the new bearing on the old shaft with bearing fit loctite , everything will have to be very clean for it to work , but once it's on it should be fine

 

[Unmarked Bill]

Thanks, I need a hundred or so of the bearings so once I get those I should be in some kind of business.

 

[Cornwelltoolman]

that's not a Cornwell box have you tried drawerslides.com

 

[Unmarked Bill]

Weird that it has Cornwell casters and the shadow of a Cornwell badge on the drawer. It does look a lot different than the ones I can find online. Thanks

 

[reptilezs]

Bond the new bearing on the old shaft with bearing fit loctite , everything will have to be very clean for it to work , but once it's on it should be fine

yup remount the new bearing with retaining compound. we use loctite 609 a lot for press fits

 

[Unmarked Bill]

This thing is still killing me! There's about 10 thousandths of interference on the studs that are staked onto the sliders, takes so much pressure to press a bearing on that the stud breaks off the slider. Those cam followers take a 1/8" hex to thread out, once the new bearing is pressed on the shaft I have to use a 5/64" hex. I really thought the hard part was going to be coming up with money for bearings, but the fight goes on.

 

[zkling]

Do you have a lot of $ invested into this thing already? I'm starting to wonder if it is going to be worth the effort or just a money/time pit. Do you have any pics of it completely together? Total number of drawers? Have you found any markings on the box or components to indicate manufacture of any of the parts?

How about, can you take a end picture of one of the drawer pulls so we can see a cross sectional view of the extrusion? I really doubt that a box that well put together is a one off.

 

[Unmarked Bill]

I have been wondering the same thing but I'm not giving up on it yet. It definitely shows the shadow of a Cornwell emblem on the drawer, and the wheels are Cornwell, but they won't claim it I guess. Might have to take this whole thing on Maury and get some tests done haha...

Here's a couple more flicks, is this the view you were asking about?

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[Unmarked Bill]

It's so irritating how you can't organize a garage with this thing all taken apart! I could just mock it up with the bad bearings just to keep it all in one place but I don't want to do this too many times.

 

[zkling]

How many total drawers does it have?

 

[Unmarked Bill]

Fourteen drawers. What are you thinking?

 

[Unmarked Bill]

Well, in an unforseen twist, I quit trying to outsmart this thing and got to work. There was too much interference to press the bearings on with the tools I have so I took the posts down with a dremel and used red Loctite to hold bearings on. Still some interference on almost all the stakes but the loctite, if it takes, will be whats holding the bearings on. Got a ways more to go but feeling optimistic at the moment.