Gorton 265 d bit grinder overhaul

[steamer]

Did a little checking, and the motor bearings are fine.   The spindle bearings are pretty noisy.    So a not exhaustive search didn't turn up what these bearings are.   I'm not desperate at the moment, and i'll be using it as is.  but Id like to change the spindle bearings out before I make up some tooling.   First attachment to make is a collet mounted lathe tool holder.

If someone has a line on what is in a 265-6 grinder spindle for bearings  I'd appreciate it.    The manual implies it's a duplex pair at the nose and a deep groove conrad at the back.   

Dave

[steamer]

cross section in the back of the manual

[steamer]

Meanwhile     The task light for the grinder just showed up!   

[john mills]

those will be a a pair of supper precision angular contact ball they will come as duplex pair the single would be a super precision deep groove .i just replaced the ones in my mill it has two pairs.
john

[steamer]

those will be a a pair of supper precision angular contact ball they will come as duplex pair the single would be a super precision deep groove .i just replaced the ones in my mill it has two pairs.
john

Yes I suspect ABEC 7 or better face to face based on the illustration.    Looking for a bearing number.....

Dave

[Dave Otto]

When I went through my Deckel SO I purchased new bearings from ARTCO, they seem to be much less sophisticated than the Gorton.
Probably plenty good for anything I will ever do.
https://www.artcotools.com/deckel-grinder-part-model-so-spindle-bearings.html

Dave

[steamer]

Thanks Dave

If you think about it,  the end face is the primary face for grinding on the OD...at least on the Gorton...What were the bores of those bearings?

I'm told the Gorton's are 17mm  but I dont know yet

Dave

[Dave Otto]

17 ID 30 OD 7mm wide, at least that is what I'm finding on the NET. The DIN 625 seems to point to a deep groove high speed bearing that can take both redial and axial forces.
I don't think that I saved the old ones.

Dave

[steamer]

17 ID 30 OD 7mm wide, at least that is what I'm finding on the NET. The DIN 625 seems to point to a deep groove high speed bearing that can take both redial and axial forces.
I don't think that I saved the old ones.

Dave

No worries man!   I flooded the spindle oil and let it run for a while and it quieted down significantly.....and it seems to grind alright..It needs bearings but not real bad....so I'll sit tight and use it till it's a problem.    I have enough projects going on at the moment!

Dave

[Dave Otto]

I did find the originals and the dimensions are correct, the Deckel only has two bearings on the spindle, one at each end. The other one is 12 ID 28 OD and 8mm wide.

Dave

[steamer]

I did find the originals and the dimensions are correct, the Deckel only has two bearings on the spindle, one at each end. The other one is 12 ID 28 OD and 8mm wide.

Dave

Thanks Dave!!!   Yeah    Probably this winter coming....I'll tear into it.    I want to make a lathe tool holder that will fit in the 4 NS 5/8 collet  and let me grind side relief as well as top and front rake.   should be doable without getting too complicated.....I have something in my head that I think will work and still let me index every 90 degrees....

Dave

[steamer]

And thanks for the link!    Northern Bearing is local, but I need to get to the counter with them....I'll check out the bearings with the link......

Once I know what they are!.... LOL

Dave