Removing bearing cone

Hi, All,

R+R bearings on Dearborn 10-80 plow. Disassembly not too bad between heat and a puller and a BFH. The plow disc spindle is held in place by two roller bearings, one on each side of the frame. The two bearings are different sizes, no prob (tho I need the bearing sizes -CNH site not helpful here "call dealer for information"). Problem is, I can"t drive out the cup for the larger bearing. Every other time I have been in this situation, there a little hole or a removable zero or some way to bang the thing out. Not this time.

I started to attack it with a Dremel tool and a little grinding wheel to try to thin down a section hat could then buckle. What"s the "riight" way to do this?

Thanks!
 
(quoted from post at 03:42:05 03/07/13) Hi, All,

R+R bearings on Dearborn 10-80 plow. Disassembly not too bad between heat and a puller and a BFH. The plow disc spindle is held in place by two roller bearings, one on each side of the frame. The two bearings are different sizes, no prob (tho I need the bearing sizes -CNH site not helpful here "call dealer for information"). Problem is, I can"t drive out the cup for the larger bearing. Every other time I have been in this situation, there a little hole or a removable zero or some way to bang the thing out. Not this time.

I started to attack it with a Dremel tool and a little grinding wheel to try to thin down a section hat could then buckle. What"s the "riight" way to do this?

Thanks!

Weld a bead around the inside of the cup. As it cools it will shrink and lift right out.

weldbrngcup.jpg
 
If you have access to a welder, weld a bead around the inside of the cup, and allow it to cool. Bearing will shrink and drop out of hub.

Inner cup = CNH 103130 = SKF BR33462 = Timken 33462

Inner cone = CNH 103128 = SKF BR33262 = Timken 33262

Outer cup = CNH 103131 = SKF BR46368 = Timken 46368

Outer cone = CNH 103129 = SKF BR46162 = Timken 46162
 
I don't have the (easy) ability to lay down a bead. I bought a
stick welder but am waiting for the electrician to hook up a 50
amp service.
 
got a dryer or stove? :)

the amps you need to lay a bead that will shrink a race are low.. you don't want lots of penetration on this. I use 6013 and low amps.. just enough to burn the rod..
 
@Sounder: yes, but... the boss may not enjoy the smoke plume from the welder in the kitchen..... I guess I can run a LOOONG dryer cord. :)
 
for a temp 3 wire hookup and low amps.. a piece of 10-2 will make a welder run off a dryer plug ;)

I bought my welder a week before I had a welder plug put in my shop.

I neede dit to repair my 15' batwing mower.. the wing FELL OFF!

I parked it in the driveway near the garage door, and rub-goldberg'ed a 15$ roll of 10-2 to the dryer outlet and my welder using a lil hardware to make sure the wires didn't unplug / safety. etc. was welding for 15 minutes. just had to put a stop plate on to hold a hinge pin in, and re-weld the forward wing hinge.

worked fine.. :)

wife did wonder why there was a cable runing from behind the dryer out the door into the garage and out the garage door :)
 
do shut the breaker off while making this miracle of NEC code breaking happen.. ;)

and be safe!!!!

I'm not responsible if you do it wrong and something bad happens. :)
 
(quoted from post at 13:38:45 03/07/13) :) love it. I actually do have a roll of 10-2 lying around, i think....

I used some #10 SJ cord to make a HD extension cord for my welder years ago. Put a dryer plug on one end and a dryer receptacle on the other. The welder is now in the shop on it's own circuit with 50 ft of more of welding lead on it but I still use it from time to time if I want to get the box outside the overhead doors. Heck - it might even pass NEC muster......

TOH
 
Well, I waited until my wife was out of the house and I just threw a 220 plug on the Lincoln buzz box and plugged it into the 220 that was closest to the driveway. The wires stretched out into the driveway. barely.

Anyway, I laid down a grotesque chicken-poop bead and it is cooling now. I never used an arc welder before (yes, I used a helmet and goggles and gloves and and and...)

We'll see if I have to do it again.
 
if it made any penetration at all.. you are probably fine. on races.. I use low amps and a lo pen reod..
 

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