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Author Topic:   Hub Getting Warm
flint99 posted 05-05-2003 04:27 PM ET (US)   Profile for flint99   Send Email to flint99  
Last Summer had a bearing go out on my trailer and I had to have a new axle manufactored. Put in new bearing and after hauling boat about ten miles I noticed that right hub was consicerably warmer(not hot yet?) than the other which was not warm at all. Not sure what the problem is? Seems to be plenty of grease and I don't thing the nut is too tight. Hauling to South Padre Island in June (7hrs drive) and don't want any problems
Also saw a post about not using bearing buddies with certain bearings as it forces the grease through to the other side and out of the seal. I bought the new bearings at the local Academy store. Any thoughts appreciated.
flint99 posted 05-05-2003 04:31 PM ET (US)     Profile for flint99  Send Email to flint99     
BTW replaced both bearings.
Jimm posted 05-05-2003 05:22 PM ET (US)     Profile for Jimm    
The only thing I can think of is that one is tighter/looser than the other. I take the bearing out, put it back, tighten finger tight, tighten 1/4 turn with channel locks to set bearing, loosen a bit and then finger tight, going back if necessary to align cotter pin hole. Once a year I clean all grease from bearings and closely look for any marks on the needle bearings themselves - if ANY marks - out they go. I then repack using the bearing repacker (Lisle) available at Sears($10.00)
JOHN W MAYO posted 05-05-2003 06:25 PM ET (US)     Profile for JOHN W MAYO  Send Email to JOHN W MAYO     
The buddy bearing seems to work great for me.
I just had a similar problem. I greased the buddy bearing two different times on a 150 mile drive.(I may have not greased it good enought intially. I rechecked and both were then about the same temperature.
If you do need to replace the bearings,....consider having a new hub also already put together. The cost is only $5 more for new hub/bearings/seal/and lug bolts where I bought them, a big surprise, the bearing and seal was $10, the complete assembley was $15. Check your local farm supply store for these and axles....
bsmotril posted 05-06-2003 10:22 AM ET (US)     Profile for bsmotril  Send Email to bsmotril     
Do you have brakes on your trailer? If so, a dragging shoe will make the hub warm. Disc brakes run noticably hotter than drums because there is almost always contact between the rotor and pads. You are supposed to use hub grease rated for disc brakes that melts at a higher temperature.
acseatsri posted 05-07-2003 09:45 PM ET (US)     Profile for acseatsri  Send Email to acseatsri     
An underinflated tire will also cause excessive heat.

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