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Author Topic:   No Grease Hubs
Ferdinando posted 05-22-2002 11:05 PM ET (US)   Profile for Ferdinando   Send Email to Ferdinando  
Has anyone out their used these new greaseless hubs which are filled with
oil instead of grease. The hubs have a see thru plastic cap which shows the oil level at all times. You never have to grease the hubs only change the oil........?????

Thks, Fred

whalerron posted 05-22-2002 11:52 PM ET (US)     Profile for whalerron  Send Email to whalerron     
I have seen those but I wouldn't use them. My issue is that every once in a blue moon, I have come a little too close to a post or a rock with a trailer wheel and I ended up with a scuffed steel dust cup on a trailer hub. If I had been using one of the oil-bath systems, I would have broken the plastic cap. Once that happens, you are S.O.L..


where2 posted 05-23-2002 12:17 PM ET (US)     Profile for where2  Send Email to where2     
The caps are Lexan. Ever try that Home Improvement Store display that has a 2' square sheet of Lexan and a hammer to whack it with. It's pretty tough stuff! I asked a trailer mfg rep about those, and how they were attached. Rather than pressing on, they SCREW on with an O-ring seal. I too feared the thought of losing all the lube in an instant. Atleast grease takes a couple miles to all sling out when you lose the cap.
Guts posted 05-24-2002 08:54 AM ET (US)     Profile for Guts  Send Email to Guts     
I had these on a boat back in the 70s there NFG. buddy bearing & grease the best two cents.
tflyer posted 05-24-2002 09:57 AM ET (US)     Profile for tflyer  Send Email to tflyer     
Hey Guys: You should all go out there and check the "big boys" running up and down the Highways, all of thier trailers are running wheel-bearings that that are in an oil-bath w/ clear sight gauge. I've run them for over 30 years on my heavy-duty pull trailers, there's no other way. I'll install them on my boat trailer when time permits!!!!Tom
Guts posted 05-25-2002 08:12 AM ET (US)     Profile for Guts  Send Email to Guts     
tflyer, put them on wour boat trailer please.
Cryomike posted 03-01-2006 02:37 PM ET (US)     Profile for Cryomike  Send Email to Cryomike     
Oil bath bearings are great for everything except boat trailers.
Water always finds it way into oil. When they heat up and you back trailer into water the heat with the cold of water, cause compartment which has air gap on top of oil to creat a vacuum which sucks water past seal into oil chamber.
Thus water in oil. Grease packed bearings for trailers which get submersed into water for me. Have been racing drag boats for 30 years, never had any problems with grease packed, but have had one problem after another with oil bath type. Changed them to grease. Nice idea, but until they come up with a pressurized system it will not work worth a hoot for boat trailers that actually get put into the water.

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