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Technical Help Forum
Started by cx 500 at 07-10-2010 7:05 AM. Topic has 15 replies.
  
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 07-10-2010, 7:05 AM
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cx 500
Joined on 07-10-2009
Howell, MI
Posts 51
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What is the current wisdom concerning bearing grease? New synthetic type or an older style with moly in it?
Thanks for your thoughts all.
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07-10-2010, 9:21 AM
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Blindstitch
 
Joined on 03-14-2009
Greenfield Wisconsin
Posts 9,863
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I hear a lot about Moly and all I know is when David helped me do my tapered head bearings he had a green pack of a few ounces of grease that he valued as gold.
1979 CX500 Supertanker
ATGATT makes riding a bike like a sled easier.
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07-10-2010, 12:21 PM
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cx 500
Joined on 07-10-2009
Howell, MI
Posts 51
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I'm sorry, was the green stuff moly or was it synthetic? At the local auto parts store I was looking at some different types of grease and noticed that the moly would work at somewhere around 50* F hotter than the synthetic. That said I have no idea how hot bearings get at normal highway speeds, although it can't be anywhere near the max temp of the grease.
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07-10-2010, 12:32 PM
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BillRod
Joined on 11-09-2009
Richton Park, IL 33 miles SW of Chicago
Posts 350
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I can only imagine what kind of temperature the bearing grease has to be exposed to in automobiles with disk brakes. I don't think your steering head bearings would be a problem.
71 years old (April 1939)
Richton Park, Illinois
Just bought 1982 GL500 Naked 13,000 miles
Never worry about theory as long as the machinery does what it is supposed to do.
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07-10-2010, 3:32 PM
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cx 500
Joined on 07-10-2009
Howell, MI
Posts 51
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Oh, didn'y want to cause confusion. I need grease for my wheel bearings. Head bearing would be somewhere around ambient temp. No problem.
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07-11-2010, 12:22 AM
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Shep
Joined on 01-30-2007
UK.2x1980CX500A
Posts 7,647
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07-11-2010, 2:11 AM
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marshallf3
Joined on 01-12-2009
Oklahoma City
Posts 1,542
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So that would mean buying 4 individual bearings? At tht price I may as well get a set for spares.
1979 CX500C
░░░░░░░
96 & 98 GTP, 78 Chevy G30 400V8, 78 Gremlin 304V8, 65 Barracuda 273V8
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07-11-2010, 5:34 AM
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Shep
Joined on 01-30-2007
UK.2x1980CX500A
Posts 7,647
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 marshallf3 wrote: | | So that would mean buying 4 individual bearings? At tht price I may as well get a set for spares. |
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Yes.You need 4.Don't get ripped-off by so called,"Honda" bearings as they all get them from bearing suppliers and they are a common industrial part.They last for years as well if in regular use.Hardly worth trying to service IMHO.
PS
I crack the old ones open and use the ball bearings in things like Metal polish tins the same as a ,"Rattle Can" so I can agitate the polish that settles and cutting compound bottles.
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07-11-2010, 6:38 AM
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cx 500
Joined on 07-10-2009
Howell, MI
Posts 51
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Wow. Thanks Shep! I had no idea that bearings cost so little.
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07-11-2010, 10:59 AM
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marshallf3
Joined on 01-12-2009
Oklahoma City
Posts 1,542
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You may even find those exact bearings locally at a bearing/seal shop, we've got one here that has a ton of them.
From what the guy told me bearings have been pretty standard for ages. When they come up with a certain size & design they keep it, if a redesign of materials/construction comes along they do it without creating new dimensions.
Industry standard I think is the word I'm looking for here, he also commented that bearings have always been metric in size even though they list many of them in inch dimensions. Helps to keep them even more universal.
1979 CX500C
░░░░░░░
96 & 98 GTP, 78 Chevy G30 400V8, 78 Gremlin 304V8, 65 Barracuda 273V8
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07-11-2010, 2:55 PM
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Blindstitch
Joined on 03-14-2009
Greenfield Wisconsin
Posts 9,863
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Damn Shep. Another money saver. But this time I only added it to my ebay watch list. I'm going to see if I can find them locally first. Not that these are unreasonable but why not support the local guy when you can. I have to replace my brake shoes one of these days so I mise well not half ass it.
6302-2RS New Quality Bearing 15x42x13, 6302RS Buy 2 or 4 sold in singles not pairs.
1979 CX500 Supertanker
ATGATT makes riding a bike like a sled easier.
Quick Reference
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07-13-2010, 9:33 AM
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RichNCT
Joined on 03-02-2006
Connecticut, USA
Posts 3,463
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Last year Bro Dave and Ernie were touring in the west, and Dave's ('83?) G'Wing front wheel bearing began to complain in Montana. Local Honda shop had none in stock, but he found the exact same bearings at a lawn mower shop. A few hours later the tour continued. I think they were common to many bikes of that era too.
Refueling on The James Bay Road, 2009
Born to be relatively wild (for a grampa x 3)
GL650I, CX650E, CX650T
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07-13-2010, 1:50 PM
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Bryan
Joined on 02-06-2008
Marion, IN '80 CX D
Posts 312
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Brings back memories. Marshallf3 is right. My first job out of high school was as a draftsman for McGill Manufacturing, a bearing manufacturer in Valparaiso, Indiana. During my two years at McGill there might have been three occasions in which we designed a completely new assembly. The rest of time we made fairly small changes to tolerances and materials of existing designs depending upon the customer's needs and applications.
Looking back it seems both odd and more than a bit scary that an eighteen year old pimply faced non-engineer would be responsible for calculating and entering machining, heat treatment and plating notes for bearing assemblies that were intended to be used in Sikorsky helicopters, F-14 Tomcats and a host of other critical applications. Lawn mowers and bicycles might have made more sense.
1980 CX D Age: 50
Old Coots Indiana Chapter 44
"Indiana Baggers"
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07-13-2010, 1:57 PM
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Doward
Joined on 05-11-2008
Alachua, FL
Posts 814
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So 4 bearings does front and rear wheels?
1978 CX500 motor + 1980 CX500C frame
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07-13-2010, 2:19 PM
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Bryan
Joined on 02-06-2008
Marion, IN '80 CX D
Posts 312
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Yep. 4 total.
1980 CX D Age: 50
Old Coots Indiana Chapter 44
"Indiana Baggers"
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Honda CX500 & G... » CX500 GL500 Tra... » Technical Help ... » Re: Bearing grease
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