What is needle bearing grease? Available substitutes?

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Author Topic:   What is needle bearing grease? Available substitutes?

greyg8r posted 12-19-2003 07:23 PM ET (US)
Hi,
I am overhauling my 1982 Evinrude on my 1974 Katama. OMC refers to the use of "needle bearing grease", but I can't find this locally? Is there a substitute for it?
Thanks in advance.
Richard
kglinz posted 12-19-2003 07:44 PM ET (US)
You can use "Lubriplate Assembly grease". OMC used to sell a grease, but I don't think they have it any longer.... http://www.lubriplate.com/Store/03494.asp
WSTEFFENS posted 12-19-2003 08:35 PM ET (US)
Gray:
Don't know your first name. The Lubripalte material is sufficient.
When assembeling roller crank/rod assemblies the grease is used as a glue. It washes off on first fire. It really isn't important what the make up is. Similar to silver plating the moving parts in a WW2 aircraft engine, when shipped dry from the mfg plant. The silver was the lube when the engine was fired for the first time. It wiped off and the oil took over.
Best
WLS
greyg8r posted 12-19-2003 09:32 PM ET (US)
WL,
Thanks. That's actually what I thought. Because roller bearings are extremely difficult to keep in place long enough to tighten, I assumed that the grease was just a glue and would be replaced by the oil.
By the way, I see you are a Mech Eng. I considered a ME major as an undergraduate before going in the natural sciences.
Richard
HAPPYJIM posted 12-19-2003 09:38 PM ET (US)
Important point to follow
Make sure your work space is absolutely clean when assembling the needle bearings.
Just a speck of dirt or debris on those bearings will cause them to slide rather than roll....causing a flat spot and failure of the bearing.
WSTEFFENS posted 12-21-2003 12:22 PM ET (US)
Gray:
Jim brings up a very inportant point. Your work surface should be squeeky clean.
Use new newspaper as the surface you work on. Do not (resist the urge) use shop towles, paper towles, etc, etc, etc, as they will track in "lint" to the assembly and cause failure. This work surface is also good for precision hyd assembly such as vlave bodies for automatic transmissions ect.
By the way the needle packs should come on a packing strip that will help you with assembly and eliminate the need to do the "count". If the bearing packs are not run in cages, do not get them out of order. This is because the needles may not be the same diameter. Example: when building "ball nuts" for machine tool lead screws, steering gears etc, the balls do not run in cages that space them. The balls are slightly different in diameter. Every other ball in the recirculation system is slightly smaller than the ball upstream & down stream: (usually not more than .001"). This allows them to rotate freely without binding with the other balls.
Don't be scared, just pay attention to detail and you will do fine!
Best
WLS
greyg8r posted 12-22-2003 06:05 PM ET (US)
WLS,
Excellent advice with the newspapers.
Also, sounds like I need to get out my micrometer to measure each bearing.
Richard
Al_A_Buy posted 12-27-2003 08:51 PM ET (US)
grey - Watched my mechanic rebuilding many motors any he used Vaseline to retain the roller bearings.
Al W.
Steve Leone posted 12-28-2003 08:54 PM ET (US)
Bar` fat. Go kill a Bar`. Make sure its freezing outside so it don`t run on ya (the fat that is). Be carefull not to git any hair on it or it`ll wrap around the crank and choke the motor. If ya drop or lose one you can use one a the bar`s teeth. Just file it down a bit.
greyg8r posted 12-29-2003 08:37 PM ET (US)
Steve,
Let me see if I have my facts straight:
1. Flight to Alaska during the bear hunting season: $600
2. Hunting guide service: $2500
3. Camping gear: $500
Having an overhauled 90 Rude: Priceless!

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Author	Topic: What is needle bearing grease? Available substitutes?
greyg8r	posted 12-19-2003 07:23 PM ET (US) Hi, I am overhauling my 1982 Evinrude on my 1974 Katama. OMC refers to the use of "needle bearing grease", but I can't find this locally? Is there a substitute for it? Thanks in advance. Richard
kglinz	posted 12-19-2003 07:44 PM ET (US) You can use "Lubriplate Assembly grease". OMC used to sell a grease, but I don't think they have it any longer.... http://www.lubriplate.com/Store/03494.asp
WSTEFFENS	posted 12-19-2003 08:35 PM ET (US) Gray: Don't know your first name. The Lubripalte material is sufficient. When assembeling roller crank/rod assemblies the grease is used as a glue. It washes off on first fire. It really isn't important what the make up is. Similar to silver plating the moving parts in a WW2 aircraft engine, when shipped dry from the mfg plant. The silver was the lube when the engine was fired for the first time. It wiped off and the oil took over. Best WLS
greyg8r	posted 12-19-2003 09:32 PM ET (US) WL, Thanks. That's actually what I thought. Because roller bearings are extremely difficult to keep in place long enough to tighten, I assumed that the grease was just a glue and would be replaced by the oil. By the way, I see you are a Mech Eng. I considered a ME major as an undergraduate before going in the natural sciences. Richard
HAPPYJIM	posted 12-19-2003 09:38 PM ET (US) Important point to follow Make sure your work space is absolutely clean when assembling the needle bearings. Just a speck of dirt or debris on those bearings will cause them to slide rather than roll....causing a flat spot and failure of the bearing.
WSTEFFENS	posted 12-21-2003 12:22 PM ET (US) Gray: Jim brings up a very inportant point. Your work surface should be squeeky clean. Use new newspaper as the surface you work on. Do not (resist the urge) use shop towles, paper towles, etc, etc, etc, as they will track in "lint" to the assembly and cause failure. This work surface is also good for precision hyd assembly such as vlave bodies for automatic transmissions ect. By the way the needle packs should come on a packing strip that will help you with assembly and eliminate the need to do the "count". If the bearing packs are not run in cages, do not get them out of order. This is because the needles may not be the same diameter. Example: when building "ball nuts" for machine tool lead screws, steering gears etc, the balls do not run in cages that space them. The balls are slightly different in diameter. Every other ball in the recirculation system is slightly smaller than the ball upstream & down stream: (usually not more than .001"). This allows them to rotate freely without binding with the other balls. Don't be scared, just pay attention to detail and you will do fine! Best WLS
greyg8r	posted 12-22-2003 06:05 PM ET (US) WLS, Excellent advice with the newspapers. Also, sounds like I need to get out my micrometer to measure each bearing. Richard
Al_A_Buy	posted 12-27-2003 08:51 PM ET (US) grey - Watched my mechanic rebuilding many motors any he used Vaseline to retain the roller bearings. Al W.
Steve Leone	posted 12-28-2003 08:54 PM ET (US) Bar` fat. Go kill a Bar`. Make sure its freezing outside so it don`t run on ya (the fat that is). Be carefull not to git any hair on it or it`ll wrap around the crank and choke the motor. If ya drop or lose one you can use one a the bar`s teeth. Just file it down a bit.
greyg8r	posted 12-29-2003 08:37 PM ET (US) Steve, Let me see if I have my facts straight: 1. Flight to Alaska during the bear hunting season: $600 2. Hunting guide service: $2500 3. Camping gear: $500 Having an overhauled 90 Rude: Priceless!