Drive shaft pinion bearing sleeve, TOO tight?
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Topic author - Posts: 1319
- Joined: Thu Jan 10, 2019 5:47 pm
- First Name: Les
- Last Name: Schubert
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Drive shaft pinion bearing sleeve, TOO tight?
So I have a new pinion roller bearing sleeve and it seems to be too small inside diameter. Seems to measure about .993 id. The drive shaft I have is a nice original and measures about 1.003 diameter. So.010” interference seems WAY to tight. I am thinking about getting the sleeve pin honed.
I’m thinking that.001-.002 interference would be about right (perhaps with a little Loktite for insurance)
I don’t recall having this problem before.
I’m thinking that.001-.002 interference would be about right (perhaps with a little Loktite for insurance)
I don’t recall having this problem before.
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Re: Drive shaft pinion bearing sleeve, TOO tight?
Les
take a look at John Regan's response here: http://www.mtfca.com/discus/messages/25 ... 1330324854
take a look at John Regan's response here: http://www.mtfca.com/discus/messages/25 ... 1330324854
Scott Conger
Tyranny under the guise of law is still Tyranny
NH Full Flow Float Valves
Obsolete carburetor parts manufactured
Tyranny under the guise of law is still Tyranny
NH Full Flow Float Valves
Obsolete carburetor parts manufactured
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Re: Drive shaft pinion bearing sleeve, TOO tight?
I ran into the opposite here recently -- I opened one that was new five years ago that I went to use recently and it was too loose. The finish in the i.d. was poor and was either left turned or it was a fast grind. I have since ordered two new sleeves, both of them consistent in size and a few thou smaller, and with a honed finish with a nice crosshatch, so somewhere along the way they changed their process probably due to having problems holding a consistent size.
Somebody with a crummy driveshaft could probably make good use of that undersized sleeve you have. I wish the one I'm about to do was stripped down so I could check.
Somebody with a crummy driveshaft could probably make good use of that undersized sleeve you have. I wish the one I'm about to do was stripped down so I could check.
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Re: Drive shaft pinion bearing sleeve, TOO tight?
I prefer original for most things, but for this I'll go with John Regan's FP replacement every time.
The inevitable often happens.
1915 Runabout
1923 Touring
1915 Runabout
1923 Touring
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Re: Drive shaft pinion bearing sleeve, TOO tight?
Les
I just reread your post. I didn't realize this was new. Probably missed a grind operation and I'd bet the supplier would gladly replace.
And Steve
I completely agree
I just reread your post. I didn't realize this was new. Probably missed a grind operation and I'd bet the supplier would gladly replace.
And Steve
I completely agree
Scott Conger
Tyranny under the guise of law is still Tyranny
NH Full Flow Float Valves
Obsolete carburetor parts manufactured
Tyranny under the guise of law is still Tyranny
NH Full Flow Float Valves
Obsolete carburetor parts manufactured
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Re: Drive shaft pinion bearing sleeve, TOO tight?
I have installed them by heating up the sleeve and installing it on a cold driveshaft. You need to work fast and be sure to get the keyway lined up right, because once it cools off it will be tight. You will need gloves so you don't burn your hands.
Norm
Norm
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Re: Drive shaft pinion bearing sleeve, TOO tight?
I saved my old sleeve after I removed it to install a FP pinion bearing. I had a short piece of 1" shaft stock (.995" diameter) and I pressed the old sleeve over the shaft. That became my driver to install the new driveshaft bushing. The bushing driver that is sold by the vendors is not too expensive but I already had a shaft on hand and it cost me nothing.
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Re: Drive shaft pinion bearing sleeve, TOO tight?
I used a steel rule to draw lines on both sides of the key way on the drive shaft and the sleeve to make sure they stayed lined up while I drove the sleeve on using a damaged sleeve. Went right on with no issues
Stephen
Stephen