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Author Topic: Sprocket / Rotor hub sealing surface diameters  (Read 2588 times)

Offline Tador

Sprocket / Rotor hub sealing surface diameters
« on: April 11, 2015, 06:43:19 PM »
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[TD]I bought a new bearing carrier for my R (1987), and the outer seals don't touch the seal surfaces on the sprocket hub / rotor hub. Was there different diameters over the years and someone has a different axle in it?[/TD]
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If I know what the diameter is supposed to be I'll just turn it down and machine a ring the correct size and press it on. So... if anyone has a fresh hub laying around that they can mic the surface of that'd be awesome![/TD]
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Offline Pumashine

Sprocket / Rotor hub sealing surface diameters
« Reply #1 on: April 11, 2015, 07:50:50 PM »
Quote from: Tador;52985


If I know what the diameter is supposed to be I'll just turn it down and machine a ring the correct size and press it on. So... if anyone has a fresh hub laying around that they can mic the surface of that'd be awesome!
Sprocket hub looks to be 52mm or 2.047" in diameter
Puma 408, Puma 431,  Pilot 412, Puma 431, Mini-tooth 486 Trx450r
89mm  Mini tooth Shearer in frame pipe chromed! With Cascade  Q

Offline Tador

Sprocket / Rotor hub sealing surface diameters
« Reply #2 on: April 12, 2015, 10:52:05 AM »
That is bizzar.  Mine mics out at around 1.875.  Thanks much, I'll machine a ring for it.

Offline Langbolt

Sprocket / Rotor hub sealing surface diameters
« Reply #3 on: April 13, 2015, 01:07:25 PM »
What Brake Rotor Hub are you using ??? 250R & 450R are the same at 52mm Diameter. Give us a pic if you can. :)

Offline Tador

Sprocket / Rotor hub sealing surface diameters
« Reply #4 on: April 14, 2015, 10:52:16 AM »
I honestly have no idea. It has an adjustable axle in it, but I'm assuming it must be from something else... 3 wheeler maybe? Who knows. I'll try to grab a pic on my lunch break, it's in the back of my Jeep.

 

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