Author Topic: Sprocket / Rotor hub sealing surface diameters (Read 2590 times)

Tador · « **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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Pumashine · « **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

Tador · « **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.

Langbolt · « **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.

Tador · « **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.