BigJimnyMeet (North) 2024 (12 Jan 2024)

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Weird King Pin Bearings with a Seal ?

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X8GGY
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12 Jun 2019 16:59 #209893 by X8GGY

Weird King Pin Bearings with a Seal ? was created by X8GGY

Stripping the front axle for the buggy project today (more photos on the build thread later) and came across these weird looking bearings on one side only? -

The wider side of the race has what could only be described as a builtin washer with a rubber seal on it?!

Anyone seen these before? / offer an explanation?

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Lambert
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12 Jun 2019 17:22 #209894 by Lambert

Replied by Lambert on topic Weird King Pin Bearings with a Seal ?

No, but they seem to be in fairly good shape?

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stiffsteve204me
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12 Jun 2019 19:12 #209903 by stiffsteve204me

Replied by stiffsteve204me on topic Weird King Pin Bearings with a Seal ?

A sealed, tapered, roller bearing.

www.bearing-king.co.uk/bearing/lm48548l-...x25625x071-inch/3622

Different from yours, but the same idea.

Steve.

“He that strikes the venison first shall be the lord o' the feast.” — Shakespeare, King Lear.

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X8GGY
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12 Jun 2019 19:48 #209904 by X8GGY

Replied by X8GGY on topic Weird King Pin Bearings with a Seal ?

Hmmm, do you think someone used them as they were the right size then?

I can't fathom the application of the seal within the axle ball cup? It looks like an oil seal, but there shouldn't be any oil in the ball cup? Only grease?

Baffled...

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mlines
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13 Jun 2019 09:05 #209912 by mlines

Replied by mlines on topic Weird King Pin Bearings with a Seal ?

Perhaps these are sealing on the "outside" so could be an attempt to keep water out rather than oil in. This has two misconceptions however:

1. The water should be kept out by proper application of a suitable sealant when fitting the kingpin, so not needed.
2. Keeping oil in, there should be no oil there (halfshaft oil seal) so why do you need to keep it in

I seem to recall another parts supplier (I genuinely cannot remember their name) fanfaring the introduction of these and trying to think what benefit they would actually achieve?

Martin

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X8GGY
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13 Jun 2019 19:28 #209923 by X8GGY

Replied by X8GGY on topic Weird King Pin Bearings with a Seal ?

"Snake Oil" then?

Probably that "Parasource" fella back in the day?

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Scimike
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13 Jun 2019 21:25 - 13 Jun 2019 21:53 #209925 by Scimike

Replied by Scimike on topic Weird King Pin Bearings with a Seal ?

Certainly within the scope of the Jimny Kingpin assembly then yes "snake oil" as others have said.

Any water that may enter the swivel housing is going to head south to the lower kingpin bearing. Even with that seal water will still go down the centre pin hole and fill the bearing, assuming the kingpin is sealed only at the bottom as per the instructions.

But then it does no harm.

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Last edit: 13 Jun 2019 21:53 by Scimike.

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BigJimnyMeet (North) 2024 (12 Jan 2024)

Weird King Pin Bearings with a Seal ?

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