RE: SER1 Bramber Trailer - Sorry no LR content

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HI Nick,

I checked the SKF part number again and these are in fact deep groove ball 
bearings. Because of time contraints I think I will leave the seals on for 
this trip as I am not going to submerge the wheels in water. But, I shall 
remove them when I get back.

Cheers

Jeremy


From: "Nick Condon" <ncondon@xxxxxxxx.xx.xx>
Reply-To: series1@xxxxxxxxx.xxx
To: <series1@xxxxxxxxx.xxx>
Subject: RE: SER1 Bramber Trailer -  Sorry no LR content
Date: Fri, 23 Jul 2004 00:45:27 +0100

Just for completeness it should be pointed out that the rear wheel bearings
on the semi-floating halfshaft Land Rovers are all sealed.

Unless the duty is very exacting it does not matter if the bearings are
sealed or packed with grease.

However boat trailers tend to get water in the bearings because the bearings
are hot after a run and are then plunged into cold water as the boat is
launched. The cooling of the internal air space pulls water past the seals
which in any case are designed to keep grease in and not to keep water out.

I would agree that they are best fitted so that grease can be pumped in
(Calcium based water resistant type) to push out water and contaminated
lubricant.

I was worried about the issue of changing from (presumably deep groove) ball
bearings to rollers. Normally you cannot swap roller bearings for ball
bearings - the sizes are the same but the load carrying capacities are very
different.

Pure rollers do not have any side load carrying capacity whilst ball
bearings do. It would be a pity if the wheels fell off the trailer going
round a corner.

Nick.


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