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03 February 2019, 18:27
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#1
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Member
Country: UK - Scotland
Town: Langbank, Renfrewshire
Boat name: -
Make: Avon Adventure 450
Length: 4m +
Engine: 60hp Mariner
Join Date: Jan 2017
Posts: 140
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What bearings?
I've just bought a 4.5m RIB on an Extreme trailer. The bearing say waterproof, but obviously they can't be, so will need maintenance.
Having had a set of (non-waterproof) bearings fail on the motorway recently (different trailer) I'd appreciate some advice, namely:
- How often do I need to replace these bearings?
- Is it easy to do so?
- What parts do I need
- Where do I get them from?
All help appreciated.
Best,
Nick
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03 February 2019, 18:37
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#2
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Member
Join Date: Jun 2010
Posts: 2,934
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1. Mines lasted about 2.5 years, some last a lot more. Just need to check for play or listen for rumble.
2. Need a hydraulic press to push bearings out and in ideally and you need a good torque wrench to tighten one shot nuts to spec.
3. Bearings, circlips, one shot nuts and new caps...DO NOT RE-USE ANYTHING!!! (Mega important!!!!)
4. Trailertek or any decent bearing supplier, take them out then order what you need. You can buy a bearing kit minus caps for about 20 quid per wheel on Amazon, just get caps elsewhere.
If you dont want hassle clyde outboards will do it all for you.
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03 February 2019, 19:05
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#3
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Member
Country: UK - England
Town: Abersoch
Boat name: vanishing point
Make: phantom, Ribtec
Length: 6m +
Engine: 200hp
Join Date: Nov 2014
Posts: 501
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I’ve been changing my un braked trailer bearings every year, I’ve started buying Hub & Bearings kits from eBay complete for approx £30 for a set
You could go direct to extreme trailers
https://www.extrememarine.co.uk/trai...h4qi8ctugnalj1
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03 February 2019, 19:14
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#4
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Member
Country: UK - Scotland
Town: Langbank, Renfrewshire
Boat name: -
Make: Avon Adventure 450
Length: 4m +
Engine: 60hp Mariner
Join Date: Jan 2017
Posts: 140
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Thanks both.
Am I just looking for the usual signs of wear (rumbling, grittiness, wobble, heat) or is there anything else I should keep an eye on?
The loss of grease nipples has flustered me!
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03 February 2019, 19:25
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#5
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Member
Join Date: Jun 2010
Posts: 2,934
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If they are waterproof bearings and not taper rollers then they will last a lot longer.
If you Jack it up you will see if any play, if there is ANY play they are probably shot. You will hear the grumble I'm sure, I certainly could a few weeks ago when one of mine started. Play or grumble get them changed asap, although you are less likely to lose a wheel when these start to rumble compared to taper roller.
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03 February 2019, 19:28
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#6
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Member
Country: UK - England
Town: Abersoch
Boat name: vanishing point
Make: phantom, Ribtec
Length: 6m +
Engine: 200hp
Join Date: Nov 2014
Posts: 501
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Jack the trailer up so you can spin the wheels, see if there is any rumbling or play
For the cost of new bearings etc gives you piece of mind
Also check the wheels and tyres are good and you have at least 1 spare wheel.
I don’t take any chances when towing trailers, we leave our boats on the coast where we have a caravan, so they get dipped in the sea for at least six months then when the summer is over I replace the bearings/hubs before towing back home
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03 February 2019, 19:47
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#7
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Member
Join Date: Jun 2010
Posts: 2,934
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That is just excessive IMO, you can only change waterproof bearings 7x officially then you need new hubs and stub axles is or was the recommended advice from ALKO/SBS 2 years ago, it may have changed.
I have dipped my trailer many times since I bought it new and the parts guy at SBS thinks I was unlucky to ruin a bearing already as they rarely fail this soon. Not changing the caps is usually why they fail early again as it isnt well known those need to be replaced too.
Anyways, whatever makes you feel good is what to do but I only done my rear axle on SBS advice and I'll probably do the front one next year so they are on different replacement cycles.
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03 February 2019, 19:56
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#8
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Member
Country: UK - England
Town: Abersoch
Boat name: vanishing point
Make: phantom, Ribtec
Length: 6m +
Engine: 200hp
Join Date: Nov 2014
Posts: 501
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I don’t use waterproof bearings so therefore I change them yearly
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03 February 2019, 20:02
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#9
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Member
Country: UK - England
Town: Retford
Boat name: Spy-sea-one
Make: Excel 435
Length: 4m +
Engine: Suzuki Outboard/25/4
Join Date: Oct 2011
Posts: 7,532
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I changed my bramber waterproof bearings at 6 years old they weren't rumbling or moving I just did it because I thought I should. Taper bearings I Change every time I jack the trailer up if they rubble as said the full hub is best £30 IMO
I'm a bit OCD about bearings non waterproof as had one fail on the m74 could have lost the boat wheel should have dropped off very lucky
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03 February 2019, 20:05
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#10
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Member
Join Date: Jun 2010
Posts: 2,934
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Quote:
Originally Posted by whiskylee
I don’t use waterproof bearings so therefore I change them yearly
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The OP is talking about waterproof bearings, chalk and cheese.
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03 February 2019, 20:07
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#11
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Member
Country: UK - England
Town: Porchfield
Boat name: Katie
Make: Stingher
Length: 10m +
Engine: Verado 350 x 2
Join Date: Jan 2011
Posts: 697
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A lot of trailer hubs have a grease nipple on, so can be repacked before a run or prior to immersion ( obviously waiting for any heat to dissipate ), massively extends the life of the bearings
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03 February 2019, 20:13
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#12
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Member
Join Date: Jun 2010
Posts: 2,934
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Never seen nor heard of waterproof bearings you can pack, packing them from outside will compromise the seal so doesnt make any sense to me that one?
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03 February 2019, 20:21
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#13
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Member
Country: UK - England
Town: Porchfield
Boat name: Katie
Make: Stingher
Length: 10m +
Engine: Verado 350 x 2
Join Date: Jan 2011
Posts: 697
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Quote:
Originally Posted by Xk59D
Never seen nor heard of waterproof bearings you can pack, packing them from outside will compromise the seal so doesnt make any sense to me that one?
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Never said they were waterproof, I said trailer hubs
https://www.manomano.co.uk/pulley-fo...yABEgIUQfD_BwE
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Fully fledged member of the ‘Bordering negligent and very irresponsible club’.
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03 February 2019, 20:22
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#14
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Member
Join Date: Jun 2010
Posts: 2,934
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The OP is asking about waterproof.....
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03 February 2019, 20:26
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#15
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Member
Country: UK - Scotland
Town: Langbank, Renfrewshire
Boat name: -
Make: Avon Adventure 450
Length: 4m +
Engine: 60hp Mariner
Join Date: Jan 2017
Posts: 140
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How on earth has an argument sprung up about something as boringly prosaic as trailer hub bearings?
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03 February 2019, 20:28
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#16
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Member
Country: UK - England
Town: Porchfield
Boat name: Katie
Make: Stingher
Length: 10m +
Engine: Verado 350 x 2
Join Date: Jan 2011
Posts: 697
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Quote:
Originally Posted by Xk59D
The OP is asking about waterproof.....
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Yes and other posts have mentioned / discussed other options
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Fully fledged member of the ‘Bordering negligent and very irresponsible club’.
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03 February 2019, 20:29
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#17
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Member
Country: UK - England
Town: Porchfield
Boat name: Katie
Make: Stingher
Length: 10m +
Engine: Verado 350 x 2
Join Date: Jan 2011
Posts: 697
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Quote:
Originally Posted by nicksharpe
How on earth has an argument sprung up about something as boringly prosaic as trailer hub bearings?
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This is Xk59D we’re talking about
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Fully fledged member of the ‘Bordering negligent and very irresponsible club’.
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03 February 2019, 20:30
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#18
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Member
Join Date: Jun 2010
Posts: 2,934
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So the option is to replace them with a normal hub with taper? Is that possible?
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03 February 2019, 20:32
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#19
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Member
Join Date: Jun 2010
Posts: 2,934
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Quote:
Originally Posted by Lee argyle
This is Xk59D we’re talking about
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You not got a boat to "board" yet?
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03 February 2019, 20:58
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#20
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Member
Country: UK - Scotland
Town: Denny
Boat name: Highland Bluewater
Length: 6m +
Join Date: Mar 2013
Posts: 1,647
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Looks like a 2007 trailer which could make the bearings 11/12yrs old ?
Even if they are sealed I'd be getting wary about them and for all they'll cost I'd replace them and establish if they are "sealed for life" or taper rollers.
When I ran the unbraked, taper roller hubs I bought full hubs first time then after that I'd just repair the hubs I took off and put them aside as spares and used them for the next swap out. Replaced them at least once a year.
I also wouldn't assume a bearing is ok because it's not "rumbling" when you spin the wheel. I've stripped bearings that weren't rumbling and found them badly rusted and that puts them a couple of hundred miles from failing.
Been there, got the "T" shirt (twice). M9 wheel with hub flew off, A9 Hub collapsed onto the brakes and seized (bearings 6 weeks old with less than a thousand miles on them.)
Just not worth the gamble
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