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Thread: Trailer bearings and axles

  1. #11
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    Common practice has for many years been to use the larger inner diameter Ford bearings on the larger diameter axles. I can recall when using Ford bearings for their extra load carrying was a relatively new idea.
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  2. #12
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    It has probably just become standard practice because there isn't a lot of value in having a 1.5t axle with 750kg bearings.

    Mind you, when you see the bending in a small axle that is loaded up, the 45mm axle will be good news for your tyres!
    Cheers
    Slunnie


    ~ Discovery II "Storm" ~ ~ Series IIa 6cyl ute ~ ~ Series II V8 ute ~

  3. #13
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    interesting info.
    Does anybody know if axles are high tensile or mild steel?
    My trailer has had a bend in its 39 mm axle for a few years now, been meaning to try and straiten or replace it for the past 2 years.

  4. #14
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    Pull it out and give it a good smack with a 14lb hammer, it will most likely bend like butter
    cheers
    blaze

  5. #15
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    Quote Originally Posted by Albert View Post
    interesting info.
    Does anybody know if axles are high tensile or mild steel?
    My trailer has had a bend in its 39 mm axle for a few years now, been meaning to try and straiten or replace it for the past 2 years.
    Almost certainly mild steel. I replaced a round axle today due to catastrophic bearing failure and all the fittings were just welded to the axle. A 5 or 10 ton hydraulic jack, some decent chains and a hunk of steel beam should suffice to straighten the average round axle.

  6. #16
    alien's Avatar
    alien is offline A Keeper of the TGO Silver Subscriber
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    Quote Originally Posted by Homestar View Post
    Looking online to see what load rating the LM (Holden) bearings are that are on my van. Different sites say different things - ranging from 750 to 1000Kg a set (either of these is fine, the van has twin axles and weighs around 1,300Kg) but the interesting this is they all say the Holden bearings are for 39mm round or 40mm square axles. Everything I've read says that the SL (Ford) bearings suit the 45mm square axle and have a higher load rating.

    All happy with that - BUT - I have LM bearings on a 45mm square axle.... 😁

    Whilst I'm satisfied the bearings will do what is required of them, I am wondering if anyone else actually knows if the 45mm square axles were made standard to suit the LM bearings...

    Even the guy at the traiker place said a 45mm axle has SL bearings and I struggled to get him to sell me the LM sets after telling him what I had.

    Just a bit confused, (not concerned)
    Itís been a while since you asked but maybe get a second opinion, one of our local engineers has been building trailers for years and supplying parts and kits also.
    My boss did his apprenticeship there and we still use them for work related stuff.
    Welcome to Marshall Engineering, worst case is a wasted phone call.
    Cheers, Kyle



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  7. #17
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    Jul 2008
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    Banana Qld
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    Thanks guys,
    my plan is to replace 39 mm with a 45 mm round.
    Press and weld on some flanges and bolt on some LR stubs including brakes and put some semi decent springs on it.
    Its only a light duty trailer but I load it up on the farm

  8. #18
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    Quote Originally Posted by Albert View Post
    Thanks guys,
    my plan is to replace 39 mm with a 45 mm round.
    Press and weld on some flanges and bolt on some LR stubs including brakes and put some semi decent springs on it.
    Its only a light duty trailer but I load it up on the farm
    Are you fitting drums or disc? And off which car landy?? Override hydraulic???

    I build an axle a few years ago running defender stubs, discs and calipers.....but I wen electric over hydraulic actuator. When the flanges were welded on they were than put in a lathe and machined parallel. Stubs from a Salisbury are easiest to mount.

    2000 110 Hardtop

  9. #19
    Join Date
    Jul 2008
    Location
    Banana Qld
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    214
    I bent my county Sals a while ago so I have a set of drum brakes spare.
    Will go hyd override.
    Plan is to press on some machined 1/2" plates and weld. I cant fit it back on the lathe after they are welded on so i will have to be happy the way it comes out. will be better than my bent axle that i have now.
    I have a set of Ford ranger springs to put them on.
    I dont need brakes but if i have them, why not put them on? (Would have come in handy last weekend on a steep mates farm)

    After reading Weeds post, im wondering if I would be better off with discs. I have a set, would have to fab up a set of calliper brackets to mount. Mmm need a thinking beer to ponder...
    As always, happy to take advice or tips

  10. #20
    goingbush's Avatar
    goingbush is offline TopicToaster Silver Subscriber
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    Spinny Things have a good catalogue I use a a reference for trailer parts

    download the price list , includes Technical Guide

    Spinny Things

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