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REMINDER - trailer bearings

  1. #26
    Lifer Punjistick's Avatar
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    Re: REMINDER - trailer bearings

    Not saying it's correct, but I'm seeing online that too much grease actually can cause more heat and is a waste. I get the waste part maybe but not sure about the heat. Seems like boat trailers back it full since they don't want water in there.

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  2. #27
    Lifer
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    Re: REMINDER - trailer bearings

    Money must be really tight if they are worrying about wasting a little grease on their trailer bearings.

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  3. #28
    Lifer Falko's Avatar
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    Re: REMINDER - trailer bearings

    Pack'em. As the bearings get warm, the grease gets less viscous and doesn't stay in place well. You want enough to move around in there and keep things, well, greasy.

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  4. #29
    Posting Freak Tas's Avatar
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    Re: REMINDER - trailer bearings

    I've been thinking about this same thing. I bought the bearing covers with the grease fitting and there seems to be a lot of space between the bearing cover and bearing to pack them full of grease.

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  5. #30
    Lifer Kurlon's Avatar
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    Re: REMINDER - trailer bearings

    Bearing buddies work by having a reserve of grease to keep pushing onto the front bearing, keeping it under positive pressure so water can't work in. That also means that over time it's constantly pushing grease past the seal and loosing some, hence the extra capacity. Note, bearing buddies also don't do a thing for rear bearings on most setups.

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  6. #31
    Lifer Rosco61's Avatar
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    Re: REMINDER - trailer bearings

    Just you tube servicing trailer bearings. There are step by step destructions on how to do this. It's fundamental mechanics.
    A few simple tools and a grease gun.
    Have fun.

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  7. #32
    Super Moderator TheIglu's Avatar
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    Re: REMINDER - trailer bearings

    Quote Originally Posted by Kurlon View Post
    Bearing buddies work by having a reserve of grease to keep pushing onto the front bearing, keeping it under positive pressure so water can't work in. That also means that over time it's constantly pushing grease past the seal and loosing some, hence the extra capacity. Note, bearing buddies also don't do a thing for rear bearings on most setups.
    You mean inner bearings?

    Unless you have 4 seals per hub or sealed bearings, then grease being pushed through the first bearing should make it's way past to the second. And since there is only one exit present (bearing buddy is the other exit which is now blocked), why wouldn't it make it to the inner bearing?

    My grease gets pushed to the inner seal on my trailers with BB's... Meaning it makes it through both bearings.

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  8. #33
    Lifer Kurlon's Avatar
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    Re: REMINDER - trailer bearings

    Quote Originally Posted by TheIglu View Post
    You mean inner bearings?

    Unless you have 4 seals per hub or sealed bearings, then grease being pushed through the first bearing should make it's way past to the second. And since there is only one exit present (bearing buddy is the other exit which is now blocked), why wouldn't it make it to the inner bearing?

    My grease gets pushed to the inner seal on my trailers with BB's... Meaning it makes it through both bearings.
    I'll have to get bored enough to pull my hubs on my cheapie trailer, I seem to recall grease not making it to the inners worth a damn but I've also stopped caring about that thing so... been quite awhile since I laid eyes on it. My EZ-Lubes actually have grease hitting the inners first, then it pushes to the outers so you can see when you get the system full.

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  9. #34
    Super Moderator TheIglu's Avatar
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    Re: REMINDER - trailer bearings

    I do have a lot of grease coming out of my inner seal, so it's getting to both.

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  10. #35
    Posting Freak Tas's Avatar
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    Re: REMINDER - trailer bearings

    Thanks for the additional insight.....will be greasing them this week.

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  11. #36
    Lifer Pittenger5's Avatar
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    Re: REMINDER - trailer bearings

    Anyone else hard right now?

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  12. #37
    Lifer Falko's Avatar
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    Re: REMINDER - trailer bearings

    I have oil bath hubs on my big trailer, PIA....

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  13. #38
    Lifer capitalcrew's Avatar
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    Re: REMINDER - trailer bearings

    Run em till they lock up, then just back up a bit to get the wheel turning and drive home on the axle. No big deal.

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  14. #39
    Dictionary quoting knob stoinkythepig's Avatar
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    Re: REMINDER - trailer bearings

    You don't need to fill all the gaps in the hub cavity with grease, just pack the bearings properly, set the pre-load properly, seal 'em up and you are good to go for years. You don't need bearing buddies on a non-boat trailer, they are only there for the sole purpose of preventing water intrusion and were never meant to be used as a means to lube the bearings.

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  15. #40
    Lifer Punjistick's Avatar
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    Re: REMINDER - trailer bearings

    REMINDER - trailer bearings-img_20170516_221151-jpgREMINDER - trailer bearings-img_20170516_221119-jpg

    Let's play spot the bad bearing...

    What are my options for a replacement hub? It's from a Harbor Freight 4x8 trailer, which I think is actually a Haul-Master? 4 lug, 12" wheel.

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  16. #41
    Dictionary quoting knob stoinkythepig's Avatar
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    Re: REMINDER - trailer bearings

    Quote Originally Posted by Punjistick View Post
    REMINDER - trailer bearings-img_20170516_221151-jpgREMINDER - trailer bearings-img_20170516_221119-jpg

    Let's play spot the bad bearing...

    What are my options for a replacement hub? It's from a Harbor Freight 4x8 trailer, which I think is actually a Haul-Master? 4 lug, 12" wheel.
    Just replace the bearings, seal and races, don't need a new hub unless you can find one cheaper than bearings, seal and races.

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  17. #42
    Lifer capitalcrew's Avatar
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    Re: REMINDER - trailer bearings

    Yeah man just drive out that outer race from the back side and drive the new one in and you're good to go.

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  18. #43
    Dictionary quoting knob stoinkythepig's Avatar
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    Re: REMINDER - trailer bearings

    Quote Originally Posted by Punjistick View Post
    REMINDER - trailer bearings-img_20170516_221151-jpgREMINDER - trailer bearings-img_20170516_221119-jpg

    Let's play spot the bad bearing...

    What are my options for a replacement hub? It's from a Harbor Freight 4x8 trailer, which I think is actually a Haul-Master? 4 lug, 12" wheel.
    If you are ever in the Raymond NH area, I'd be happy to knock out those races and press new ones in, I have an arbor press and it's a <5 minute job.

    Edited to add: That offer extends to anyone on here, BTW.

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  19. #44
    Super Moderator TheIglu's Avatar
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    Re: REMINDER - trailer bearings

    Alex, I got a spare HF trailer, nearly brand new if you end up in a pinch. Might be cheaper to just replace the trailer, lol.

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  20. #45
    Lifer Punjistick's Avatar
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    Re: REMINDER - trailer bearings

    Thanks guys. O'Reilly Auto had replacement bearings and I rented a puller and driver set. Hopefully that's enough to get it back on the road. I sure am glad I'm doing this at home, in a garage with lots of light, and not on the side of the road next month!

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  21. #46
    Super Moderator TheIglu's Avatar
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    Re: REMINDER - trailer bearings

    Puller and driver set? You mean a long screwdriver and the old races?

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  22. #47
    Dictionary quoting knob stoinkythepig's Avatar
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    Re: REMINDER - trailer bearings

    Quote Originally Posted by Punjistick View Post
    Thanks guys. O'Reilly Auto had replacement bearings and I rented a puller and driver set. Hopefully that's enough to get it back on the road. I sure am glad I'm doing this at home, in a garage with lots of light, and not on the side of the road next month!
    A puller probably won't help you much, there's not much of a lip on the back of the races to get a purchase on with a puller. The best tool, IMO, is a long cold chisel with the blade ground to a flat face. A short cold chisel will work, but will likely result in busted knuckles. The long one will let you really swing the hammer with gusto and pop those races out in 3 or 4 hits, alternating from side to side. I have a Stanley Fat Max 1" chisel that's 12" long and works perfectly for this endeavor. I bought it at Lowes. Can't seem to paste a link here, but search lowes for "stanley fat max 1"" It's 9 bucks.

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    Last edited by stoinkythepig; 05-18-17 at 07:59 AM.

  23. #48
    Lifer Punjistick's Avatar
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    Re: REMINDER - trailer bearings

    Yeah I don't know why I thought I could use a 3 jaw puller. I got the jaw to grab but had nothing to pull against. I ended up using a piece of flat rectangular aluminum bar stock and a hammer. It popped right out easily. Thanks for all the help. Trailer is back together and I plan to take it out on a shake-down run Saturday.

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  24. #49
    Satans Donkey Uncle Snake's Avatar
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    Re: REMINDER - trailer bearings

    A couple thoughts from this weekends trailer maintenance. This is all relative to the HF folding trailer but probably good to keep in mind. Be careful when using the grease gun if the tire is off the ground on the side that you're working as if the wheel rotates with the grease gun on the grease fitting it can shear the fitting in half. Also, if your tires are more than 5 years old check them for cracking. Also a good time to check all of the bulbs and keep a couple spares in your track tool box.

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  25. #50
    xxaarraa
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    Re: REMINDER - trailer bearings

    This thread prompted me to grease my trailer bearings today, good karma to OP.

    I recently got this "lock n lube" grease gun attachment, and highly recommend it. Man it makes fitting and unfitting the gun/hose on the zerk so much easier.

    Amazon.com: LockNLube Grease Gun Coupler - Zerk Grease Coupler Fitting Tip - Easy Lock-on, Clip-off - Stays on - Grease goes in, not on the machine: Automotive

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