Shimano Trinidad 20 A bearing questions ?

Tuna-Sniper

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Oct 26, 2015
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1. Are the 2 spool bearings the same size and what are the dimensions ?
2. Any link to after market bearing and should I get ceramic bearings ?
3. should I get ABEC-5 or ABEC-7 ?

Thanks
 
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Kai

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  • Mar 16, 2004
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    Yes Ceramic is the best of the best. ABEC 3 or 5 is good enough. Higher rating is higher tolerances. Rated for Higher RPM. Downside, salt collects easier in there.

    Check out bocabearings.com fishing reels. I am sure it is listed under fishing reels. Currently down the site.

    Pull bearings, measure with micrometer, or visually see if its the same. That should put you close enough with the mm.

    I am sure Alantani.com will be a good resource.

    There you go.
     
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    Cubeye

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    1. Are the 2 spool bearings the same size and what are the dimensions ?
    2. Any link to after market bearing and should I get ceramic bearings ?
    3. should I get ABEC-5 or ABEC-7 ?

    Thanks
    1. Pull the schematic out and check the part numbers of each bearing. That should tell you if they are the same. Smooth Drag sells bearings and drag washers.
    2. Ceramic bearing are high tolerance and high speed bearings. Not necessary for a fishing reel. Waste of money.
    3. ABEC-5.
     
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    Kai

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  • Mar 16, 2004
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    1. Pull the schematic out and check the part numbers of each bearing. That should tell you if they are the same. Smooth Drag sells bearings and drag washers.
    2. Ceramic bearing are high tolerance and high speed bearings. Not necessary for a fishing reel. Waste of money.
    3. ABEC-5.


    I did note from real world experience, that a friend of mine had the same reel with the same rod, with ceramics bearings, and light oil. Fathom 12 1st gen casts noticeably better for sure.

    That man is also a car mechanic.
     
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    RideHPD

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    The bearings are not the same size and you're going to need the bearing tool to pull the right side bearing off.

    Ceramic bearings are not high tolerance, and they aren't high speed by bearing standards. You just can't machine ceramic to the same tolerances as steel, hence why all the top end speed bearings are all steel. I've played with bearings, you honestly cannot get any better than the stock shimano bearings in those particular reels, you're better off just cleaning them out and relubing with a high speed bearing oil.
     
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    Cubeye

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    The bearings are not the same size and you're going to need the bearing tool to pull the right side bearing off.

    Ceramic bearings are not high tolerance, and they aren't high speed by bearing standards. You just can't machine ceramic to the same tolerances as steel, hence why all the top end speed bearings are all steel. I've played with bearings, you honestly cannot get any better than the stock shimano bearings in those particular reels, you're better off just cleaning them out and relubing with a high speed bearing oil.
    I stand corrected.
     
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    marzocchi

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    The bearings are not the same size and you're going to need the bearing tool to pull the right side bearing off.

    Ceramic bearings are not high tolerance, and they aren't high speed by bearing standards. You just can't machine ceramic to the same tolerances as steel, hence why all the top end speed bearings are all steel. I've played with bearings, you honestly cannot get any better than the stock shimano bearings in those particular reels, you're better off just cleaning them out and relubing with a high speed bearing oil.


    Are you sure about this?

    Cause the ceramic would be smoother and more round. Less friction = more speed?

    And isn't a ceramic hardness around 70-80, while a steel bearing is around 50-60

    How about the thermal properties? Wouldn't steel expand and ceramic wouldn't as much?

    I don't know why my college buddy would send me ceramic bearings instead of steel ones from his factory. He told me these are the best for my fishing reels. What a dick.

    JK Derick you are the best.
     
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    RideHPD

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    So for background, I had a project for DARPA where I needed completely non-ferrous, and even non-metallic bearings that could handle really high RPMs, I think it was something like 60k at peak speed. Knowing that boca made ceramic bearings I thought this was a done deal. Turns out they're not that great. It's important to note that the bearings we're all talking about are not "ceramic" but "hybrid" ie ceramic balls and metal raceways. Hardness and thermal properties don't mean anything when the balls are out of round. Silicon nitride is very brittle and very hard to machine, the material is usually pressed and sintered with some post processing grinding, but the extent you can do that is limited. Quickly learned from research that the fastest bearings were indeed all steel construction for this very reason. The hybrid bearings are nice for reels in that they limit galvanic corrosion, and the balls are the first thing to rust on all steel bearings. The japan made steel bearings Shimano uses are really very, very good, they often just get packed in grease. Clean that out and you'll be pretty hard pressed to find better performance out of that reel.
     
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    swami 805

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    Is there something wrong with the bearings that are in it? If not Take the spool bearings out, clean them out with carburator cleaner and lube with some TSI321 oil. You should notice they'll spin much better. If want want to go a step further polish the spool shaft and inside the pinion with very fine steel wool, to further reduce friction. You should get much better freespool. Just adding gucci bearings isn't a magic bullet and might not do much good at all if they have grease in them. Lots of good info on the interwebs to improve freespool
     
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    Rmpsocal

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    The left side spool bearing, in the frame, is 4x11x4.
    The right side spool bearing, behind the pin, is 6x12x4.

    I installed aftermarket ceramic bearings in my Trinidad 20a, with just a drop of TSI321. It is noticeably “faster” and ”noisier”. I like them, but you have to ensure you lubricate those bearings more often without grease in them.
     
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    Tuna-Sniper

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    The bearings are not the same size and you're going to need the bearing tool to pull the right side bearing off.

    Ceramic bearings are not high tolerance, and they aren't high speed by bearing standards. You just can't machine ceramic to the same tolerances as steel, hence why all the top end speed bearings are all steel. I've played with bearings, you honestly cannot get any better than the stock shimano bearings in those particular reels, you're better off just cleaning them out and relubing with a high speed bearing oil.
    thanks, I will do that.
     
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    RideHPD

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    thanks, I will do that.

    If you get them off the spool, pull the shields (I think the spool bearing shields are removable, they might not, can't remember) and soak in acetone overnight. With the bearings completely degreased wipe the exposed surfaces with a bit of oil, add a single drop of TSI or a good reel oil into the race and spin the bearing a bit to work it around, that's all they need. Extra oil just slows them down.
     
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    Blind Luck

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    I took 10 of my Shimano reels to Irvine headquarters. My bill came to $290 for labor...No charge for bearings, shafts etc. (37 parts listed)
    I'll drop off 10 more this year ...how can you go wrong?
    Most of the top reel manufacturers offer this service...$25-$30 per reel for labor...n/c parts.
     
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