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Thread: 348 / 355 rear wheel bearings - Alternative parts

  1. #1
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    Sy
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    Default 348 / 355 rear wheel bearings - Alternative parts

    Had to abort my trip to auto italia this morning after hearing some strange noise eminating from the rear suspension area.

    Upon further investigation, it seems the rear near side wheel bearing has gone.

    Has anyone come across a cheaper alternative than OEM as I'll probably change all 4 of them now.

    The part numbers are:

    Rear wheel bearing = 157900

    Front bearing = 142882

  2. #2
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    Dunx
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    Do a search on the dark side. Someone posted the SKF numbers so you can buy them from any SKF bearing stockest. I think the rears are fairly cheap but the front ones are £300+ each from memory. I was going to replace mine as a percausion but didn't when I found out the cost.

  3. #3
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    Just notice you have checked the dark side. Call your lock bearing supplier with those numbers.

  4. #4
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  5. #5
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    Quote Originally Posted by Angelis View Post
    Had to abort my trip to auto italia this morning after hearing some strange noise eminating from the rear suspension area.

    Upon further investigation, it seems the rear near side wheel bearing has gone.

    Has anyone come across a cheaper alternative than OEM as I'll probably change all 4 of them now.

    The part numbers are:

    Rear wheel bearing = 157900

    Front bearing = 142882

    Hi there, Sy done both of mine and at the time (around 2 years ago) only ferrari had the bearings they were special to them and not a std of the shelf part.

    Mine had a problem with the drive flange where the bearing sits on had worn down, And you think it is the bearing and in my case it was not. With mine it also put a fault on the ABS as the sensor for it sit on that shaft and it could not get a good signal due the shaft running out of true.

    Hope this helps
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  6. #6
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    Sy

    Canít comment on the rears, however I did my fronts a couple of weeks ago due to excess play. To the best of my knowledge these are Ferrari only as the lower race is an integral part of the hub.

    You could try to strip, clean and re-pack the fronts but IMO this may cause more problems than it cures.

    At £150 + VAT a go, maybe best to leave the fronts alone if they donít have excessive rumble or play.

    However, if you do decide to do the fronts, the good news is itís a nice quick job and you donít need a press.

    Lastly, when ordering your bearings, donít forget new lock nuts.

    Hope this is of help.

    Julian

  7. #7
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    Thanks for the info guys.

    Seems that only OEM is available as mine's a late one and it's the same one as the 355.

    I'm hopefully getting the new front AP brake kit in a couple of days, so I might as well do everything at once.

    Very interesting what Paul wrote though. I'll investigate further before ordering the bits.

    Only Fchat they talk about greasing the bearings regularly. Mine definetly haven't been touched in 3 years and probably even longer. How often should they greased??

  8. #8
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    Sy

    To the best of my knowledge 348 bearings (like any other car) are Ďsealed for lifeí bearings and in theory should never need opening up and re-greasing.

    It is possible to sometimes open up a sealed bearing, clean out the old grease, repack and replace the seals to extend the life.

    However, the two big issues are you will have to do this in a totally clean environment to avoid contamination and also itís very easy to (sometimes impossible not to) damage the dust cover and seals in process, in each case the bearing will be shot after a few hundred miles.

    There may be companies out there who specialise in refurbing sealed bearings, although Iíve never heard of one, just suppliers.

    In the case of the fronts at least, I would be tempted to think Ďif it ain't broke, donít try and fix ití.

    Good Luck

    Julian

  9. #9
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    The front bearings are not sealed and can be regreased without disassembly. It's a ferrari bearing fixed with 6 bolts behind the hub and when removed you can see all the ball bearings. Due to cost I repacked mine but to be honest the looked new inside despite being 18years old.

    Rear bearings are sealed and should be replaced not opened and repacked. They are cheap so its best to replace all 4 off them.

    Sy
    Take the car for a 5 min drive and then jack it up. If the bearing has gone you will feel more movement due to the heat.
    Are you sure it's not something else like handbreak shoes breaking off or a driveshaft coming loose?

  10. #10
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    Quote Originally Posted by Littleblackflash View Post
    The front bearings are not sealed and can be regreased without disassembly. It's a ferrari bearing fixed with 6 bolts behind the hub and when removed you can see all the ball bearings. Due to cost I repacked mine but to be honest the looked new inside despite being 18years old.

    Rear bearings are sealed and should be replaced not opened and repacked. They are cheap so its best to replace all 4 off them.

    Sy
    Take the car for a 5 min drive and then jack it up. If the bearing has gone you will feel more movement due to the heat.
    Are you sure it's not something else like handbreak shoes breaking off or a driveshaft coming loose?

    Dunx

    Just checked the parts books as you had me scratching my head.

    Looks like there is two types of assembly fitted to a 348.

    Part No 112799 which can be re-packed like yours.

    Part No 142882 like mine which is a sealed assembly.

    Sorry Sy don't know which is fitted to your car, but my car is a 93 Spyder.

    Good Luck

    Julian.

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