Thread: Sealed or not?
08-08-2007, 08:44 AM #1
Sealed or not?
I'm just sourcing new bearings for my pump and rear housing on my XL1200Ltd, but the numbers confuse me! The original bearings I've taken out of the pump show they should have seals fitted into the races, but they are 'open' types. Have Yamaha just bought in sealed ones, and taken the seals out at the factory? The rear bearing housing has a sealed bearing in it. Should this be sealed, or open? I'm using a bearing supplier, rather than OEM, as they have a choice of makes, and even their dearest ones are far less than OEM, but I'd like to fit the correct ones! The seals I've got are OEM, as these seem to be specials, but the bearings are stock items. Regards all, DaveW.
08-08-2007, 08:45 AM #2
The bearings should not be sealed.
08-08-2007, 08:47 AM #3
08-08-2007, 01:19 PM #4
Thanks' for your replies guys. It's great to know a post on here will get, not just a quick response, but information that can be TRUSTED! I thought it a bit odd to put sealed bearings in, especially as the rear housing has a grease nipple to keep the bearing lubricated, but it pays to ask! I've got them all now (open type of course), and I've got the SKF brand, as I've used these in motorbikes for years with no failures. Jim tells me the postal tracking for the drive and inter shafts shows they are due delivery tomorrow, Paul, and boats.net have sent the seals, so I should be rebuilt and jumping waves at Blackpool on Sunday/Monday, with any luck! Have you moved, or are you still in Canvey, Paul? I like the new name! (mine makes me sound like a transvestite, but it's mine and Paula's email name, and it seemed like a good idea, at the time!!!) Cheers all, I LOVE GREENHULK!
08-08-2007, 01:24 PM #5
dave can you post the bearing numbers for all to see...
still in canvey ,its ok never more than 3 miles from water..
good luck getting he back in the water and have a good day wave jumping,will catch up soon as your not that far...
the name change;long story but if you knew it you would see why....
08-08-2007, 02:14 PM #6
Bearings I've used are SKF 6304 and 6205 for pump, and SKF 6205 for Rear Bearing Housing (Stainless are available, but I think that's a bit excessive!). Part numbers for seals are on Yamaha microfiche at boats.net etc. It seems the seals are specials, but aren't that expensive for OEM.
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