GSX1400 Owners .org

Technically Speaking => Chains & Sprockets => Topic started by: rollerfish01 on Friday, 13 April 2018, 11:22 PM

Title: Rear Sprocket Bearing
Post by: rollerfish01 on Friday, 13 April 2018, 11:22 PM
Changed the front, rear sprocket and the chain a few days ago.
Found that the rear sprocket bearing was single side sealed, also a gap was between the bearing and the outer dust seal.
Dirt (& a bit rust?) was inside the bearing, grease was dry, and I also need to spray a lot of WD40 to help to detach the dust seal.
The question is why the bearing not using double side seal to prevent dirt go inside ? It's a mechanical design or just cost saving ?  :confused1:

Title: Re: Rear Sprocket Bearing
Post by: seth on Friday, 13 April 2018, 11:46 PM
Change the bearing everytime you change the sprockets as the bearings are known to go around 16000/20000 miles I've had 1 go at 18000 and another on it's last legs at 17000 miles.
The seal can be cleaned up and reused but I use double sided sealed bearings in sprocket carrier and wheelbearings and pack the seal with grease .
If the bearing goes it can damage the swingarm ,wheel ,clutch cylinder and back of the engine .
All very ££££
Good luck
Title: Re: Rear Sprocket Bearing
Post by: rollerfish01 on Friday, 13 April 2018, 11:55 PM
forgot to say I changed the bearing too... :cheers:
But wish to find a double side seal bearing for next time,
@seth any suggestion ? Thanks ! :worshippy:
Title: Re: Rear Sprocket Bearing
Post by: seth on Saturday, 14 April 2018, 12:00 AM
I use skf double sealed bearings with metal cage
You get the numbers off your old bearing (or take them with you) and go to your local bearing suppliers they should match you up a set .
Should be cheaper than Suzuki and far better quality .
:cheers:
Title: Re: Rear Sprocket Bearing
Post by: rollerfish01 on Saturday, 14 April 2018, 12:05 AM
Thanks for your suggestion !  :cheers: :worshippy:
Title: Re: Rear Sprocket Bearing
Post by: Hooli on Saturday, 14 April 2018, 02:28 AM
What Seth said. I use double sided ones & change them with every chain as they are dodgy by 30-35k miles.
Title: Re: Rear Sprocket Bearing
Post by: KiwiCol on Saturday, 14 April 2018, 03:59 AM
That's the sprocket carrier bearing yeah?  Never changed one in either of the bikes.  How tight are they to get out? So, double sided seal is ok on this one?  Just not rear wheel bearings?

Depending on how hard they are to get out, might have a wee play in there over the weekend.
Title: Re: Rear Sprocket Bearing
Post by: seth on Saturday, 14 April 2018, 04:07 AM
Easy to knock out with a big socket .
Suzuki cut corners on all the wheel bearing including the sprocket carrier bearing.
I've changed all to better quality double sealed bearings on both wheels and still change the sprocket carrier with every chain change.
:cheers:
Title: Re: Rear Sprocket Bearing
Post by: KiwiCol on Saturday, 14 April 2018, 04:14 AM
Cheers Seth.
Title: Re: Rear Sprocket Bearing
Post by: KiwiCol on Saturday, 14 April 2018, 04:26 AM
Rollerfish01, just out of interest, what's the mileage on your bike?  Looking at the bearing you replaced, it's possibly the original.
Title: Re: Rear Sprocket Bearing
Post by: Cykik on Saturday, 14 April 2018, 08:35 PM
I took this out @ 24k mls. Dunno where the dust shield & bearings went though!!
Title: Re: Rear Sprocket Bearing
Post by: KiwiCol on Saturday, 14 April 2018, 08:38 PM
Bloody hell!!  running a bit shite was it?
Title: Re: Rear Sprocket Bearing
Post by: rollerfish01 on Saturday, 14 April 2018, 09:19 PM
Quote from: KiwiCol on Saturday, 14 April  2018, 04:26 AM
Rollerfish01, just out of interest, what's the mileage on your bike?  Looking at the bearing you replaced, it's possibly the original.

Its around 67K km, I guess the previous owners had never changed the bearing(s).  :whatever:
Title: Re: Rear Sprocket Bearing
Post by: KiwiCol on Saturday, 14 April 2018, 09:22 PM
Cheers rollerfish01, least yours had all the balls, not like Cykiks'.
Title: Re: Rear Sprocket Bearing
Post by: Speedy1959 on Sunday, 15 April 2018, 06:27 AM
Maybe it was an "all balls" bearing ??  :grin:
Title: Re: Rear Sprocket Bearing
Post by: froudy on Sunday, 15 April 2018, 07:40 PM
The last time I changed mine I found a seller on ebay doing a pack of two for about £23 delivered, which was a good price. I keep one spare now just in case.
KOYO two rubber sealed bearings. 32x65x17

https://simplybearings.co.uk/shop/p43091/KOYO-62/32DDU-Rubber-Sealed-Deep-Groove-Ball-Bearing-32x65x17mm/product_info.html

You'll probably find them cheaper than Simply Bearings if you shop around.
Title: Re: Rear Sprocket Bearing
Post by: grog on Sunday, 15 April 2018, 08:38 PM
Froudy, i think same as me. wheel brgs local, cheap as. carrier is odd size, two spare in shed. maybe sourced uk, not sure. still very cheap. koyo, nsk, timken, skf, all good brands.
Title: Re: Rear Sprocket Bearing
Post by: Eric GSX1400K3 on Sunday, 15 April 2018, 11:12 PM
Thanks guys, got me thinking now.  Bike just clocked over 38000 kms on the weekend and I've got no idea if the last owner ever changed them.  From the history I've got with the bike I'm the 3rd owner.    I will have to take a look at both the wheel and sprocket carrier bearings at the next opportunity. No noise from any of them yet, but better safe than sorry.  Will probably change front and rear wheel bearings when I chuck a new set of tyres on.

Thanks for the good post

Eric
Title: Re: Rear Sprocket Bearing
Post by: Hooli on Sunday, 15 April 2018, 11:37 PM
I wouldn't worry about the wheel bearings, mine are all original at 115k miles. However I know others on here (Vlad maybe?) have a different opinion of them.
Title: Re: Rear Sprocket Bearing
Post by: seth on Monday, 16 April 2018, 12:13 AM
My k2 bearings collapsed at 32000 mile just after I'd sold it took out the wheel swingarm and rear of the motor .
I wouldn't trust them beyond 20000 your just very lucky hooli
:cheers:
Title: Re: Rear Sprocket Bearing
Post by: Andre on Monday, 16 April 2018, 01:37 AM
The bearings are inexpensive and easy to replace (unless done by "professionals"). No need to save a few quid here and pay heavy later.