Best brand of sleeve gear bearing

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Hortons Norton

Hortons Norton

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I am pricing sleeve gear bearings and have found prices going from 20 something to 80 something? What do you think is the best made bearings and do you have a part number? I no nothing about bearings and would like to use the best quality bearing I can, Thanks.
 
I just did that one using the "one side sealed" one that Old Britts sells for $25. Appeared to me to be a good quality bearing, but I didn't take note if there was a manufacturer noted on it. I note in looking back at the site that they sell another one for $80. Presumably better, but no further information. Be curious myself.
 
You might want to call Fred Eaton at Old Britts - presumably , he could tell you why one bearing he sells for $25 and another for more than three times that.

As I say, if you find out, I'd be curious! Just finished my "spare" gearbox, but I plan on doing the one in my bike next winter .
 
Resurrecting an old thread, because a lot has been said already.

What are the current offerings?
Quality levels?

Are there any from recognized leaders like SKF/FAG/NACHI/NSK etc.?
 
SteveA said:
Why would you spend more if this is what AN supplies, surely a basic bearing, with or without a seal, will work fine:

andover-norton.co.uk

Motorcycle parts and spares for Norton motorbikes - Genuine Andover Norton Spare Parts - Andover Norton Motorcycles Parts - Original Andover Norton Parts

Motorcycle parts and spares for Andover Norton motorbikes: Andover Norton manufactures and supplies all Genuine Factory Spare Parts for Norton motorcycles built before 2002.
andover-norton.co.uk
Click to expand...
Surely.
3DD5FDD1-5133-4245-89F4-C67CFC56469B.jpeg


Edit: the first post wasn't mine & it is very old.

To be clear, I am QUALITY searching, not penny pinching as the first post mentions.
 
Last edited:
concours said:
Surely.View attachment 109114

Edit: the first post wasn't mine & it is very old.

To be clear, I am QUALITY searching, not penny pinching as the first post mentions.
Click to expand...
Fine, pont taken, but my personal feeling is that most everything AN supplies meets basic quality expectations.

Will spending more get you more 'quality'. Some cases of course it does, e.g. main bearings and layshaft bearings. But I have my doubts on this one.

Did you find many other options?
 
SteveA said:
Fine, pont taken, but my personal feeling is that most everything AN supplies meets basic quality expectations.

Will spending more get you more 'quality'. Some cases of course it does, e.g. main bearings and layshaft bearings. But I have my doubts on this one.

Did you find many other options?
Click to expand...
Certainly your feelings matter, but regarding parts quality, I tend to be a bit more objective. 👍🏻

Not quite sure, what you're picking at here.

🍻
 
If you do manage to find a branded option it will have to be a NOS part all the big brands de listed the 1-1/4" ID many years back
BEWARE of LJ1 bearings which have the inner track re ground
 
Frankie17 said:
If you do manage to find a branded option it will have to be a NOS part all the big brands de listed the 1-1/4" ID many years back
BEWARE of LJ1 bearings which have the inner track re ground
Click to expand...
Thank you. I am painfully aware of the re-ground version. I went through it eight years ago.
 
The (1RS) bearing in AN's picture is marked "KSM 1654 Japan".
andover-norton.co.uk

Motorcycle parts and spares for Norton motorbikes - Genuine Andover Norton Spare Parts - Andover Norton Motorcycles Parts - Original Andover Norton Parts

Motorcycle parts and spares for Andover Norton motorbikes: Andover Norton manufactures and supplies all Genuine Factory Spare Parts for Norton motorcycles built before 2002.
andover-norton.co.uk

1654 is 1 1/4".
Another branded 1654 is 'Nice' apparently a US bearing company.
productinfo.rbcbearings.com

Item # 1654DCTNTG18, Double Seal, 1600 Series™, Presision Ground Radial Bearings On Roller Bearing Company Inc.

Browse Item # 1654DCTNTG18, Double Seal, 1600 Series™, Presision Ground Radial Bearings in the Roller Bearing Company Inc. catalog including Item #,Item Name,Description,Type,Series,Material,Finish,Lubricant,Bore (d),Outside Diameter (D),Width (B),Ou
productinfo.rbcbearings.com productinfo.rbcbearings.com
I believe this bearing could have a nylon cage. Edit: 'TN' = Nylon cage.
"Operating Temperature [Max] 300 ºF"

Also PEER. "High quality" but seems cheap for a high-quality bearing.

PEER Bearing

Explore Peer Bearing’s wide range of high-quality bearings and solutions. Trusted reliability for your industrial needs.
www.peerbearing.com www.peerbearing.com

Peer 1654 Open Type Deep Groove Ball Bearing 1.25x2.5x0.625 inch Simply Bearings Ltd

simplybearings.co.uk simplybearings.co.uk
 
Last edited:
L.A.B. said:
The (1RS) bearing in AN's picture is marked "KSM 1654 Japan".
andover-norton.co.uk

Motorcycle parts and spares for Norton motorbikes - Genuine Andover Norton Spare Parts - Andover Norton Motorcycles Parts - Original Andover Norton Parts

Motorcycle parts and spares for Andover Norton motorbikes: Andover Norton manufactures and supplies all Genuine Factory Spare Parts for Norton motorcycles built before 2002.
andover-norton.co.uk

1654 is 1 1/4".
Another branded 1654 is 'Nice' apparently a US bearing company.
productinfo.rbcbearings.com

Item # 1654DCTNTG18, Double Seal, 1600 Series™, Presision Ground Radial Bearings On Roller Bearing Company Inc.

Browse Item # 1654DCTNTG18, Double Seal, 1600 Series™, Presision Ground Radial Bearings in the Roller Bearing Company Inc. catalog including Item #,Item Name,Description,Type,Series,Material,Finish,Lubricant,Bore (d),Outside Diameter (D),Width (B),Ou
productinfo.rbcbearings.com productinfo.rbcbearings.com
I believe this bearing could have a nylon cage.
"Operating Temperature [Max] 300 ºF"

Also PEER. "High quality" but seems cheap for a high-quality bearing.

PEER Bearing

Explore Peer Bearing’s wide range of high-quality bearings and solutions. Trusted reliability for your industrial needs.
www.peerbearing.com www.peerbearing.com

Peer 1654 Open Type Deep Groove Ball Bearing 1.25x2.5x0.625 inch Simply Bearings Ltd

simplybearings.co.uk simplybearings.co.uk
Click to expand...
Thank you Les. 🍻
 
Does anyone know the internal clearance specs of the current available bearing from KSM or other brands
NM.17721 (Double row brake drum bearing).
040098 (Sleeve gear bearing)
060750 (Clutch drum bearing)

In my experience these bearings in OEM bikes had a tighter tolerance like a CN or C2 instead of the common C3. I don't replace these bearings unless they totally fail. Which is very rare. The OEM stuff is /was great quality and fit.

****With one known exception!!!!!***** The L/S bearing with the "loose balls"
 
Carl H said:
Does anyone know the internal clearance specs of the current available bearing from KSM or other brands
NM.17721 (Double row brake drum bearing).
040098 (Sleeve gear bearing)
060750 (Clutch drum bearing)

In my experience these bearings in OEM bikes had a tighter tolerance like a CN or C2 instead of the common C3. I don't replace these bearings unless they totally fail. Which is very rare. The OEM stuff is /was great quality and fit.

****With one known exception!!!!!***** The L/S bearing with the "loose balls"
Click to expand...
I would like to know that as well
 
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