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What does "RCC bearing system" mean for Specialized hubs?

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What does "RCC bearing system" mean for Specialized hubs?

Old 02-12-15, 02:55 PM
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What does "RCC bearing system" mean for Specialized hubs?

Could somebody tell me what bearings do the Specialized hubs advertised as "RCC bearing system" use? I.e. is this cup-and-cone or some sealed cartridge? For example, see the specs page for the AWOL model:

Specialized Bicycle Components

FRONT HUB: Specialized Hi Lo disc, alloy, RCC bearing system, QR, 32h
REAR HUB: Specialized Hi Lo disc, alloy, RCC bearing system, QR, 32h

I tried googling this, but all I found were some guesses, but no information from anyone who seems to know for sure.

Many thanks!
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Old 02-12-15, 03:08 PM
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Just curious: when you asked Specialized, what did they say?
You'll only get guesses in this forum. Here's mine: it doesn't mean anything. It's marketing blather attempting to create the perception in your mind that their stuff is different and better than their competitors'. Mission halfway accomplished.
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Old 02-12-15, 03:20 PM
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I asked Specialized about something else another time, and they did not respond. I didn't bother asking this time around. Maybe I'll give it a try.

I was hoping somebody here actually popped one open and saw what's inside.
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Old 02-12-15, 03:38 PM
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Okay, I just asked Specialized through their Twitter account, and they responed "It is a basic bearing inside that Hi Lo hub. It is not a cup & cone. I don't have specific details on that hub." This confuses me. In my understanding cone-and-cup *is* the basic hub bearing. Confused.
https://twitter.com/agenkin/status/565984721478631425
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Old 02-12-15, 03:49 PM
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Originally Posted by agenkin
. . . Confused. . .
Probably, you should get used to that because the more answers you get, the more confused you'll become. Just saying.
BTW, there are other approaches to enlightenment.
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Old 02-12-15, 03:58 PM
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Originally Posted by AnkleWork
Just curious: when you asked Specialized, what did they say?
You'll only get guesses in this forum. Here's mine: it doesn't mean anything. It's marketing blather attempting to create the perception in your mind that their stuff is different and better than their competitors'. Mission halfway accomplished.
That's how todays marketing world works...Hunting for wealthy, but not necessary smart customers.
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Old 02-12-15, 04:07 PM
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well, you could just go to your lbs that sells their bikes and ask for a set of bearings for your bike...bet they give you the ones you need.
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Old 02-12-15, 04:34 PM
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Cartridge bearings might well be considered "basic" these days, although anything with "CC" in the name makes me think cup&cone. Why do you ask? Either bearing style has pros and cons.
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Old 02-12-15, 05:02 PM
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NSK lists them as "Sealed-Clean Rotating End Cap Cylindrical Roller Bearings." https://www.nskamericas.com/cps/rde/x..._Stock_(2).pdf

"The most remarkable characteristic of RCC and RCT
bearings is that they are both prepacked with grease and
thoroughly sealed with oil seals. In electric trains in Japan,
the usage of RCC bearings preceded that of RCT bearings
in large part because RCC bearings are more easily
disassembled and reassembled and therefore better
facilitate inspection and maintenance."

Last edited by Wanderer; 02-12-15 at 05:06 PM.
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Old 02-12-15, 05:03 PM
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probably have to get a hold of the original marketing guy at Specialized that dreamed up the name to get any kind of answer. maybe have to even get a couple of shots of Wild Turkey in him too so's he could remember (see state-dependent-memory in wiki).
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Old 02-13-15, 09:24 AM
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The latest response from the Specialized Twitter account:

"
I do not have any answer for you. The HI LO hubs are fully sealed and are not serviceable." https://goo.gl/CrW1Ka

The "don not have any answer" refers to my question what RCC stands for.
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Old 02-13-15, 09:27 AM
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As long as we are guessing, here's mine: Radial Contact Cartridge
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Old 02-13-15, 10:25 AM
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Originally Posted by agenkin
The latest response from the Specialized Twitter account:

"
I do not have any answer for you. The HI LO hubs are fully sealed and are not serviceable." https://goo.gl/CrW1Ka

The "don not have any answer" refers to my question what RCC stands for.
maybe should'a asked them what "BS" stands for. they might have been able to give you an answer.
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Old 02-13-15, 10:36 AM
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Originally Posted by hueyhoolihan
maybe should'a asked them what "BS" stands for. they might have been able to give you an answer.
I don't think so, they would have some marketing/customer service dribble name for that, too. Something like Hi-C GIR (High Confidence Generalized Irrelevant Response).
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Old 02-13-15, 10:49 AM
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Since NSK holds the patent - I'd go with their explanation.................
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Old 02-13-15, 10:54 AM
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Originally Posted by Wanderer
Since NSK holds the patent - I'd go with their explanation.................
Maybe but I seriously doubt Specialized uses "...Cylindrical Roller Bearings..." in their hubs.
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Old 02-13-15, 11:33 AM
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They get other companies to make all their stuff , under Contract, you Know .. which vendor supplied the Hubs is a separate question..
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Old 02-13-15, 03:01 PM
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Another update from the Specialized twitter conversation. Now whoever is answering that account has made a 180* turn and says these are standard cup and cone bearings:

"RCC = Roll-ground Cup and Cone. It is a fairly standard cup-and-cone (“loose-ball”) bearing assembly, but the rolling surfaces are ground before assembly, for flatness/smoothness. It’s a marketing term from the hub supplier"
https://twitter.com/agenkin/status/565984721478631425

It's really amazing to see how they contradict themselves in a short series of four tweets.
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Old 02-13-15, 03:03 PM
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Originally Posted by HillRider
Maybe but I seriously doubt Specialized uses "...Cylindrical Roller Bearings..." in their hubs.
+1. this is a problem with acronym speak. There simply aren't enough possible combinations of a few letters for everything and everybody. Ask the WWF about that.
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Old 02-13-15, 03:58 PM
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Originally Posted by FBinNY
+1. this is a problem with acronym speak. There simply aren't enough possible combinations of a few letters for everything and everybody. Ask the WWF about that.
I'll bring this up at the very next meeting of the MARGBM & LRBA.

You guys knew of course, that stands for Madison Avenue Rod, G*n, Bloody Mary & Labrador Retriever Benevolent Association didn't you?
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Old 04-26-15, 07:15 PM
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For the sake of anyone searching for this in the future, both hubs have been opened, and they have normal cup-and-cone bearings with nine lose (no cage) 1/4" balls on each side (both front and rear).
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Old 04-26-15, 09:02 PM
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So much for "....fully sealed and are not serviceable."
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Old 04-27-15, 05:06 AM
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Originally Posted by hueyhoolihan
maybe should'a asked them what "BS" stands for. they might have been able to give you an answer.
Stand by for a call from their lawyers. Specialized trademarked BS, donchya know?
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Old 04-27-15, 08:15 AM
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Originally Posted by agenkin
For the sake of anyone searching for this in the future, both hubs have been opened, and they have normal cup-and-cone bearings with nine lose (no cage) 1/4" balls on each side (both front and rear).
Dang, I should have put some money on it!

Originally Posted by ThermionicScott
...anything with "CC" in the name makes me think cup&cone.
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