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Honda Bearing color to thickness chart for everyone who loves using OEM bearings [Archived]

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earl
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8404 posts [100%]
Irvine CA
6-24-2001

Honda Bearing color to thickness chart for everyone who loves using OEM bearings

« » 2:04 AM 12/26/2003

Reply Edit

Here is a chart of Honda B series bearing thickness by color. To calculate actual bearing clearance, use the following formula:

BC = IDBT – ODC – (2 x BT)

BC = bearing clearance
IDBT = inside diameter of bearing tunnel (housing bore)
ODC = outside diameter of crank journal
BT = bearing thickness

Main Bearing thickness by color
Blue 2.013-2.010 mm 0.0793”- 0.0791”
Black 2.010-2.007 mm 0.0791”- 0.0790”
Brown 2.007-2.004 mm 0.0790”- 0.0789”
Green 2.004-2.001 mm 0.0789”- 0.0788”
Yellow 2.001-1.998 mm 0.0788”- 0.0787”
Pink 1.998-1.995 mm 0.0787”- 0.0785”
Red 1.995-1.992 mm 0.0785”- 0.0783”

Rod bearing thickness by color
Blue 1.510-1.507 mm 0.0594”- 0.0593”
Black 1.507-1.504 mm 0.0593”- 0.0592”
Brown 1.504-1.501 mm 0.0592”- 0.0591”
Green 1.501-1.498 mm 0.0591”- 0.0590”
Yellow 1.498-1.495 mm 0.0590”- 0.0589”
Pink 1.495-1.492 mm 0.0589”- 0.0587”
Red 1.492-1.489 mm 0.0587”- 0.0586”

Although most people do not have inside micrometers, bearing micrometers or snap gauges, you can still use this chart when using plastigage to check bearing clearance. If you want to increase or decrease a bearing clearance, you can calculate how much of a color change is necessary by looking at the changes on the chart. Remember you can mix colors for even a more fine-tuning but it would not be wise to jump more than one color. In other words, do not mix a brown and yellow bearing together to equal a green clearance value. Just use the greens together. It is ok to mix a green with a yellow or a green with a brown. When doing your rebuild and replacing bearings with like colors, you still must check your results with plastigage to be sure. Don’t assume anything. Also remember, when swapping to aftermarket rods, throw the color codes away as they will not work anymore. You need to start from scratch to obtain your desired clearance. On the other hand, you really cannot measure accurately to the nearest .0001” without machinist quality tools, so don’t get carried away on that last one ten thousandth of an inch variance.

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2429 posts [100%]
California
11-11-2001

Re: Honda Bearing color to thickness chart for everyone who loves using OEM bearings (earl)

« » 3:53 AM 12/26/2003

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Thanks for answering my request on the chart above Earl

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b19coupe
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9297 posts [100%]
Southern California
3-15-2002

Re: Honda Bearing color to thickness chart for everyone who loves using OEM bearings (earl)

« » 3:27 PM 12/26/2003

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Nice! Thanks for taking the time to post this. It should be a sticky

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persianprelude

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240 posts [100%]
So Cal
11-15-2002

« » 4:58 PM 12/26/2003

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hey earl, when using aftermarket rods do you recommend honda oem bearings or aftermarket bearing like acl or aebs? Thanks

JCushing

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3105 posts [100%]
Suck it Trebek
11-10-2001

Re: (persianprelude)

« » 5:02 PM 12/26/2003

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Quote, originally posted by persianprelude »

hey earl, when using aftermarket rods do you recommend honda oem bearings or aftermarket bearing like acl or aebs? Thanks

here we go again, the great bearing debate continues

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persianprelude

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240 posts [100%]
So Cal
11-15-2002

« » 5:04 PM 12/26/2003

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just wanted earls opinion that's all did not mean to start another debate.

earl
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8404 posts [100%]
Irvine CA
6-24-2001

Re: (persianprelude)

« » 8:44 PM 12/26/2003

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I use ACL's, many will disagree, but I have not heard of one failure in the three years I have used and sold ACL's.

Custom built race and street engines..K, B, H, F, D cores in stock

Have a Question?..Call 714.688.0222 (shop)
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JCushing

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3105 posts [100%]
Suck it Trebek
11-10-2001

Re: (persianprelude)

« » 8:55 PM 12/26/2003

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i know that, its just that the oem vs aftermarket bearing argument gets real childish on HT

84.5mm b20, 11.5:1 cr, non-vtec P8R head with crower 404's going to go bigger FOR MORE POWER!

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sweet

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3194 posts [100%]
7-14-2002

Re: (JCushing)

« » 9:13 PM 12/26/2003

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excellent info Earl!!

it's good to have that posted up. i know in the past i have emailed you about bearing colors/clearances while doing some rebuilds. one of the things i was curious about was the thickness of each OEM color bearing in order to help determine easier which color/size to try when plasti-gauging. the specs help out in this regard.

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1664 posts [100%]
ORANGE COUNTY CALIFORNIA
7-24-2002

Re: (sweet)

« » 9:29 PM 12/26/2003

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good info

AllMTRWH0R3

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2936 posts [100%]
Deceptive CA 805
11-7-2003

Re: Honda Bearing color to thickness chart for everyone who loves using OEM bearings (earl)

« » 12:46 AM 12/27/2003

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nice uselfull info for everybody

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Suprdave
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6687 posts [100%]
South Beach and Chicago FL
3-13-2001

Re: (earl)

« » 1:08 AM 12/27/2003

Reply Edit

Quote, originally posted by earl »

I use ACL's, many will disagree, but I have had not heard of one failure in the three years I have used and sold ACL's.

I have, wanna see pics?

Suprdave

Yes, I moved to Miami
Yes, I will still tune your car when I'm back in town as long as it isn't junk.

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3rdGteg

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2429 posts [100%]
California
11-11-2001

Re: (Suprdave)

« » 1:23 AM 12/27/2003

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Quote, originally posted by Suprdave »

I have, wanna see pics?

Suprdave

I see where this thread is heading....
Not another OEM and ACL bearing debate

I think we have plenty in the archive.
Regardless of which brand, above chart is very useful; so lets just be thankful for that.

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earl
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8404 posts [100%]
Irvine CA
6-24-2001

Re: (Suprdave)

« » 10:30 AM 12/27/2003

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Quote, originally posted by Suprdave »

I have, wanna see pics?

Suprdave

Yes, Dave. Send me any pix you have showing proof that an acl failed in service. I would like the users name and number also so that I might be able to help them to get to the bottom of the problem. Any information you have about the specific chain of events that started with the bearing failure would be helpful also.
Note: I started this thread to try to help users of OEM bearings. I really don't give a shit what bearing anyone uses or who they buy it from. I really am sick of the negativity, however.

Custom built race and street engines..K, B, H, F, D cores in stock

Have a Question?..Call 714.688.0222 (shop)
http://www.laskeyracing.com

Suprdave
4 bitchs or faster honda

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6687 posts [100%]
South Beach and Chicago FL
3-13-2001

Re: (earl)

« » 11:39 AM 12/27/2003

Reply Edit

I'm not being negative...I use all kinds of bearings...but we really had one fail. I already re-built that motor, but I still have the messed up crank and stuff laying around...I took some pics before too. I didn't build it originally, but it definately spun a bearing hard (He was taking me for a ride in the car when the engine seized) and I rebuilt it. I'll find those pics...

Yes, I moved to Miami
Yes, I will still tune your car when I'm back in town as long as it isn't junk.

Email is the only way to contact me: dave@whipfactory.com

earl
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8404 posts [100%]
Irvine CA
6-24-2001

Re: (Suprdave)

« » 1:56 PM 12/27/2003

Reply Edit

As you well know, spinning a bearing can happen because of many reasons not related to who manufactured the bearing. If you did not do the original build, it is near impossible to trace the cause accurately.

Custom built race and street engines..K, B, H, F, D cores in stock

Have a Question?..Call 714.688.0222 (shop)
http://www.laskeyracing.com

3rdGteg

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2429 posts [100%]
California
11-11-2001

Re: (Suprdave)

« » 3:14 PM 12/27/2003

Reply Edit

The guy who built the motor prior could of ran the clearances too loose causing the bearing to spin in its bore; same thing could've happened and most likely have happened already with any other type of bearings to anybody.

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-KangaRod-

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1289 posts [100%]
Winnipeg MB
3-21-2002

« » 3:25 PM 12/27/2003

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awesome post - crazy aweosome

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0 posts [0%]
fresno ca
10-1-2003

Re: Honda Bearing color to thickness chart for everyone who loves using OEM bearings (earl)

« » 4:32 PM 12/27/2003

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hey earl post this up on the refferance FAQ on the Hybrid forum i know they will appreciate it, and no one wants to see this info get buried under a pile of guess my setup/horespower posts.

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