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Timken vs. Koyo bearings? #2013847
02/17/16 12:10 PM
02/17/16 12:10 PM
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Marion, South Carolina [><]
an8sec70cuda Offline OP
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What are your thoughts on the quality of Timken vs. Koyo bearings? Looking at bearing kits for a Dana 60 and there's a pretty big difference in price...Timken being more expensive. Are they worth it?


CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
Re: Timken vs. Koyo bearings? [Re: an8sec70cuda] #2013919
02/17/16 02:16 PM
02/17/16 02:16 PM
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Rittman Ohio
fourgearsavoy Offline
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As you might know I'm a 27 year Toyota technician and almost all Toyota transmissions use Koyo bearings and I the only bearing failures I see are from fluid loss or contamination.
Toyota trucks use Koyo bearings on their carriers and go 300K without any troubles twocents
I use them in my rebuilds without hesitation up

Gus beer


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
Re: Timken vs. Koyo bearings? [Re: an8sec70cuda] #2013935
02/17/16 02:35 PM
02/17/16 02:35 PM
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Thumperdart Offline
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Originally Posted By an8sec70cuda
What are your thoughts on the quality of Timken vs. Koyo bearings? Looking at bearing kits for a Dana 60 and there's a pretty big difference in price...Timken being more expensive. Are they worth it?


I got Timken bearing to use for set up for about $10 ea at Vatozone........


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: Timken vs. Koyo bearings? [Re: an8sec70cuda] #2013939
02/17/16 02:39 PM
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mopars4ever Online content
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I`m pretty sure Timken bearings are made in China now.

Re: Timken vs. Koyo bearings? [Re: Thumperdart] #2013944
02/17/16 02:45 PM
02/17/16 02:45 PM
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Rittman Ohio
fourgearsavoy Offline
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Originally Posted By Thumperdart
Originally Posted By an8sec70cuda
What are your thoughts on the quality of Timken vs. Koyo bearings? Looking at bearing kits for a Dana 60 and there's a pretty big difference in price...Timken being more expensive. Are they worth it?


I got Timken bearing to use for set up for about $10 ea at Vatozone........


I'm pretty sure you didn't get Dana carrier bearings for $10 ea whistling

Those don't come cheap by any company laugh2

Gus beer


64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60
Re: Timken vs. Koyo bearings? [Re: an8sec70cuda] #2013954
02/17/16 02:56 PM
02/17/16 02:56 PM
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Blue Ridge, VA
Plumb Wired Offline
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Chip, FWIW I worked in the bearing industry for 26 years. Years ago I would have said Timken hands down but because of overseas competition Timken now makes all of their small bore bearing overseas as well. With that said KOYO will be fine but I personally would still buy the Timken. lol


RIP Monte Smith

aka: OutlawFish
'98 Bickel Dodge Dakota PST
Re: Timken vs. Koyo bearings? [Re: fourgearsavoy] #2013961
02/17/16 03:00 PM
02/17/16 03:00 PM
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Thumperdart Offline
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Originally Posted By fourgearsavoy
Originally Posted By Thumperdart
Originally Posted By an8sec70cuda
What are your thoughts on the quality of Timken vs. Koyo bearings? Looking at bearing kits for a Dana 60 and there's a pretty big difference in price...Timken being more expensive. Are they worth it?


I got Timken bearing to use for set up for about $10 ea at Vatozone........


I'm pretty sure you didn't get Dana carrier bearings for $10 ea whistling

Those don't come cheap by any company laugh2

Gus beer


True just pinion bearings for my lowly 8 3/4...........


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: Timken vs. Koyo bearings? [Re: Thumperdart] #2014116
02/17/16 07:13 PM
02/17/16 07:13 PM
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GTX MATT Offline
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Originally Posted By Thumperdart
Originally Posted By an8sec70cuda
What are your thoughts on the quality of Timken vs. Koyo bearings? Looking at bearing kits for a Dana 60 and there's a pretty big difference in price...Timken being more expensive. Are they worth it?


I got Timken bearing to use for set up for about $10 ea at Vatozone........

Really? Mine only shows the outer bearing for the 8 3/4

I used a Koyo from a part store when I made my setup bearing last time, it was a mistake on my part. When I pressed the Timken on it was slightly different depth, didn't kill the pattern, but went from a perfect pattern to a just OK pattern. The Koyo has less rollers in it. So I need to get a Timken this time, and rehone (PITA)

Last edited by GTX MATT; 02/17/16 07:14 PM.

Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street
Re: Timken vs. Koyo bearings? [Re: an8sec70cuda] #2014148
02/17/16 07:58 PM
02/17/16 07:58 PM
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Hot 340 Offline
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We make die parts for Koyo often. They own Timken now.

Re: Timken vs. Koyo bearings? [Re: Hot 340] #2014154
02/17/16 08:04 PM
02/17/16 08:04 PM
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Re: Timken vs. Koyo bearings? [Re: GTX MATT] #2014163
02/17/16 08:11 PM
02/17/16 08:11 PM
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Abilene, Texas
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fastmark Offline
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Originally Posted By GTX MATT
Originally Posted By Thumperdart
Originally Posted By an8sec70cuda
What are your thoughts on the quality of Timken vs. Koyo bearings? Looking at bearing kits for a Dana 60 and there's a pretty big difference in price...Timken being more expensive. Are they worth it?


I got Timken bearing to use for set up for about $10 ea at Vatozone........

Really? Mine only shows the outer bearing for the 8 3/4

I used a Koyo from a part store when I made my setup bearing last time, it was a mistake on my part. When I pressed the Timken on it was slightly different depth, didn't kill the pattern, but went from a perfect pattern to a just OK pattern. The Koyo has less rollers in it. So I need to get a Timken this time, and rehone (PITA)


Well I just did this setup. I honed an older Timken bearing, installed it, and measured my depth. I then pressed on a newer Timken bearing and it was .003 deeper in the case. The pattern was still ok so I installed it.

Re: Timken vs. Koyo bearings? [Re: GTX MATT] #2014171
02/17/16 08:22 PM
02/17/16 08:22 PM
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Thumperdart Offline
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Originally Posted By GTX MATT
Originally Posted By Thumperdart
Originally Posted By an8sec70cuda
What are your thoughts on the quality of Timken vs. Koyo bearings? Looking at bearing kits for a Dana 60 and there's a pretty big difference in price...Timken being more expensive. Are they worth it?


I got Timken bearing to use for set up for about $10 ea at Vatozone........

Really? Mine only shows the outer bearing for the 8 3/4

I used a Koyo from a part store when I made my setup bearing last time, it was a mistake on my part. When I pressed the Timken on it was slightly different depth, didn't kill the pattern, but went from a perfect pattern to a just OK pattern. The Koyo has less rollers in it. So I need to get a Timken this time, and rehone (PITA)


Part # M804049......Inner..........


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: Timken vs. Koyo bearings? [Re: an8sec70cuda] #2014192
02/17/16 08:56 PM
02/17/16 08:56 PM
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Morristown Tn.
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71birdJ68 Offline
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There are two grades of Timken bearings. The parts store verity which are from over seas and the US made one's. The will have the same part numbers but from different places. Take the timken part number ad go to an industrial supply house if you want the US made ones. Or to an aviation supply place. The US made ones are more expensive I know I replace the axle and carrier bearing in my Dana and it was really high.

Re: Timken vs. Koyo bearings? [Re: an8sec70cuda] #2014239
02/17/16 10:08 PM
02/17/16 10:08 PM
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East Coast
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A/MP Offline
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I've had only 2 experiences with Koyo. One was oversized and the other under.By the thousandths. The races also had scratches. Don't know if it was returned or new.

Re: Timken vs. Koyo bearings? [Re: an8sec70cuda] #2014258
02/17/16 10:41 PM
02/17/16 10:41 PM
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Benton, IL.
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DaveRS23 Offline
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The last Timkens that I bought were made in Eastern Europe.


Master, again and still
Re: Timken vs. Koyo bearings? [Re: 71birdJ68] #2014261
02/17/16 10:44 PM
02/17/16 10:44 PM
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Bend,OR USA
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Cab_Burge Offline
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Timken use to offer a lot of thier Timken tapered roller wheel bearings in many different quality of bearings with the same part number except the suffix. I complained once about the price of a set of wheel bearings on my small single engine airplane when I had the fisrt annual inspection done on it, the shop charged me around $38.00 for the bearing and race, the same part number at the local auto parts store was $8.00 work The auto parts bearing had a A suffix and the airplane bearing had a G suffix on it shock The FBO shop mechanix explianed the difference was in how close the tolerances where between the two, .0010 compared to .0001 work
That airplane took off and landed at 85 MPH + and the tires where very small in diameter so the wheel bearings on landing would go from a dead stop to real fast in a very short period of time work I put a bunch of time in that airplane, 1100+ hours and a lot of take offs and landings in that time and never had another wheel bearing failure after the first annual, I did remove and repack them every 100 hours per the factory recommended servicing thumbs That airplane had sat in northern CA for in a hangar 18 months on the north end of San Fransisco bay area for 18 months before I bought it so the salty air moisture content up there may have cause the pitting on the bearings and races confused I now buy the recommended bearings from the manufacture for that specific application up

Last edited by Cab_Burge; 02/17/16 10:45 PM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Timken vs. Koyo bearings? [Re: an8sec70cuda] #2014267
02/17/16 10:53 PM
02/17/16 10:53 PM
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Charlotte, North Carolina
sgcuda Offline
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Chip,
I've seen issues with Koyo bearings in the transmissions in the dealership. I'm sure Chrysler's policy of "The cheapest bidder" has something to do with it, but I would still feel better with Timken. Like you, and all of the Moparts people have told me, after all of the investment that has been made into our toys, are you going to cheap out now for a set of axle bearings?


[image][/image]
Re: Timken vs. Koyo bearings? [Re: Hot 340] #2014314
02/17/16 11:49 PM
02/17/16 11:49 PM
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Hilltown Pa
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That one sold me, I need carrier bearings for my aam axle and koyo are 1/2 the price.


Brett Miller W9 cnc'd heads
STR Chassis fabraction
Re: Timken vs. Koyo bearings? [Re: an8sec70cuda] #2014365
02/18/16 12:55 AM
02/18/16 12:55 AM
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Utah and Alaska
astjp2 Offline
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My last set of Timken 387 carrier bearings said made in the USA. try amazon


1941 Taylorcraft
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1994 Wrangler
1998 Wrangler
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2017 Jetta

I didn't do 4 years and 9 months of Graduate School to be called Mister!
Re: Timken vs. Koyo bearings? [Re: Cab_Burge] #2014371
02/18/16 01:04 AM
02/18/16 01:04 AM
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Morristown Tn.
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71birdJ68 Offline
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The biggest reason that Tenken aviation bearings are so high is that they have to have an FAA PMA certification.

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