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bmkole

Difference between ABEC 5 and ABEC 7

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I have an older Calcutta that I bought on Ebay last year. I fished it last season mostly flippin and pitchin without any problems. While cleaning it a few weeks ago, I noticed the bearings were pretty stiff. Since I don't really know the history of the reel I decided to just replace the bearings. I found a set of 2 ABEC 7 ceramics for around $30 plus shipping. I found 5 sets of 2 ABEC 5 ceramics for around $50 plus shipping. I know what the spec differences are between ABEC values, but what are the practical. I am guessing I wouldn't notice the difference if I were casting the 2 side by side. Any input?

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the difference between the abec 5 and 7 are the tolerance they hold. the abec 7 have closer tolerance than the 5 therefore less slop and more accurate.

there are a few sites that sell bearings for the shimanos. bocabearing, vbxbearing.com. and heartlandtackle.

have you tried to clean the bearing with a cleaner solution; ie brake cleaner (automotive), ronson lighter fluid? and then re-lube with a high end bearing oil, yellow rocket fuel? I use a sharpened pencil and acetone to hep spin and clean the bearings.

hvae anymore questions let me know

steve

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I didn't try cleaning them, there was a brownish colored ring along the seam on the side of the bearings.

Read up on the difference between the ABEC values.....I was just curious how much a difference I would notice between the two. I can get a pair of ABEC 7 for $30 or 5 pair of the ABEC 5 for $50. It's a difference of about $20 a pair and would I notice, one way or the other, in reel performance? Thanks for the help.

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check out heartland tackle, he does a good descriptive write up on the difference of the bearings. I had that same brown "tarnish" on some of the superfree bearings. I was able to remove most of that brown stuff with vigorous scrubbing with a tooth brush and acetone.

I couldnt afford the ceramics so i settled for the abec 5's. plus if there is a need to replace then you will have 4 sets left. you can also use the other 4 sets to put in the other shimanos if you have other reels.

you will feel the difference in smoothness. and some casting distance.

steve

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A clean and re-lube should restore your bearings fine. Sounds like the previous owner used WD-40, which will leave a thin gummy residue that acetone or lighter fluid will remove. I used to see that a bunch when i did reel work a dozen years ago. Re-lube with one drop of rocket fuel, etc.

Dean

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