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Old February 9th, 2009, 16:48   #6
Skruface
 
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Join Date: Jan 2002
You obviously know that a bushing is one solid peice of metal. It cannot fail, other than the hole where the gear's shaft goes through wears down..this is very rare with steel bushings and a mild spring.

Bearings, on the other hand, have tiny metal balls held inside a metal frame by a thin peice of metal called a race. When bearings fail (due to pressure pushing the race out, or the bearing seizing because crap got into the bearing) the gears go out of alignment. The end result is usually pistons with torn-off rear ends from a piston jam, and peices of metal bearnig shredding the piston and gear teeth.

So, you can spend $15 on solid steel bushings and run 100,00K+ rounds through your gun with virtually no problems with a moderate spring, or spend $25 for bushings that have a substantially higher rate of failure and will in all likelyhood cost you over $120 in replacement parts when they do go...

The larger the bearing, the less chance of failure under moderate load. Buy quality 7mm or 8mm bearings (Kanzen, Prometheus), a matching mechbox, and paired with a moderate spring and you can rest pretty easy that the bearings will last a fair while. Buy cheap bearings (CA) or 6mm bearings and you are more than likely to have trouble.....
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