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Ball Bearing Parallel Arms vs bushings
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grower3
Posted 2/4/2025 09:20 (#11088567 - in reply to #11088476)
Subject: RE: Ball Bearing Parallel Arms vs bushings


NENE
MiradaAcres - 2/4/2025 08:33

And yet in u-joint applications driveline angles of less than 1 deg are frowned upon due to insufficient movement to fully roll the needles which results in flat spotting the needles.

That is correct. On an irrigation driveshaft for example if the shaft is too straight the u joint will not last. You need 2 or 3 inches of offset and plenty of grease and they will last a long time. I can't see why a little slop in those arms hurt much anyway. The pressure is all on one side. It's not like they are rattling around.

Edited by grower3 2/4/2025 09:24
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