Posted by JD Seller on August 28, 2019 at 20:54:30 from (208.126.198.213):
In Reply to: Re: Built to fail posted by JD Seller on August 28, 2019 at 20:36:57:
P.S. The JD engineer that answered my question 20 plus years ago, went on to explain why removing the seal that is towards the grease cavity, would shorten the bearing's life. Mower spindles spin at high speeds. Many can be at engine speed, 3600 rpm or so. This high speed will sling the grease away from the bearing's balls if the seal is removed on one side. The grease fitting is there so that the bearing's grease is "refreshed" periodically. So your getting the best of both worlds. The easy maintenance of only greasing but a longer life than they would have without the grease being "refreshed".
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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