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Packing wheel bearings - question
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<blockquote data-quote="KMixson" data-source="post: 418431" data-attributes="member: 432"><p>Correct! When installing wheel bearings on a small boat trailers you want the wheel to spin freely with as little resistance as posible without too much endplay. When installing the races you want to preload the bearing to seat the races correctly by tightening the castle nut to the correct pre-load torque then backing off to the correct running torque. If the castle nut is too tight it will eat the bearing up because grease is not able to stay between the race and the rollers. If it is too loose it will wobble and cause pitting which will destroy the bearing also. On large vehicles the hub may be filled with oil instead of grease in which you can torque the castle nut down tighter because the oil will sling outward while in motion keeping oil on the races and rollers.</p></blockquote><p></p>
[QUOTE="KMixson, post: 418431, member: 432"] Correct! When installing wheel bearings on a small boat trailers you want the wheel to spin freely with as little resistance as posible without too much endplay. When installing the races you want to preload the bearing to seat the races correctly by tightening the castle nut to the correct pre-load torque then backing off to the correct running torque. If the castle nut is too tight it will eat the bearing up because grease is not able to stay between the race and the rollers. If it is too loose it will wobble and cause pitting which will destroy the bearing also. On large vehicles the hub may be filled with oil instead of grease in which you can torque the castle nut down tighter because the oil will sling outward while in motion keeping oil on the races and rollers. [/QUOTE]
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Packing wheel bearings - question
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