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#Yamaha mio sporty wheel bearing front rear size philippines install#
Never install a ball bearing into a wheel or engine case by driving on the inner race, as this could damage the bearing. When installing a new ball bearing, use either a bearing installation tool or a socket with the same outside diameter as the OD of the bearing, and a steel hammer. Then a slide hammer is used to pull the bearing out of the part being serviced. This tool is inserted into the inner race and tightened firmly. The easiest way to get bearings out is with a bearing remover tool.
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Work your way around the bearing race and knock it out with a series of light taps with a hammer. This will work with wheel bearings and with steering head races, as shown. To remove a bearing with a punch, set the tool up against the edge of the race working from the opposite side. Once a ball bearing has been removed, it should be replaced with a new one. Heating the component around the ball bearing with a heat gun will make removal (and installation) much easier. Replacementīall bearings can be removed using a bearing removal tool or a flat faced punch and a steel hammer. The letters ZZ indicate double rubber seals. The letters UU indicate double metal seals.
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The letter Z indicates a single rubber seal. The letter U indicates a single metal seal. The bearing codes are particularly useful if you are replacing a shaft (such as an axle) with a different diameter one. There may also be a letter or letters that indicate whether it is sealed, and if so, the number and type of seal(s) used. The numerical four digit code stamped into a ball bearing indicates its inside diameter (ID) and outside diameter (OD). A Simple Guide on Bearings from Cyclepedia Ball Bearings Codes