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Should a Trailer Hub Be Completely Filled With Grease After Being Installed On Spindle?  

Question:

I just received hydraulic brake drums for my boat trailer which came pre-greased. There is plenty of grease around the bearings, but the center of the hub doesnt appear to be packed. Should this center hollow space be completely filled with grease? Thanks.

1

Helpful Expert Reply:

Yes, you want your entire hub completely filled with grease. This prevents the grease from being flung out of the bearings. If your spindle does not have a grease zerk like the # TRU74FR to fill the hub with grease you can use a device like the Bearing Buddy # BB1980A-SS to fill the hub. This particular bearing buddy fits a hub bore of 1.980.

A Grease Gun # L30416 will allow you to fill the hub with Grease # L11390 with either the grease zerk on the spindle or the Bearing Buddy.

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Bud M
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