| 摘要 |
A marine propulsion system designed for shallow waters, swamps, savannahs and the like includes removable, sealed bearing units adjacent a propeller shaft casing. The bearing units include a threaded end adjacent the casing, a cover distal thereto and at least one shaft seal. Bearings may be replaced by passing the bearings from a bearing housing through an opening left behind when the cover is removed. Access to the bearings may be provided from the casing side of the bearing unit to assist with the removal and replacement of the bearings. Most preferably, the bearings are from stock, and include both bearings and bearing races.
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