| 摘要 |
A spindle bearing and lubrication system having bearings supporting a shaft for rotation within a housing to which the outer bearing rings are keyed. End retainers and a spacer locate the bearings axially, and, with the bearings, define annular lubricant cavities on both sides of both bearings. Lubricant inlet passages lead through the housing and spacer to the lubricant cavities. Lubricant outlet passages lead from the lubricant cavities through slots in the bearings, in the retainers, in the key, and in the housing keyway, and finally through a filter which prevents the entry of solid contaminants in the event of reverse flow.
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