| 摘要 |
A top roll assembly includes a cartridge having an enlarged annular shoulder (A) carried internally intermediate its ends positioning bearings (B) and an alignment spacer with an annular ring (C) opposite the annular shoulder and flanges (D) at each end engaging an inner race of the bearings so as to maintain the bearings in an assembled relation and removably positioned upon a shaft by an end screw (E).
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