FIELD: transport.
SUBSTANCE: proposed roller comprises tube, shaft beating seta and labyrinth seal on tube every end. Said labyrinth seal comprises seal ring and seal cover. Positioning flange is arranged atop the bearing seat. Seal ring has bulged ring and cleaner. Cover sealing ring fits in between bulged ring and cleaner.
EFFECT: higher reliability.
10 cl, 13 dwg
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|---|---|---|---|
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