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YMM7N series is widely used, with strong interchangeability, non-tight sealing ring embedded, easy to replace. The push ring is stuck by the transmission partner to prevent the spring from falling off. Stationary ring can be limited, spring travel is limited, to avoid excessive wear of the spring.
YMM7N series is widely used, with strong interchangeability, non-tight sealing ring embedded, easy to replace. The push ring is stuck by the transmission partner to prevent the spring from falling off. Stationary ring can be limited, spring travel is limited, to avoid excessive wear of the spring.
