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調心球軸承簡介 ：調心球軸承是一種帶球面外圈滾道的雙列軸承。內圈、球、保持架可以在軸承中心周圍自由旋轉，具有調心性。其調心能力可以對對中誤差、軸變形和軸承座變形進行補償。調心球軸承適用于軸和上殼對中心
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