Model:1204-1209
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1.aligning angle: four degree
2. two rolling path on inside ring and two rows of balls
it has self-aligning function,it is applied in the works for which supporting seatbore can't ensure strict alike axis degree

1.aligning angle: four degree
2. two rolling path on inside ring and two rows of balls
it has self-aligning function,it is applied in the works for which supporting seatbore can't ensure strict alike axis degree


