다울빛 이주여성 연합회

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Bella2021.02.22 17:19

Click here for more details about SKF W 628/6-2ZR bearing

Measure the size of the shaft and bearing housing holes to determine the matching accuracy of the bearing. The matching requirements are as follows: the inner ring and the shaft adopt an interference fit, and the interference amount is 0 ~ +4μm (0 at light load and high precision) ; The outer ring and the bearing seat hole adopt a clearance fit, and the amount of clearance is 0 ~ +6μm (but the clearance at the free end of the bearing can also increase the clearance); the roundness error of the shaft and the seat hole surface is less than 2μm, the bearing The parallelism of the end face of the spacer used is less than 2μm, and the runout of the inner end of the shoulder facing the outer end is less than 2μm; the runout of the bearing seat shoulder against the axis is less than 4μm; the inner end of the front cover of the spindle facing the axis is less than 4μm.

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