Precision SKF bearings installed correctly

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For precision SKF bearing products for installation, install them one over to pay attention to some of the things, if it is not installed, will SKF bearing life is not long. If you want to install the SKF bearing should understand installation SKF bearings, so as to ens ure the SKF bearing damage during installation. Below I introduce SKF bearing installation precision calibration method:
Measurement axis and SKF bearing hole size to determine SKF bearings with accuracy, with the following requirements,bearing factory
(1) the inner ring and the shaft to take the interference fit, the amount of interference 0 ~ +4 μm (at light load, high-precision, 0);
(2) the outer ring SKF bearing hole to take a clearance fit, the amount of backlash 0 to +6 μm (but free end SKF bearing, angular contact ball bearings, can also increase the gap);
(3) The surface of shaft and housing bore roundness error in 2μm
(4) SKF bearings used in parallel to the end face of the spacer degree 2μmspindle bearing
(5) shaft shoulder face external end face beat in 2μm
(6) SKF bearing hole retaini ng shoulder on the axis of the beating in the 4μm
(7) the spindle inside the front cover side facing the axis of the beating in the 4μmbig ball bearing