Many customers know that angular contact ball bearings are generally used in pairs, so what are the specific steps for pairing angular contact ball bearings? This article will give you a detailed introduction, and the following steps are applicable to universal paired angular contact ball bearings. Step 1: Ensure the installation environment, clean the shaft, bearing housing and other parts; Step 2: Measure the size of the shaft and bearing housing, cylindricity, vertical angle of the collar, etc.; Step 3: Turn on the angular contact Ball bearing outer packaging, wipe off the anti-rust oil on the surface of the inner and outer rings, and inspect the appearance of the bearing; Step 4: The installation position of the angular contact ball bearing must be installed correctly, and it must be installed back to back; Step 5: Use an electric heater to heat Warm bearings, to ensure that the inner ring of the temperature measurement camera, paired double row angular contact ball bearings should be heated together; under normal circumstances, the ambient temperature of the bearing is 70°C higher than that of the shaft, and the maximum ambient temperature of the bearing cannot exceed 120°C . (Bearings must be demagnetized) Step 6: Install angular contact ball bearings, and install two pairs of single-row bearings together; Step 7: Use a wrench and lock nut to manually lock the bearing to the appropriate position to ensure that the inner circle is tightened on the shaft Shoulder, the inner circles of the paired two kinds of angular contact ball bearings are close to each other; (no locknut is added at this time) Step 8: Wait for the bearing to cool to room temperature; Step 9: Remove the lock nut and install Locknut, and then install the nut, the standard allows, you can apply a layer of slick oil on the rounded corner of the locknut; Step 10: Install the nut to a suitable position, lock it with a wrench, and screw it manually In some cases, you can use the hammer to tighten another 1/8 - 1/4 turn to remove the gap formed during the refrigeration process; Step 11: Find the locknut foot closest to the locknut groove, if not The ends are aligned, there is no need to loosen the locking nut to align the locking groove at both ends, and the nut can be tightened again to align with the two ends of the recent sealing ring feet, and then bend the sealing ring feet to the groove body; Step 12: Install , Manually turn the bearing to check whether there is poor running, excessive torque, unstable torque, etc. Step 13: If the next step is not carried out immediately, the parts need to be covered and protected to prevent debris from entering. Step 14: For angular contact ball bearings with back-to-back layout, the outer fixation can be relatively loose and fixed in the bearing seat, and it is best to leave a radial backlash of 0.00~0.05mm. Only when the torque is accurate can the rotation be stable!
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