Accurate version of the outer ring clearance measurement formula for FAG bearings
The outer ring of the FAG bearing is measured for the clearance when the roller is in a sag state. First, ensure that the FAG bearing's straight posture rotates the outer ring 1/2-1 turn to the left and right, and any one of the two rows of roller rows is directly below. The clearance is measured with a feeler gauge, and the measured portion is somewhat different depending on the outer diameter of the outer ring of the INA bearing. The bearing clearance of the outer ring outer diameter greater than 200mm is measured by inserting the feeler gauge between the two rows of rollers and the outer ring directly above the FAG bearing and between the two rows of rollers and the inner ring at the left and right symmetrical positions of the bearing center. Internal clearance. The internal clearance r of the FAG bearing is: the internal clearance of the bearing between the two rows of rollers directly under the bearing and the outer ring is set to rS1`rS2, and the internal clearance above the bearing is set to rS.rS= 1/2 (rS1+rS2) The clearance between the inner bearing of the bearing measured between the two rows of rollers and the outer ring at the left and right symmetrical positions of the bearing center and between the two rows of rollers and the outer ring on the left side, Set rL1`rL2 separately, set the internal clearance of the left bearing to rL.rL=1/2(rL1+rL2) and set the clearance measured between the two rows of rollers on the right side and the outer ring. For R1`rR2, the internal clearance of the bearing on the right side is set to rR.rR=1/2 (R1+R2). The internal clearance of the bearing is obtained by the following equation. r = 1/2 (rS + rL + rR).
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