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Determination of the clearance of INA imported bearings mounted on shafts or adapter sleeves
Source: Bearing network time: 2013-08-23
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Determine the outer ring price of the INA bearing when the roller is in a sagging condition. Firstly, ensure that the bearing's straight posture changes to the outer ring 1/2-1 circle; the two rows of rollers are free to one roller. Use the feeler gauge to measure the play; the measured part is different according to the outer diameter of the outer ring of the INA bearing.
The bearing clearance of the outer ring with an outer diameter of more than 200 mm is measured by piercing the feeler between the two rows of rollers and the outer ring directly above the INA bearing and between the two rows of rollers and the inner ring in the middle of the opposite bearing; Bearing internal clearance. Bearing internal clearance r 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; the internal clearance above the bearing is set to rS.
rS=1/2(rS1+rS2)
The internal clearance of the bearing measured between the two rows of rollers in the left and right symmetrical directions of the bearing and the clearance between the two rows of rollers and the outer ring on the left side; the separation is set to rL1`rL2; Set the internal clearance of the bearing on the left side to rL.
rL=1/2(rL1+rL2)
The clearance measured between the two rows of rollers on the right side and the outer ring is set to R1'rR2, and the internal clearance of the bearing on the right side is set to rR.
rR=1/2(R1+R2)
Use the following formula to find the internal clearance of the bearing.
r=1/2(rS+rL+rR)
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