The experience of the rolling bearing methods produced

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(1) the heart to ball bearings identification
Technology of normal to the heart ball bearings, them, and outer ring groove should be no spalling and serious grinding mark, and with the light of a circular groove; All the ball should ke ep circle, the surface does not have spots, cracks and spalling; Maintains a loose, not broken, did not wear out. When using a handheld inner circle, the other hand quickly jog outside rotates, the requirements smooth rotation, only hear the ball rolling in on the slight rolling sound, no vibration; Stops should be gradually slow, stop without any setback, normal to xinxin ball bearings, between them, and between roller clearance for 0.005 0.010 mm, when the radial shaking inside and outside lap, should feel no clearance. Used bearing, can by hand with inner ring along the axial shaking a few times, when outer ring and ball have obvious when sound, it shows the gap with more than 0.03 mm, should not continue to use.ball bearing company
(2) the tapered roller bearing identification
Bearing after use, should check with roller ring in groove if there is peeling, maintains a whe ther too loose desert, inner ring around the edge is complete, outer ring groove whether there is a crack in it. Inner ring and outer ring in combination roller, roller should fall into the groove among, moved forward quantity does not exceed 1.5 mm. Among them are a is unqualified, which can not be used.
(3) spherical roller bearing and short cylindrical roller bearing identificationchina ball bearing
This type of bearings is separable outer lane. The normal state, inner and outer groove and roller should be no broken, hemp dot and deep grinding mark; Keep frame should be no deformation and roller curl, the circle; Inner and outer groove and the roller with clearance should be no more than 0.06 mm.
(4) thrust ball bearing identification
Normal condition, two groove should be no serious injury and spalling wear, the ball should be no broken and hemp dot; Keep frame should be no deformation, and two groove together, gasket, and ball firmly curl together.ball bearing manufacturer