Commonly used methods for adjusting radial clearance of full complement roller bearings

1. For the side clearance of cylindrical and elliptical bearing bushes, it can be adjusted by manual grinding and scraping or the method of repairing and scraping after adding padding and turning in the middle of the bearing. 2. For the top clearance of cylindrical and elliptical bearing bushes, it can be adjusted by manual grinding and scraping or by adding pads to the bearing middle face when the situation permits. 3. For the fixed bearing bush with multiple oil wedges, in principle, it is not allowed to repair and adjust the bearing bush clearance. If the clearance is not suitable, the new pad should be replaced. 4. For multi-oil wedge tiltable bearing pads, scraping pads are not allowed to be repaired, and the pads should be replaced when the clearance is not suitable. For tiles with adjustable thickness, the amount of tiles can be adjusted by adding a stainless steel pad under the adjustment block behind the tile, or by reducing the thickness of the adjustment block. Note that for multi-oil wedge tiltable bearing pads, the thickness error between the pads in the same group should be less than 0.01mm. The roller and the raceway are in line contact or trimmed line contact, and the radial bearing capacity is large, which is suitable for bearing heavy loads and impact loads. The friction coefficient is small, suitable for high speed, and the limit speed is close to deep groove ball bearings. Type N and Type NU can move axially and can adapt to changes in the relative position of the shaft and the housing caused by thermal expansion or installation errors, and can be used as free end supports. The processing requirements for the shaft or seat hole are high, and the relative deflection of the outer ring axis after the bearing is installed should be strictly controlled to avoid contact stress concentration. The inner or outer ring can be separated for easy installation and removal.

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