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KOYO needle roller bearing device in cylindrical inner space
Source: China Bearing Network Time: 2013-07-02
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When the inner ring of the KOYO needle roller bearing is tightly engaged with the shaft and the outer ring bearing housing hole is a loosely coupled non-detachable bearing device; the bearing can be mounted on the shaft first by the press; then the shaft is mounted together with the bearing Inside the bearing housing bore; if the bearing is small; you can also use a soft metal hammer to tap the end face of the ferrule to force the bearing to reach; but the tapping force must be evenly distributed on the bushing ring.
KOYO needle bearing outer ring and bearing housing hole are tight cooperation, inner ring and shaft are loosely cooperative; the bearing can be mounted on the shaft first. When KOYO needle bearing ring is tightly engaged with shaft or bearing housing hole 4. Use a special device sleeve to press the bearing onto the shaft or housing.
The KOYO needle roller type bearing device can be easily attached to the shaft or the bearing housing because the inner ring and the outer ring are easily attached. At this point, it should be paid attention to the fact that the shaft that has been installed inside the inner ring is pierced into the bearing box with the outer ring installed; try to keep it concentric; to prevent scratching the rolling body and the raceway.
When the KOYO needle roller bearing has a large scale; because the required device force is large; or the bearing cooperation with heavy load operation has a large interference, it is difficult to select a cold device; then the bearing inner ring or the bearing housing is required in advance. After heating, the device should be carried out. In the hot state device; the heating temperature should be strictly controlled. When heating the bearing; the heating temperature should not exceed 1200C; usually it should be 80~1000C. The bearing with dust cover or sealing ring can not be heated; otherwise it will The formation of lubricant is lost. The heating method can be selected by electric induction, oil bath heating, etc.
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