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Causes early damage of NTN bearings
Source: China Bearing Network Time: 2014-06-16
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First, the equipment is not appropriate (about 16%)
1, the use of brute force equipment; direct impact with the hammer on the NTN bearing damage is the primary cause of deformation.
2. The equipment is not in place; the equipment has errors or is not loaded into the NTN bearing position; the NTN bearing clearance is too small. The inner and outer rings are not in the middle of the same rotation;
Advocate: Select appropriate or professional NTN bearing equipment; equipment should be tested with special equipment.
Second, poor smoothness (about 50%)
According to the survey; poor smoothness is one of the primary reasons for the premature failure of NTN bearings. The main reasons include: no smoothing agent or smooth oil is added in time, smoothing agent or smooth oil is not filled in place, smoothing agent or smooth oil is not selected. Proper, smooth method is not correct, etc.
Advocate: Pick the right smoothing agent or smooth oil; use the correct smooth filling method.
Third, pollution (about 14%)
Pollution will also lead to premature damage of NTN bearings; pollution refers to the presence of dust and metal chips into the NTN bearing. The main reason is: prematurely open NTN bearing packaging before use; forming pollution, equipment is unsanitary; Pollution, NTN bearing operating environment is unsanitary; working medium pollution.
Advocate: Do not disassemble the packaging of NTN bearings before use, and adhere to the sanitation of the equipment environment; remove the NTN bearings to be used, and strengthen the sealing equipment of NTN bearings.
Fourth, tired (about 34%)
Excessive damage is a common method of damage to NTN bearings. The common cause of fatigue damage may be: NTN bearings are overloaded for a long time, not repaired in time, repairs are not proper, equipment is aging, etc.
Proposition: Pick the right NTN bearing type; replace the tired NTN bearing in time.
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