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The bearing early wear for many reasons, summed up in the following five aspects:
The unreasonable design of the structure including error calculation; structure design, size, accuracy of improper; bearing alloy materials, coating materials and bearing a backing material, improper selection of lubricating oil.
The production process of defects, the processing quality is not high includes rolling bearing alloy casting, sintering, double sheet metal and coating plated process defects, the machining process backward, cause the microstructure, alloy material bearing components, performance and dimensional accuracy has not reached the design requirements.
The assembly process of bad including assembly backward technology, production management, no civilization is not strict; does not meet the assembly after the assembly precision of the original design requirements. Diesel engine before leaving the factory is not scientific, not appropriate running-in, will lead to the early damage of bearing.
The use and maintenance of poor maintenance includes specification is not perfect, maintenance system is not strict, manipulation of dereliction of duty, excessive overload, overspeed, or unexpected conditions and bad environment.
Failure in the other parts of the lubrication oil, filter selection or failure, the bearing or shaft neck too large deformation, damage, vibration will cause the corresponding bearing damage.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 17BGR02H NSK | 17 | 40 | 12 |
| 17BGR02S NSK | 17 | 40 | 12 |