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Provisions for lubrication specifications in equipment specification is the basis for the selection of oil the device, without instructions or regulations, used by the device of their choice. When selecting oil should be guided by the following principles:
A. velocity: FAG bearings speed oil ever higher, ever easy to form wedges, the choice of lubricants with low viscosity to ensure oil film. Selection of viscosity is too high, the resulting impedance, fever, overheating. Low speed operation, load bearing oil viscosity, should use a higher viscosity lubricants.
B. load bearing: FAG bearing load, the greater choice of higher viscosity of the lubricant. Low-speed heavy oil allowable load capacity should be considered.
C. working temperature: FAG bearing large temperature changes should use oils with high viscosity index, should be used under high temperature high viscosity and flash point, oil resistance and oxidation stability, has the appropriate additives to oils. Work under low temperature conditions should use a low viscosity low moisture, low temperature resistant oil with low freezing point.
D. working environment: FAG bearing moisture and fog environment should use strong anti-emulsification, good oil and Rust prevention oil, dust environment should take note of the large dust-proof seal. Corrosive gas environment should choose the good corrosion-resistant oil.
④ lubrication "five", "triple filter"
Lubrication work "five", "triple filter" is lubrication technology for daily management work of standardization, standardization, effective way to guarantee good lubrication. The contents are:
Five:
A. targeted: lubrication points lubricate parts and identify each device. Targeted to the oil.
B. qualitative: determine the variety of equipment needed to lubricate parts oil, grade and quality requirements, fueling mass must be tested by qualified.
C. quantitative: determine the number of parts of the oil fuel oil change at a time, the implementation of quota management and quantitative change oil fuel.
D. regular: defining the lubricated parts and change oil cycle, cycle come on, as required, add oil and cleaning oil change, oil storage capacity of the fuel tank, according to stipulations in the periodic sampling, determine the next inspection and oil change time.
E. person: identify operators, maintenance workers, workers on the lubrication of lubrication parts Division of come on, add oil and cleaning oil change, accountability, and work together on equipment lubrication.
Three filters:
A. library filtering: oil filter when the transport as well.
B. issue filter: oil injection lubrication when the container filter issued.
C. fuel filter: join an oil storage site in oil filter.
⑤ good lubrication requirements:
A. all lubricating device, such as fuel injectors, oil cups, oil, oil pump and system piping is complete, clean, easy to use, smooth;
B. all parts of the lubrication, lubrication chart click Run of "five" requirements go, elimination of the oil mill in;
C. oil down, linoleum is complete clean correctly placed;
D. oil mixed with cooling liquid does not deteriorate, not complied with;
E. vital parts such as sliding and turning a clean, thin film layers;
F. no oil leakage in all parts.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| NN3080 NTN | 400 | 600 | 148 |
| NN3076 NTN | 380 | 560 | 135 |