滚针轴承K75*83*30滚针保持架组件K758323挖掘机叉车齿轮箱轴承K758335 K758340
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产品尺寸规格：
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型号
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参考重（g)
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内径（mm)
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外径（mm)
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高度（mm)
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K758323
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113
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75
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83
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23
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LWB-K Standard: the Radial clearance is determined by
belonging roller ed group and by tolerance of raceways which are obtained
on shafts or on housings.
Shaft raceways and housing raceways hardness must be in HRC
from 58-64 seen that a lower hardness can reduce load ability.
Lubrication:
LWB needle roller and cage assemblies can be oil or grease
lubricated , this depends on the conditions of utilization.
LWB Standard:A greater lubrication protects the cage from
humidity and has a greater ability to keep the heat, furthermore it avoids leak
of lubricant.
on the other hand it prevents from reaching high speeds
that can be obtained from oil lubrication.
with an oil lubrication hihger speeds can be reached but
greater leak of lubricant and smaller protection from external factors such as
dust cool humidity are present.
 
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