The development of my country's miniature bearing market
The development of my country's miniature bearing market
PRODUCT
The speed of the rolling bearing
by：Waxing
2020-11-24
There is a limit to rolling bearing speed.
In general, the speed limit by the operating temperature of the lubricant or raw materials to set up the bearing components.
To limit the speed of the operating temperature is caused by friction heat in the operation of the bearing (
Contains all outsiders calorific value)
From the rolling bearing, and to be able to release heat.
Bearing type and specification, the internal design scheme, load, lubrication and cooling, and its bearing design, precision, and the internal clearance, these are the harms speed.
In the form of goods, generally two kinds of speed: (
Hot)
Reference speed and (
Fitness)
The values of speed limit, the two speed is given by the specification.
Reference speed in the commodities listed in the form
Hot)
Reference speed is a kind of reference for decision making under certain load and lubricant viscosity standard allows the running speed of rolling bearings.
List of reference velocity value is the ISO 15312 standard (
The specification does not include thrust ball bearing)
。
This is ISO standard for oil lubrication, but as reasonable plant grease lubrication.
A given bearing reference speed ratio means that its speed under certain special operational standards.
At this speed, bearing the calorific value and released from bearing to the shaft rod, bearing seat to achieve a balanced and calorific value of lubricant.
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