Application and advantages and disadvantages of graphite bearings

Bearing is a kind of common sliding parts in mechanical industry, which is made of metal, nonmetal and composite materials. Graphite bearing is a kind of graphite bearing developed on the basis of metal bearing with the performance requirements of mechanical equipment. The main base material is graphite material.


Bearings are divided into rolling bearings and sliding bearings, graphite lubricated bearings are mostly used for sliding bearings. It is applied to the bearings of transporters, dryers, textile machines, submersible pump motors and other industrial sectors such as food, beverage, textile and chemical industries. If grease lubricant is used in these parts, it will inevitably cause pollution, while graphite bearing has strong self-lubricating property and corrosion resistance, so it can run for a long time without lubricant.



The lubricant of graphite inlaid bearing is generally solid lubricant, which is composed of a variety of materials with good lubricating performance and inlaid in the bearing and sliding block to play a self-lubricating role. Under some special conditions, it can replace the traditional lubricant to obtain good self-lubricating effect.


Graphite bearing has more advantages than metal bearing, mainly in self lubrication, high temperature resistance, corrosion resistance, light weight and so on. Bearings are divided into rolling bearings and sliding bearings, graphite bearings are mostly used for sliding bearings. It is applied to the bearings of transporters, dryers, textile machines, submersible pump motors and other industrial sectors such as food, beverage, textile and chemical industries. If grease lubricant is used in these parts, it will inevitably cause pollution, while graphite bearing has strong self-lubricating property and corrosion resistance, so it can run for a long time without lubricant.


Wear of graphite bearing: the wear of graphite bearing depends on its material, shaft material and surface condition, total pressure, speed and surrounding environment. Generally speaking, the static friction of graphite bearing is smaller than that of metal bearing under the same condition. The wear resistance of copper graphite bearing based on graphite bearing has been greatly improved.



Graphite bearing has complete specifications, rich models, convenient installation and wide application range. The main applications are as follows:


1. It should be used in the place where grease lubricant is not allowed to be used when the bearing is running


For example, transporters used in the industrial sectors such as food, beverage, textile, chemical, etc. In these places, the use of grease lubricant is prohibited, and the self-lubricating performance of carbon graphite bearing is very strong, so it can be widely used in these departments without using lubricating oil for dry operation.


2. It should be used in places where ordinary bearings cannot be used due to high temperature


Carbon graphite bearings can be used for bearings of ingot conveyor, boiler preheater, vent valve and blower of flame tube in boiler room, material conveyor of high temperature furnace, feeder in iron and steel industry and regulator of flue valve, which can ensure its normal operation.


3. Application in chemical and textile industries


Some bearings run in corrosive gas or liquid. In this case, not only the use of grease lubricant is prohibited, but also the metal bearings will be corroded quickly. Due to the corrosion resistance of graphite bearing, it has been widely used in these industries.

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Company Details

Jiaxing Roncan Bearing Co.,ltd is specialized in the manufacture and distribution of a large range of copper alloys which incorporate continuous cast and machined parts, centrifugal castings, wrought copper alloys, bars, sheets and plates, bronze wear plates and finished machined parts.

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