Bearing box installation and precautions

   Bearing housing installation:


1, standard type


Several methods of mounting the bearing housing with snap rings and retaining plates.


Mounting the bearing with the set screw will cause the bearing casing to deform and should be avoided as much as possible.


2, flange type


When installing a flange type linear bearing, the precision of the surface of the bearing housing must be accurate.


3, adjustable type (small opening type)


The bearing is perpendicular to the opening in the bearing housing to obtain a uniform preload in the circumferential direction.


4, large opening type


If used in conjunction with a suitable housing, large-open bearings can also be adjusted for clearance, even with light preload.


5, precautions during installation


When the linear bearing is installed in the bearing housing, auxiliary work should be used to avoid direct tapping of the end face or the sealing ring. The bearing should be evenly introduced, and the buffer plate should be used to load it with a gentle tap.


To thread the optical axis into the linear bearing, the shaft and the centerline of the bearing must be aligned. If the shaft is inserted obliquely, the balls may fall off or cause the cage to be deformed and damage the linear bearings.


The applied load should be evenly distributed over the entire bearing, especially when subjected to transient loads. Two or more bearings should be used. Linear bearings are not subject to rotating loads, which can cause accidents.

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Self-lubricating bearing applications

    1. SF-2 Boundary Lubrication Bearing: Acidic polymethyl aldehyde with high wear resistance. The bearing surface has a regular arrangement. The oil storage pit must be coated with grease when it is assembled. It is especially suitable for high load and low speed. The following rotary motion, rocking motion and the part that is often under load and open and closed are not easy to form fluid lubrication. Under boundary lubrication conditions, it can be used for a long time without oiling and maintenance, and the process can be used to increase the service life of the bearing. More extension, currently applicable to metallurgical machinery, mining machinery, hydraulic machinery, auto parts, construction machinery, agricultural machinery.

    2. Oil-free self-lubricating bearing: The product is made of steel plate as the base, the middle layer is sintered with spherical bronze powder, and the surface layer is rolled with a mixture of polytetrafluoroethylene [ptfe] and lead. It has the characteristics of small friction coefficient, wear resistance and corrosion resistance, oil-free self-lubrication and long service life. It can reduce cost, reduce noise and prevent sticking and slipping. It is widely used in various mechanical sliding parts such as printing machines, textile machines, hydraulic pallet trucks, tobacco machines, medical machinery, fitness equipment, micro-motors, automobiles, motorcycles, etc.

    3. Metal-based inlaid solid self-lubricating bearing: It is a novel lubricated bearing that combines the characteristics of metal bearing and the characteristics of self-lubricating bearing. The metal matrix bears the load, and the specially formulated solid lubricating material acts as a lubrication. It has the characteristics of high bearing capacity, impact resistance, high temperature resistance and strong self-lubricating ability.

    4. Traditional oil-impregnated bearings: Due to the advantages of low hum and self-lubrication, oil-impregnated bearings have become the new darling of computer CPU fan bearings, and the market demand is large;

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