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Castor bearing and wheel frame selection

Castor bearing and wheel frame selection

1. Castor bearing selection

The importance of casters

Industrial casters are used in a very wide range of designs for almost any industry. According to the needs of different industries, people continue to invent all kinds of casters, in the world there are about 150,000 different kinds of casters used in various industries. Caster bearings are very important for casters.

Casters use many kinds of bearings, without it, casters will lose their value. Therefore, we suggest that the ideal bearing should be suitable for the respective application, and ensure that the necessary safety margin is left. In addition to the wheel face, wheel diameter and rotating bearings, wheel bearings determine the mobility of the caster, and even the quality of the caster.

For different use environment, there are different requirements. The universal wheel used in a factory is different from the casters used in a business, the casters used in a tool cart are different from the light casters used in hospital beds, and the requirements for the casters used in a shopping cart are certainly completely different from those used in factories for heavy loads. Generally speaking, there are the following four kinds of bearings:

1.1.Turling bearing: Turling is a special engineering plastic, suitable for wet and corrosive places, the flexibility of rotation is general, large resistance.

1.2.Roller bearing: heat treated roller bearing can bear heavy load, rotational flexibility is general.

1.3. Ball bearings: ball bearings made of high quality bearing steel can bear heavy load and are suitable for occasions requiring flexible and quiet rotation.

1.4.Plane bearing: suitable for high and extra high load and high speed occasions.

2. Castor wheel rack selection

1.Choose suitable wheel rack first consider the weight of the caster wheel bearing such as supermarkets, schools, hospitals, office buildings, hotels and other places, because the floor is good, the smooth handling of the goods is lighter, (each trundle bearing in 10-140 – kg), suitable for selection (2-4 mm) with a thin plate stamping plating wheel frame, the wheel frame is light, flexible operation, quiet and beautiful, The plating wheel frame is divided into two rows of beads and single row of beads according to the ball arrangement. If often moving or handling, use a double row of beads.

2.In factories and warehouses and other places, the cargo handling is very frequent and heavy load (each castor bearing in 280-420kg) is suitable for the selection of thick steel plate (5-6 mm) stamping hot forging and welding of double row ball bearing wheel frame.


3.If used for carrying heavy objects such as textile factories, automobile factories, machinery factories and other places, because of the heavy load and long walking distance in the factory (each castor bearing in 350kg – 1200kg), it should be selected to thick steel plate (8-12mm) after cutting welding wheel frame, movable wheel frame using plane ball bearings and ball bearings on the bottom plate, The casters can bear heavy load, flexible rotation, impact resistance and other functions.

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