Why the force analysis is so important for cone roller bearing?

The cone roller bearing is suitable for withstanding radial loads, one-way axial loads and combined radial and axial loads. The axial load capacity of the cone roller bearing depends on the contact angle α, that is, the outer ring raceway angle. The larger the contact angle α, the greater the axial load capacity.

Generally, cone roller bearings are not allowed to have angular errors, but the surfaces of the rollers and raceways are specially designed to allow angular errors of 2' to 4'. The single-row cone roller bearing can withstand axial loads in one direction and can limit axial displacement of the shaft in one direction relative to the housing. Even under the action of pure radial load, the additional axial component force is generated inside the cone roller bearing. At this time, an equal amount of reverse force is needed to balance it.

Usually, two single-cone roller bearings of the same structure are used in two supports to face each other or face to back. In order to ensure good running condition of the bearing, cone roller bearing, like other ball bearings and roller bearings, must apply a certain amount of minimum load. Especially for high speed, high acceleration, or working under frequent conditions in the load direction.

Because of these conditions, the inertial force of the roller and the cage and the friction in the lubricant will adversely affect the rolling and rotation accuracy of the bearing, and there may be a slippage between the roller and the race that may be harmful to the bearing. motion.
The minimum load Fmin required for a tapered roller bearing can be estimated by the following formula: Fmin = 0.02C, where C – the basic dynamic load rating, which may be required in the case of a low temperature start or a high viscosity of the lubricant. Minimum load.

Typically, the weight of the cone roller bearing itself plus the load on the bearing has exceeded the minimum required load. If the minimum load has not been reached, this type of bearing must be subjected to additional radial loads, such as axial pre-tensioning of the cone roller bearing to meet minimum load requirements.

The use of each cone roller bearing, we are most concerned about the core value of such products and the various factors affecting this core value. For tapered roller bearings, its efficiency is greatly affected by its force.

 

Therefore, it is very important to analyze the force of the cone roller bearing. This is not only the knowledge that the user should master, but also the way to promote the promotion of such products.

ZYSL company specializes in cone roller bearing for many years. All raw materials and accessories have been carefully selected to ensure a good user experience.

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