How to use and lubricate KOYO bearings

China Chemical Machinery News: The proper lubrication of KOYO bearings' anti-friction bearings is critical to their successful operation. For ordinary or sleeve type bearings, there are different principles in different practices. In order for the party to maintain anti-friction bearings, these principles must be understood and applied.

[a] size limit. KOYO bearings usually have limited installation space. In most cases, the shaft (or bearing inner diameter) is based on mechanical design or other design limitations. Therefore, the choice of bearing type and size is based on the inner diameter of the bearing. Therefore, the main bearing size table is based on the size and preparation of the diameter table in the international scope.

There are a variety of forms, preferably in the use of mechanical devices, designed to measure bearings (the purpose is to easily purchase the bearing, in which it is placed on one side, some bearing catalogue entry models, but some non-standard bearings in mainland China KOYO bearing size size China, no spot, futures will be very long, sometimes, let time to consider the bearing selection and replacement of the capital) bearing load, its properties apply to the bearing load, size, direction is constantly changing . Normally, the basic load rating is shown in the size of the table. However, axial and radial loads, etc., are also an important factor in bearing selection. When the size of the ball and needle bearings, needle bearings, usually have a higher load capacity and withstand greater vibration and shock loads.

[B], speed, KOYO bearing type, size, accuracy, cage, load, lubrication, cooling method and other factors determine the speed based on the promise. The table lists the precision bearings and greases in the lubricant scale, according to the agreed speed. In general, deep groove ball bearings, self-aligning ball bearings and cylindrical roller bearings are used for high speed operation.

[C], KOYO bearing tolerances, dimensional accuracy and rotational accuracy of bearings are based on the International Organization for Standardization (ISO) and JIS scale. For high precision and high speed machinery, it is recommended to use 5 or more precision bearings, deep groove ball bearings, angular contact ball bearings or cylindrical roller bearings for high precision and mechanical operation. Elastic deformation occurs when the contact pressure between the rigid body and the moving bearing raceway. Some machines require less elastic deformation. It has a small elastic deformation than a ball bearing roller bearing.

[four], and in some cases, KOYO bearings pre-tightening to increase rigidity. This process is commonly used for deep groove ball bearings, angular contact ball bearings and tapered roller bearings with inner ring offsets, shaft bending, shaft or housing tolerance changes, and inner and outer rings with errors that will cause eccentricity. In order to prevent excessive degrees, the eccentric angle of self-aligning ball bearings, self-aligning roller bearings, spherical bearings is a better choice. Voice frequency and torque, the manufacturing precision of moving bearings is high, so voice and torque are small. Deep groove ball bearings and cylindrical roller bearings combine low sound and have special requirements for low torque applications.

[5], installation and removal, some applications often need to be disassembled and installed to ensure that they are tested and maintained. Can be installed inside and outside, such as bearing rings: cylindrical roller bearings, needle bearings, tapered bearings combined in this occasion. Self-aligning tapered bore and self-aligning ball bearings in the cylindrical sleeve roller bearings also simplify the installation process.

Lubricate with oil

The anti-transformation properties of oil-lubricated KOYO bearings are composed of the following factors: bearing design and load; oil viscosity, amount and bearing speed.

The friction torque is minimal when the amount of oil just forms a film on the contact surface. However, if the amount of oil is too much, the friction will increase when the viscosity of the oil is too high. However, the desire to maintain a safe lubrication with little attention to frictional losses is usually dominated by a majority. This means that there is more oil, usually heavier oil, that will be used to reduce losses due to evaporation or leakage.

Lubricate with grease

When grease is added to anti-friction bearings, high pressure theory may not be required unless it is used with great care. High pressure can damage bearings and waste grease. Excessive grease can cause high temperatures and create an invisible environment around the bearings. KOYO Bearings In most applications, ball or roller bearings are fully lubricated if the grease level is between one-third and one-half of the bearing capacity. The excess will usually be wasted by the sealed casing.

It is necessary to use more than the recommended amount of grease in practice. When the required torque is low, only a very small amount of grease is required to complete the lubrication of the bearing. When the speed is very low and the KOYO bearing is exposed to dust or moisture, the bearing may almost fill up. Bearings typically require more frequent lubrication under high speed and high temperature conditions than would normally be the case.

Store grease in a clean container. KOYO bearings use a clean slurry or grease gun to grease the bearings. Keep the lid on the grease container. The grease on the bearings must not be too full. The lubricant will emerge from the overfilled bearing housing, absorbing dirt and causing trouble. Too much lubricant can also cause the bearing to overheat. This phenomenon is particularly prone to occur on high speed shafts - the flipping of the lubricant causes overheating.

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