Cylindrical rollers in bearings typically require quenching to improve their hardness and wear resistance. Quenching is a heat treatment process that involves heating the material to a certain temperature and then rapidly cooling it to change the material's internal crystal structure, resulting in increased hardness and strength. By quenching cylindrical rollers, they can have increased wear resistance and durability, which extends their service life.3x1,3x1.5,3x2,3x2.2,3x2.5,3x2.7,3x3,3.5x5,
However, the quenching process can also cause problems such as deformation or cracking in the parts, so it requires careful control and monitoring to ensure the quality and consistency of the parts. Proper quenching techniques and parameters need to be used, such as the appropriate quenching medium and cooling rate, to achieve the desired properties in the cylindrical rollers.
Cylindrical rollers can be used in air cylinders or hydraulic cylinders to support the movement of the piston and reduce friction between the piston and the cylinder bore.
In a pneumatic or hydraulic cylinder, the piston is typically supported by one or more sets of cylindrical rollers, which are arranged around the circumference of the piston and engage with the cylinder bore. As the piston moves back and forth, the cylindrical rollers roll along the bore, reducing friction and wear.
The use of cylindrical rollers in air or hydraulic cylinders can improve the efficiency of the system, by reducing friction and minimizing the energy required to move the piston. This can lead to faster response times, smoother operation, and improved overall performance.
The selection of the appropriate cylindrical roller size, material, and accuracy depends on the specific requirements of the cylinder and the application. The load capacity, stroke length, and operating temperature of the cylinder are important factors to consider when selecting cylindrical rollers for use in the bearings.
In addition to the piston bearings, cylindrical rollers can also be used in other components of the cylinder, such as the rod bearings or end caps, to provide support and reduce friction in the system. Proper lubrication is critical to the performance and longevity of the cylinder, and the use of high-quality cylindrical rollers can help ensure the reliable operation of the cylinder over its lifetime..
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D*L | D*L | D*L | D*L | D*L | D*L | D*L | D*L | ||
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1x1 | 1.2x1.2 | 1.5x1.5 | 2x2 | 2.2x2.2 | 2.5x2.5 | 3x1 | 3x1.5 | ||
3x2 | 3x2.2 | 3x2.5 | 3x2.7 | 3x3 | 3.5x5 | 4x6 | 4.5x4.5 | ||
5x5 | 5x10 | 5.5x8 | 6x8 | 6x12 | 6.5x9 | 7x10 | 7.5x7.5 | ||
7.5x11 | 8x10 | 9x9 | 9x14 | 10x11 | 11x11 | 11x15 | 12x14 | ||
13x13 | 14x14 | 15x15 | 15x22 | 16x17 | 17x17 | 18x18 | 18x26 | ||
19x20 | 20x20 | 21x21 | 22x22 | 22x34 | 24x24 | 24x36 | 25x36 | ||
26x28 | 28x28 | 30x30 | 32x32 | 34x34 | 36x36 | 38x38 | 40x40 | ||
loose rolling elements, cylindrical rollers, precision rollers,bearings rollers only |