Wide width, high speed, specialization, high continuity. From pulp to finished paper, a series of rolls are required, all of which are supported by rolling bearings.
Each part of the spoke structure and function is different, so the bearings are proposed to Next request.
1 - Reliability for online use:
The paper machine should ensure continuous and uninterrupted operation, and ensure normal maintenance before stopping the machine. Therefore, when selecting and configuring bearings, high on-line reliability is the most important reference index.
2 - Ease of installation and removal:
During normal maintenance, quick dismounting and mounting of bearings can minimize downtime and create more value.
3 - Unusual automatic compensation:
Factors such as length of roll, temperature and bearing support position may cause axial elongation of the shaft, resulting in misalignment or axial misalignment of the bearings, which must be adapted to the changing operating conditions.
4 - Resistant to corrosion and partial temperature increasing:
The high humidity in the wet end of the machine can seriously jeopardize lubrication and ultimately affect bearing life, while the high operating temperatures of the dryer and bearings in the dryer section of the machine also affect bearing lubrication. Therefore, higher requirements are put on the bearings.
5 - Accuracy and RPM adaptation:
When configuring and selecting bearings, the adaptability of the bearings at high speeds must be taken into account.
Spherical Roller Bearings CA Series
Product advantage
1 - Increase in ferrule toughness
Due to the use of ZWA customized special bearing steel and unique heat treatment method, the ability of the inner ring of the bearing to resist cracking due to the increase in mating stress caused by the rise in shaft temperature has been greatly improved.
2 - Dimensional stability in high-temperature environments
The products are treated with a special process to ensure the dimensional stability of the bearings in high temperature environments (operating temperature of 200℃)
3 - Long life
Due to the improved wear resistance of the raceways and rolling elements of the longer life than other types of bearings in case of foreign body intrusion.
Spherical roller bearings with ACA cage
1 - Greater load carrying capacity and higher limiting speeds than the old M cages bearings.
2 - This series of bearings is equipped with tough anti-friction copper alloy cages and internal specially reinforced design fittings.
3 - As bearings for large spokes in papermaking equipment, the tapered bore design facilitates mounting and is available in a variety of sizes.
4 - With outer ring oil hole and oil groove or non-standard customized inner ring oil hole and oil groove.
(Operating temperature limit up to 200℃, high precision P5 dimensional tolerances and rotational accuracy.)
Spherical roller bearings with MB cage
Compared with other types of spherical roller bearings, the MB structure of ZWA adopts split brass cages, the rolling body adopts curved surfaces, and the rolling body and cages are guided by the fixed guiding edges on the inner ring, so that it can withstand higher rotational speeds and provides smoother rotation in the case of axial misalignment.
1 - Bearing life increased by approximately one time.
2 - Low noise and vibration reduced to 25%~40%
3 - More than on times the strength of the cage.
4 - 10%~15% increase in limiting rotational speeds.
5 - Reliability of bearings increased by a factor of 1.
As an important manufacturing industry, the paper industry has a wide range of applications around the world. In this industry, the operating efficiency and stability of mechanical equipment has an important impact on the production efficiency. As an important mechanical transmission element, the spherical roller bearing plays an important role in the paper industry.
ZWA is constantly innovating and finding new solutions to provide our paper customers with high quality spherical roller bearings that increase load capacity, adapt to high speed operation, complex conditions and long service life.
Choose our ZWA bearings for quality and reliability to ensure the success of your project.
