Types and Applications of Tapered Roller Bearings in Papermaking Machinery
To ensure stable operation and efficient production, paper making machinery widely uses tapered roller bearings in various key parts. The following are some common types of papermaking bearing and their applications in paper making machinery:
1. Single-row Tapered Roller Bearings:
This type of bearing can bear large radial and axial loads. Paper machinery typically uses them in parts such as the drying cylinder, pressure roller, guide roller, and others.
2. Double-row Tapered Roller Bearings:
Paper machinery commonly uses double row tapered roller bearings in larger load-bearing parts, such as the pressing part, pumping roller, etc., due to their higher radial and axial load capacity.
3. Four-row Tapered Roller Bearings:
In papermaking machinery where the load is extreme, four rows of tapered roller bearings are typically used, such as the transmission side and the operating side bearing seat of the paper machine, to ensure the stable operation of the equipment under high load.
4. Paired tapered roller bearings:
This type of bearing is usually used in pairs to provide higher axial load capacity. In papermaking machinery, they are usually used in parts that bear large axial loads, such as coiler, etc.
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Papermaking machinery commonly uses several types of tapered roller bearings, including:
- 30200 series: This common series has high load capacity and wear resistance, suitable for medium load and speed applications.
- 30300 series: Another common series with higher load capacity and fatigue resistance, suitable for high load and speed applications.
- 32000 series: This series is suitable for higher loads and lower speeds, with high stiffness and stability.
- 32200 series: This series has high load capacity and good impact resistance, suitable for medium load and speed applications.
- 32300 series: This series has high load capacity and good wear resistance, suitable for high load and medium speed applications.
- 32900 series: This series is suitable for higher loads and lower speeds, with good wear resistance and high stiffness.
Tapered roller bearings are typically used in papermaking machinery to support the positions of support and guide rollers, providing stability and durability under high pressure and high-speed conditions. The specific type of bearing used depends on the load and speed requirements of the application, as well as the design and requirements of the machinery.
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