crossed roller bearing

Deep groove ball bearing with seals or shields

Single row deep groove ball bearings with seals or shields are particularly versatile, have low friction and are optimized for low noise and low vibration, which enables high rotational speeds. They accommodate radial and axial loads in both directions, are easy to mount, and require less maintenance than many other bearing types. The integral sealing can significantly prolong bearing service life because it keeps lubricant in the bearings and contaminants out.Integral sea

ling prolongs bearing service life

Simple, versatile and robust design

Low friction and high-speed capability

Accommodate radial and axial loads in both directions

Require little maintenance

Knowledge and introduction of bearings    :                                                                                                 

Crossed roller bearings are a type of high-precision bearing known for their exceptional load-bearing capabilities and accuracy. Here's a detailed introduction to crossed roller bearings:

1. Design and Construction:

• Crossed roller bearings consist of outer rings, inner rings, rolling elements (cylindrical rollers), and sometimes plastic spacers. The rollers are arranged in an X-formation, intersecting at right angles between the inner and outer rings, which allows them to handle both radial and axial loads simultaneously .

2. Load Capacity:

• Due to their unique design, crossed roller bearings can support axial forces from both directions, radial forces, tilting moment loads, and any combination of loads with a single bearing position. This capability can reduce the need for multiple bearing positions in designs .

3. Rigidity and Running Accuracy:

• These bearings are known for their high rigidity and running accuracy, making them suitable for applications requiring high precision. They are supplied with normal clearance, low clearance, or preload to meet specific application needs .

4. Applications:

• Robotics: They provide the rigidity, smooth motion, and accuracy needed for sophisticated tasks in less space .

• Machine Tools: They offer accurate, smooth motion for spindle heads and bearing shafts .

• Life Sciences and Medical: High precision makes them desirable for indexing tables in blood centrifuges and other lab equipment .

• Semiconductor and Electronics Fabrication: They deliver micron-scale accuracy demanded by the semiconductor industry for systems like pick-and-place and wafer handling equipment .

• Military and Aerospace: Used in airplane seat adjustment mechanisms and ground-based radar systems due to their high load capacity, accuracy, and rigidity .

• Food and Beverage: Spindles in food slicers and processors require the accuracy, durability, and cleanliness that crossed roller bearings can provide .

• Crossed roller bearings are used in a variety of industries and applications, including:

5. Manufacturing Process:

• The manufacturing process for crossed roller bearings involves precision machining to ensure the rollers and raceways are accurately formed and aligned. The outer ring is typically split and held together by retaining rings, allowing for easier installation .

6. Materials:

• Crossed roller bearings are often made from high-quality steel to ensure durability and load capacity. Stainless steel options are also available for applications requiring resistance to corrosion or use in cleanroom environments .

7. Advantages:

• Crossed roller bearings offer a compact design, space-saving capabilities, exceptional rigidity, and high load-carrying capacity. They excel in high-speed and high-precision applications, providing enhanced performance and reliability .

8. Versatility:

• Their versatility is evident in their implementation in diverse applications, from exoskeletal robots in physical therapy to stretching film machines and automated food shopping systems .

In conclusion, crossed roller bearings are indispensable components in many high-precision and heavy-load applications, offering a combination of load capacity, precision, and rigidity that is difficult to match with other types of bearings.

For further details on this product please directly contact our sales department under shh@dmsw.com 

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