Structure of Crossed Roller Bearings
\n1. Inner Ring
\n\u2022 Mounted on the shaft, with V-shaped or U-shaped raceways.
\n\u2022 Some models feature a split inner ring for easier roller installation.
\n2. Outer Ring
\n\u2022 Fixed to the housing, with corresponding grooves forming the raceway.
\n\u2022 Split outer ring designs are also available.
\n3. Cylindrical Rollers
\n\u2022 Arranged at 90\u00b0 to each other (adjacent rollers perpendicular, one carries radial load, the next carries axial load).
\n\u2022 This design allows a single bearing to simultaneously support radial, axial, and moment loads.
\n4. Cage or Spacer
\n\u2022 Separates the rollers to prevent mutual friction.
\n\u2022 High-precision models often use resin spacers for low friction and high rigidity.
\n5. Seals (optional)
\n\u2022 Prevent dust and contaminants from entering the bearing.<\/p>\n
\u2e3b<\/p>\n
Features and Functions of Crossed Roller Bearings
\n1. High Rigidity
\n\u2022 The crossed arrangement provides a large contact area, offering higher rigidity than ball bearings.
\n\u2022 Suitable for high-precision positioning and heavy-load applications.
\n2. Combined Load Capacity
\n\u2022 A single bearing can support radial, bi-directional axial, and moment loads.
\n\u2022 Eliminates the need for multiple bearing combinations, saving space.
\n3. High Rotational Accuracy
\n\u2022 Clearance can be adjusted to near zero or preloaded.
\n\u2022 Ensures high rotational precision and minimal positioning error.
\n4. Compact Structure
\n\u2022 Can replace paired angular contact bearings or tapered roller sets, saving installation space.<\/p>\n
\u2e3b<\/p>\n
3. Typical Applications
\n\u2022 Robotic joints \/ reducer output shafts (high rigidity, torque support)
\n\u2022 Machine tool rotary tables \/ CNC worktables
\n\u2022 Optical equipment (telescopes, laser rotation mechanisms)
\n\u2022 Semiconductor equipment (wafer alignment platforms)
\n\u2022 Radar \/ aerospace rotary mechanisms<\/p>","protected":false},"excerpt":{"rendered":"
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