Compact and high-rigidity swivel bearing! Achieves excellent rotational accuracy!
Cross roller bearings are designed with cylindrical rollers arranged alternately in a perpendicular pattern on a 90° V-groove rolling surface, allowing a single bearing to support loads in all directions, including radial, axial, and moment loads. [Features] - Excellent rotational accuracy - Prevention of skew - Easy handling - Significantly increased rigidity (3 to 4 times) - High load capacity
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basic information
[Lineup] ○ RU type (integrated inner and outer ring) ○ RB type (split outer ring, for inner ring rotation) ○ RE type (split inner ring, for outer ring rotation) ○ RB/RE type - USP ○ RA type (split outer ring, for inner ring rotation) ○ RA-C type (single split type)
Price range
Delivery Time
Applications/Examples of results
For more details, please contact us.
Detailed information
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RU shape (integrated inner and outer ring) Due to the integrated inner and outer ring structure with mounting holes, a retaining flange and housing are unnecessary, allowing for easy installation. Additionally, there is almost no impact on performance from assembly, resulting in stable rotational accuracy and torque. It can be used for both inner ring rotation and outer ring rotation.
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RB type (outer ring split type, for inner ring rotation) This is the basic form of a cross roller ring with a split outer ring and a one-piece inner ring structure. It is used in areas where high rotational accuracy of the inner ring is required. Applications include use in the swiveling parts of indexing tables in machine tools, among others.
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RE type (inner wheel split type, for outer wheel rotation) The RB type has the same main dimensions, but is used in places where high rotation accuracy of the outer wheel is required.
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The rotational accuracy of the RB type / RE type - USP series exceeds the world's highest precision standards set by JIS Class 2, ISO Class 2, DIN P2, AFBMA ABCE9, and is classified as ultra-precision grade.
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RA type (outer wheel split type, for inner wheel rotation) is a compact type with the wall thickness of the inner and outer wheels of the RB type reduced to the limit. It is ideal for areas where lightweight and compact design are required, such as the hand rotation parts of robots and manipulators.
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RA-C type (single split type) The RA type has the same main dimensions. With a single split structure at one location on the outer ring and high rigidity of the outer ring, it can also be used for outer ring rotation.
Company information
Since our establishment in 1987, we have provided various FA equipment tailored to our customers' needs. Now, as a member of the THK group, the world's top manufacturer of linear motion systems, we have 18 sales locations across Japan, responding quickly and accurately to our customers' requests.
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