Cross-Roller Ring Standard Model RU Model RU
The integrated design of the unit’s inner and outer rings, with mounting holes on both rings, eliminates the need for a special flange or housing and enables easy installation.
Mounting has virtually no effect on performance, which ensures stable, accurate rotation and torque.Can be used for both outer and inner ring rotation.
Basic load rating (radial) (kN): Basic dynamic load rating 7.35 to 222 / Basic static load rating 8.35 to 473
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| Products | Contents |
|---|---|
| LM Guide | LM rail standard lengths and maximum length, tapped-hole type LM rail, frame for LM rail clamps, steel plate for LM rail clamps, etc. |
| Ball Screw | Axial clearance, maximum manufacturing length of shaft, etc. |
| Actuator | Movable part mass, etc. |
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Dimensional drawing/Dimensional table
Notes on dimensional table
- Note) Optional grease nipple available for model RU. (See figure below.) To indicate that you want grease nipples, add "-N" to the end of the model number.
Model number coding
(*1) See Radial Clearance Standard (*2) See Accuracy Standard
THK Online Services
Member-Exclusive Content
These contents can be accessed
after registering as a member.
Benefit 1: Useful features
-
Easy product comparisonsHighlight feature
-
Save items for laterreview Favorites feature
Benefit 2: Exclusive content
| Products | Contents |
|---|---|
| LM Guide | LM rail standard lengths and maximum length, tapped-hole type LM rail, frame for LM rail clamps, steel plate for LM rail clamps, etc. |
| Ball Screw | Axial clearance, maximum manufacturing length of shaft, etc. |
| Actuator | Movable part mass, etc. |
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Designer is the former optimal product selection tool
You can download 2D/3D CAD by clicking on the icon and selecting from the CAD format.
| Model No. | Designer* | Life Calculator* | CAD Download* | Catalog Download | Manual Download |
|---|---|---|---|---|---|
| RU 42 |  |  |  |  |  |
| RU 66 | | | |||
| RU 85 | | | |||
| RU 124(G) | | | |||
| RU 124X | | | |||
| RU 148(G) | | | |||
| RU 148X | | | |||
| RU 178(G) | | | |||
| RU 178X | | | |||
| RU 228(G) | | | |||
| RU 228X | | | |||
| RU 297(G) | | | |||
| RU 297X | | | |||
| RU 445(G) | | | |||
| RU 445X | | |
*marks are not available for guest members.
