Model Number Coding
Model number confi gurations diff er depending on the model features. Refer to the corresponding sample model number confi guration.
Cross roller rings with integrated inner and outer rings.
Model
● Model RU
- (*1) See radial clearance symbol
- (*2) See accuracy symbol
● Model RAU
Precautions for the Model RAU (Small-Diameter, 5 mm Thin Type)
- * Seals are not supported.
- * Only available with radial clearance C0.
- * Only available with normal grade accuracy (0).
- * Precautions for Selecting Seals on One Side
Because the unmarked surface is used as the machining reference surface, we recommend assembling the cross-roller ring so that the unmarked surface faces the mounting reference surface.
Choose a seal orientation to match your specifications.
(The marked surface is stamped with the model number.)
Example: For inner ring rotation when the seal is attached to the upper surface
- (*1) See radial clearance symbol
- (*2) See accuracy symbol
Cross Roller Ring
Model
● Models RB, RE, RA and RA-C
- When selecting U: Seal attached on one end, please specify whether the seal will be attached on the marked surface or unmarked surface. (The marked surface is stamped with the model number.)
- (*1) See radial clearance symbol
- (*2) See accuracy symbol
