THK RB-USP and RBV-USP Series Cross Roller Ring

This is the ultra precision grade version of THK’s Cross Roller Ring, built to a rotation accuracy that beats the world’s top standards, including JIS Class 2, ISO Class 2, DIN P2, and AFBMA ABEC9. Model RB-USP uses a spacer retainer, giving it a low friction coefficient and highly stable rotational torque, with a basic dynamic load rating from 33.1 kN to 264 kN. Model RBV-USP is the full roller version, suited to low speed rotary operations under higher loads and available in all metal specifications, with a basic dynamic load rating from 41.7 kN to 321 kN.

Both models keep the separable outer ring design of the standard RB Series, so they’re a strong choice where outer ring rotation and top tier accuracy both matter, such as precision rotary tables and measuring equipment.