Bar coupling, shaft diameter 6 mm /8 mm, maximum shaft offset radial ± 0.3 mm, axial ± 0.2 mm, angle ± 3°, max. speed 10,000 rpm, torsion spring rigidity 38 Nm/wheel material: fiber-glass reinforced polyamide, aluminium hub For use with SICK Encoders Note Product details cover the whole product family. For details on the specifications for this individual product, please refer to the datasheet.