Suitable for assemblies where concentricity and aligned positioning is desired. RCK 71 version has the same properties as RCK 70 with the addition of a "spacer" ring that eliminates any possible axial deviation. Medium-high torque.
Order example For a shaft with ∅d 30 with a shaft load of less than or equal to 650 Nm should be selected: RCK 71 - 30x55.