A clamping assembly for clamping a first component in the form of a bearing race to a second component in the form of a shaft, which in use is clamped coaxially with the bearing race. The clamping assembly includes a first member in the form of a first ring having a retaining formation in the form of a thread for retaining the first ring to the shaft, a second member in the form of a segmented second ring, a third member in the form of a third segmented ring, a spacer ring and a locking ring. Each of the segments of the second ring and third ring are pivotable or rollable relative to one another.