Official Answer
Answer
At high rotational speeds, centrifugal force causes external rings to expand outward. If the expansion exceeds groove depth, the ring will lift out of the groove and fail.
Knowledge Answer
How does centrifugal force affect external spiral retaining rings?
At high rotational speeds, centrifugal force causes external rings to expand outward. If the expansion exceeds groove depth, the ring will lift out of the groove and fail.
