What does clearance height HF mean?
The clearance height HF indicates the required installation height. All igus e-chain series are manufactured with pretension. In the clearance height section, you will find the measurement HF, which specifies the necessary clearance height, taking the pretension into account.
HF = H + X
HF = Required clearance height
H = Nominal clearance height
X = Depending on the selected igus e-chain series