Power Lock ML series Hub movement amount during assembly

In PowerLock ML series, the hub will move before the specified torque is achieved after tightening the nut while the shaft and hub bore have not yet generated contact pressure.

This hub movement amount is affected by the amount of elastic deformation of the shaft and hub, and varies depending on the hub's inner and outer diameter ratio aN.

aN = DN/D D:Inner Hub Diameter mm DN:Outer Hub Diameter mm

Hub movement amount (mm)

Model No. aN=3 aN=2 aN=1.5 aN=1.2
PL005X016M 0.13 0.15 0.20 0.34
PL006X016M 0.13 0.16 0.20 0.35
PL007X021M 0.21 0.25 0.33 0.58
PL008X021M 0.22 0.25 0.33 0.58
PL009X021M 0.22 0.26 0.34 0.59
PL010X024M 0.28 0.32 0.43 0.75
PL011X024M 0.28 0.33 0.43 0.76
PL012X024M 0.29 0.34 0.44 0.76
PL014X031M 0.42 0.49 0.65 1.16
PL015X031M 0.43 0.50 0.66 1.16
PL016X031M 0.43 0.50 0.66 1.17
PL017X036M 0.49 0.57 0.76 1.34
PL018X036M 0.50 0.58 0.76 1.34
PL019X036M 0.50 0.58 0.77 1.35
PL020X041M 0.48 0.56 0.75 1.33
PL022X041M 0.49 0.57 0.76 1.34
PL024X041M 0.50 0.59 0.77 1.35
PL025X046M 0.53 0.62 0.83 1.47
PL028X046M 0.55 0.64 0.85 1.49
PL030X050M 0.54 0.63 0.84 1.50
PL032X050M 0.53 0.62 0.83 1.48