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  • Most popular series world-wide
  • Easy machining of shaft and hub
  • Can use on shafts with a keyway
  • Metric size range: 19-mm thru 300-mm

For selection and application see Technical Notes download
Unit of Measure


d - Shaft O.D.

N/A 0.787 in

t1 - Shaft Dia. Tolerance

N/A -0.0013 in +0

D - Hub Counter I.D.

N/A 1.850 in

t2 - Hub Counter ID Tolerance

N/A +0.0015 in -0


N/A 0.787 in


N/A 0.709 in


N/A 1.024 in

Transmissible Torque

N/A 196 ft·lb

Transmissible Thrust

N/A 5940 lb

P - Contact Pressure - Shaft

N/A 28863 psi

P' - Contact Pressure - Hub Bore

N/A 12328 psi


N/A 0.400 lb

Locking Bolts


N/A 6


N/A M6x18

Tightening Torque

N/A 12.500 ft·lb

Features & Application


  • Multipurpose
    Ideally structured and highly reliable locking device
  • Low Machining Costs
    Keyway, splines, presses and thermal fittings are not required. Optimum performance is achieved with low shaft and hub tolerances minimizing the total machining costs.
  • Easy to Install
    Install or removes just by tightening or loosening of bolts. No need to hassle with adjusting keyways and thermal fittings.
  • Options to Fit Every Application
    Stainless Steel and electroless nickle plating options are offered for standard models. Both are highly durable in corrosive or clean room environments.

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