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  • Self-centering
  • Exceptional concentricity 
  • Suitable/recommended for hollow shafts
  • Axial hub position fixed during clamping
  • Metric shafts 14 mm to 240 mm  
  • Larger sizes on request
  • 22 - 118,010 ft-lb
Unit of Measure



N/A SLD 900 MM 125

Coupling Size

N/A SLD900


N/A External

Collar Material

N/A Silver/Metallic


N/A 18.96 lb

# of Locking Screws

N/A 12

Locking Screws Size

N/A M10

Screw Type

N/A Hex Head Bolt

Screw Material

N/A Steel


N/A Self Centering


N/A External Shaft Locking Device

Dimensional Data

Hub Outside Diameter (Dimension d)

N/A 125.00 mm4.921 in

Tolerance of Hub Outside Diameter (T3)

N/A +0 - 0.0021 in

Shaft Size

N/A 125.00 mm

Shaft Locking Device Outside Diameter (Dimension D)

N/A 215.00 mm8.465 in

Thrust Rings Width at Relaxed State (Dimension B)

N/A 53.92 mm2.123 in

Contact Length (Dimension l)

N/A 42.00 mm1.654 in

Locking Screw Size (Dimension T)

N/A M10

Shaft Diameter (Dimension ds)

N/A 3.346 in

Gap Width at Relaxed State (Dimension e)

N/A 0.236 in

Max. Diametrical Clearance (Dimension C)

N/A 0.002 in

Total Thrust Rings Width at Relaxed State (Dimension L)

N/A 2.402 in61.00 mm

Disc Outside Diameter (Dimension D)

N/A 215.01 mm8.465 in

Cubic inches

N/A 172.11825 in³4371.80361 mm³

Performance Data

Max. Transmissible Torque (at low end of shaft diameter range)

N/A 8113.00 ft·lb

Max. Transmissible Torque (min to max shaft diameter)

N/A 8113 to 11063 ft·lb

Screw Tightening Torque

N/A 44.00 ft·lb



N/A Versus Traditional Keyed Connections
  • No Backlash due to fit tolerances
  • No impact effect from reversing loads
  • Ability to adjust axial position and angular timing
  • No fretting corrosion due to movement at the fit interface
Versus Traditional Interference Fits
  • Easier and quicker to install
  • Higher contact pressures can transmit greater torques
  • Easy and quick to remove without damaging the shaft or hub - even after years of service
Design Benefits
  • Eliminate cost of machining keyways or splines
  • Reduce the shaft stress by removing keyways or splines
  • Eliminating keyways often allows the use of a smaller diameter shaft
  • Can place anywhere on shaft, and allows for easy angular timing
  • Easy removal without damaging the shaft or hub means easier maintenance for your customer
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