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  • High torque
  • Exceptional concentricity
  • Self-centering
  • Axial hub position can move during clamping
  • Metric shafts 18 mm to 200 mm
  • Inch shafts 3/4 to 4 inch
  • Larger sizes on request
  • 273 - 44,625 ft-lb
Unit of Measure



N/A SLD 1850 MM 70X110 (2-3/4")

Coupling Size

N/A SLD1850


N/A Internal

Collar Material

N/A Silver/Metallic


N/A 2.93 lb

Screw Type

N/A Socket Head Cap Screw

Screw Material

N/A Steel


N/A Self Centering


N/A Internal Shaft Locking Device

# of Locking Screws

N/A 8

Dimensional Data

Shaft Size 

N/A 70 x 110 mm

Hub Outside Diameter (Dimension d)

N/A 2.756 in70.00 mm

Tolerance of Shaft (T1)

N/A +0 -0.0018 in

Shaft Locking Device Outside Diameter (Dimension D)

N/A 4.331 in110.00 mm

Tolerance of Hub Bore (T2)

N/A -0 +0.0021 in

Thrust Rings Width at Relaxed State (Dimension B)

N/A 1.575 in40.00 mm

Locking Screw Size (Dimension T)

N/A M10

Contact Length (Dimension l)

N/A 0.945 in24.00 mm

Total Width at Relaxed State (Dimension L)

N/A 1.969 in50.01 mm

Cubic inches

N/A 36.93364 in³938.11440 mm³

Performance Data

Max. Transmissible Axial Force

N/A 38352.00 lbf

Max. Transmissible Torque

N/A 4404.00 ft·lb

Screw Tightening Torque

N/A 52.00 ft·lb

Pressure on The Hub

N/A 24802.00 psi

Pressure on The Shaft

N/A 29008.00 psi



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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