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Rigid Couplings
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SPX - Two-Piece Rigid Coupling | Inch

Two Piece Rigid Coupling

Features

  • 3-piece styles available
  • Precision honed bore on straight bore couplings
  • Does not mar the shaft
  • Nypatch® anti-vibration hardware
  • Additional step bores available
  • Opposing hardware on 2-piece styles
  • RoHS2 and REACH Compliant
  • Maximum speed: 4,000 RPM
  • Bore tolerance: +.002”/+.0005”
  • Temperature Range (Deg. F)
    Steel: -40° to 350°
    Stainless: -40° to 350°
 

How to Specify

Choose bore size and material type.
Part numbers are in the following format with numbers representing sixteenths of an inch:

order spx

Inch to Metric Bore Combinations

  • For help on inch to metric bore combinations please email


 
 
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  Click part number for full technical specs, CAD files, and pricing
Steel Stainless Steel Bore
B1 (in)
Bore
B2 (in)
OD
(in)
Length
L (in)
Screw
Location
S (in)
Clearance
Diameter
C (in) MAX
Forged
Clamp Screw
SPX-2-2-F SPX-2-2-SS 0.125 0.125 1/2 13/16 0.150 0.578 #2-56
SPX-3-3-F SPX-3-3-SS 0.188 0.188 9/16 7/8 0.185 0.651 #2-56
SPX-4-3-F SPX-4-3-SS 0.250 0.188 5/8 1 0.219 0.815 #4-40
SPX-4-4-F SPX-4-4-SS 0.250 0.250 5/8 1 0.219 0.815 #4-40
SPX-6-4-F SPX-6-4-SS 0.375 0.250 7/8 1 3/8 0.313 1.033 #6-32
SPX-6-6-F SPX-6-6-SS 0.375 0.375 7/8 1 3/8 0.313 1.033 #6-32
SPX-8-6-F SPX-8-6-SS 0.500 0.375 1 1/8 1 3/4 0.430 1.328 #8-32
SPX-8-8-F SPX-8-8-SS 0.500 0.500 1 1/8 1 3/4 0.430 1.328 #8-32
SPX-10-8-F SPX-10-8-SS 0.625 0.500 1 5/16 2 0.484 1.514 #10-32
SPX-10-10-F SPX-10-10-SS 0.625 0.625 1 5/16 2 0.484 1.514 #10-32
SPX-12-8-F SPX-12-8-SS 0.750 0.500 1 1/2 2 1/4 0.545 1.842 1/4-28
SPX-12-10-F SPX-12-10-SS 0.750 0.625 1 1/2 2 1/4 0.545 1.842 1/4-28
SPX-12-12-F SPX-12-12-SS 0.750 0.750 1 1/2 2 1/4 0.545 1.842 1/4-28
SPX-14-10-F SPX-14-10-SS 0.875 0.625 1 5/8 2 1/2 0.600 1.932 1/4-28
SPX-14-14-F SPX-14-14-SS 0.875 0.875 1 5/8 2 1/2 0.600 1.932 1/4-28
SPX-16-8-F SPX-16-8-SS 1.000 0.500 1 3/4 3 0.670 2.049 1/4-28
SPX-16-10-F SPX-16-10-SS 1.000 0.625 1 3/4 3 0.670 2.049 1/4-28
SPX-16-12-F SPX-16-12-SS 1.000 0.750 1 3/4 3 0.670 2.049 1/4-28
SPX-16-16-F SPX-16-16-SS 1.000 1.000 1 3/4 3 0.670 2.049 1/4-28
SPX-18-16-F SPX-18-16-SS 1.125 1.000 1 7/8 3 1/8 0.748 2.182 1/4-28
SPX-18-18-F SPX-18-18-SS 1.125 1.125 1 7/8 3 1/8 0.748 2.182 1/4-28
SPX-19-16-F SPX-19-16-SS 1.188 1.000 2 1/16 3 1/4 0.807 2.242 1/4-28
SPX-19-19-F SPX-19-19-SS 1.188 1.188 2 1/16 3 1/4 0.807 2.242 1/4-28
SPX-20-16-F SPX-20-16-SS 1.250 1.000 2 1/16 3 1/4 0.807 2.286 1/4-28
SPX-20-20-F SPX-20-20-SS 1.250 1.250 2 1/16 3 1/4 0.807 2.286 1/4-28
SPX-22-16-F SPX-22-16-SS 1.375 1.000 2 1/2 3 5/8 0.986 2.772 5/16-24
SPX-22-22-F SPX-22-22-SS 1.375 1.375 2 1/2 3 5/8 0.986 2.772 5/16-24
SPX-23-16-F SPX-23-16-SS 1.438 1.000 2 5/8 3 7/8 1.050 2.840 5/16-24
SPX-23-23-F SPX-23-23-SS 1.438 1.438 2 5/8 3 7/8 1.050 2.840 5/16-24
SPX-24-16-F SPX-24-16-SS 1.500 1.000 2 5/8 3 7/8 1.050 2.886 5/16-24
SPX-24-20-F SPX-24-20-SS 1.500 1.250 2 5/8 3 7/8 1.050 2.886 5/16-24
SPX-24-24-F SPX-24-24-SS 1.500 1.500 2 5/8 3 7/8 1.050 2.886 5/16-24
SPX-28-28-F SPX-28-28-SS 1.750 1.750 3 1/8 4 1/2 1.305 3.365 3/8-24
SPX-31-31-F SPX-31-31-SS 1.938 1.938 3 3/8 4 7/8 1.391 3.657 3/8-24
SPX-32-32-F SPX-32-32-SS 2.000 2.000 3 3/8 4 7/8 1.391 3.717 3/8-24

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