Shaft Collars Shaft Collar in Shell
grey block
 

SP - Two-Piece Clamp Shaft Collar

Two Piece Split Shaft Collar

Features

  • Does not mar the shaft
  • Superior fit, finish and holding power
  • Available with keyways
  • Opposing screws available (SPB Series)
  • RoHS2 and REACH Compliant
  • Width tolerance: +.003”/-.010”
  • Bore tolerance: +.002”/+.0005”
  • Temperature Range (Deg. F)
    Steel: -40° to 350°
    Zinc Plated Steel: -40° to 350°
    Aluminum: -40° to 225°
    Stainless: -40° to 350°
    Plastic: -10° to 185°

 

How to Specify

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

order sp

 
 
 
  Click part number for CAD files, technical specs, and pricing
Steel Zinc
Plated
Steel
Aluminum Stainless 316
Stainless
Plastic Bore
B (in)
Outer
Diameter
OD (in)
Screw
Location
R (in)
Clearance
Diameter
C (in)
Width
W (in)
Forged
Clamp Screw
SP-2-F SP-2-FZ SP-2-A SP-2-SS SP-2-ST SP-2-P 0.1250 5/8 0.210 0.773 0.281 #4-40X5/16
SP-3-F SP-3-FZ SP-3-A SP-3-SS SP-3-ST SP-3-P 0.1875 5/8 0.210 0.773 0.281 #4-40X5/16
SP-4-F SP-4-FZ SP-4-A SP-4-SS SP-4-ST SP-4-P 0.2500 5/8 0.210 0.773 0.281 #4-40X5/16
SP-5-F SP-5-FZ SP-5-A SP-5-SS SP-5-ST SP-5-P 0.3125 11/16 0.250 0.838 0.281 #4-40X5/16
SP-6-F SP-6-FZ SP-6-A SP-6-SS SP-6-ST SP-6-P 0.3750 7/8 0.313 1.027 0.343 #6-32X3/8
SP-7-F SP-7-FZ SP-7-A SP-7-SS SP-7-ST SP-7-P 0.4375 15/16 0.344 1.080 0.343 #6-32X3/8
SP-8-F SP-8-FZ SP-8-A SP-8-SS SP-8-ST SP-8-P 0.5000 1 1/8 0.406 1.281 0.406 #8-32X1/2
SP-9-F SP-9-FZ SP-9-A SP-9-SS SP-9-ST SP-9-P 0.5625 1 1/4 0.448 1.448 0.437 #10-32X1/2
SP-10-F SP-10-FZ SP-10-A SP-10-SS SP-10-ST SP-10-P 0.6250 1 5/16 0.479 1.500 0.437 #10-32X1/2
SP-11-F SP-11-FZ SP-11-A SP-11-SS SP-11-ST SP-11-P 0.6875 1 3/8 0.516 1.564 0.437 #10-32X1/2
SP-12-F SP-12-FZ SP-12-A SP-12-SS SP-12-ST SP-12-P 0.7500 1 1/2 0.545 1.808 0.500 1/4-28X5/8
SP-13-F SP-13-FZ SP-13-A SP-13-SS SP-13-ST SP-13-P 0.8125 1 5/8 0.610 1.916 0.500 1/4-28X5/8
SP-14-F SP-14-FZ SP-14-A SP-14-SS SP-14-ST SP-14-P 0.8750 1 5/8 0.610 1.916 0.500 1/4-28X5/8
SP-15-F SP-15-FZ SP-15-A SP-15-SS SP-15-ST SP-15-P 0.9375 1 3/4 0.678 2.032 0.500 1/4-28X11/16
SP-16-F SP-16-FZ SP-16-A SP-16-SS SP-16-ST SP-16-P 1.0000 1 3/4 0.678 2.032 0.500 1/4-28X11/16
SP-17-F SP-17-FZ SP-17-A SP-17-SS SP-17-ST SP-17-P 1.0625 1 7/8 0.740 2.140 0.500 1/4-28X11/16
SP-18-F SP-18-FZ SP-18-A SP-18-SS SP-18-ST SP-18-P 1.1250 1 7/8 0.740 2.140 0.500 1/4-28X11/16
SP-19-F SP-19-FZ SP-19-A SP-19-SS SP-19-ST SP-19-P 1.1875 2 1/16 0.828 2.295 0.500 1/4-28X11/16
SP-20-F SP-20-FZ SP-20-A SP-20-SS SP-20-ST SP-20-P 1.2500 2 1/16 0.828 2.295 0.500 1/4-28X11/16
SP-21-F SP-21-FZ SP-21-A SP-21-SS SP-21-ST SP-21-P 1.3125 2 1/8 0.859 2.351 0.563 1/4-28X3/4
SP-22-F SP-22-FZ SP-22-A SP-22-SS SP-22-ST SP-22-P 1.3750 2 1/4 0.922 2.465 0.563 1/4-28X3/4
SP-23-F SP-23-FZ SP-23-A SP-23-SS SP-23-ST SP-23-P 1.4375 2 1/4 0.922 2.465 0.563 1/4-28X3/4
SP-24-F SP-24-FZ SP-24-A SP-24-SS SP-24-ST SP-24-P 1.5000 2 3/8 0.984 2.578 0.563 1/4-28X3/4
SP-25-F SP-25-FZ SP-25-A SP-25-SS SP-25-ST   1.5625 2 3/8 0.984 2.578 0.563 1/4-28X3/4
SP-26-F SP-26-FZ SP-26-A SP-26-SS SP-26-ST   1.6250 2 5/8 1.063 2.935 0.688 5/16-24X7/8
SP-27-F SP-27-FZ SP-27-A SP-27-SS SP-27-ST   1.6875 2 3/4 1.125 3.046 0.688 5/16-24X7/8
SP-28-F SP-28-FZ SP-28-A SP-28-SS SP-28-ST   1.7500 2 3/4 1.125 3.046 0.688 5/16-24X7/8
SP-29-F SP-29-FZ SP-29-A SP-29-SS SP-29-ST   1.8125 2 7/8 1.188 3.160 0.688 5/16-24X7/8
SP-30-F SP-30-FZ SP-30-A SP-30-SS SP-30-ST   1.8750 2 7/8 1.188 3.160 0.688 5/16-24X7/8
SP-31-F SP-31-FZ SP-31-A SP-31-SS SP-31-ST   1.9375 3 1.250 3.273 0.688 5/16-24X7/8
SP-32-F SP-32-FZ SP-32-A SP-32-SS SP-32-ST   2.0000 3 1.250 3.273 0.688 5/16-24X7/8
SP-33-F SP-33-FZ SP-33-A SP-33-SS SP-33-ST   2.0625 3 1/8 1.297 3.360 0.750 5/16-24X7/8
SP-34-F SP-34-FZ SP-34-A SP-34-SS SP-34-ST   2.1250 3 1/4 1.375 3.504 0.750 5/16-24X7/8
SP-35-F SP-35-FZ SP-35-A SP-35-SS SP-35-ST   2.1875 3 1/4 1.375 3.504 0.750 5/16-24X7/8
SP-36-F SP-36-FZ SP-36-A SP-36-SS SP-36-ST   2.2500 3 1/4 1.375 3.504 0.750 5/16-24X7/8
SP-37-F SP-37-FZ SP-37-A SP-37-SS SP-37-ST   2.3125 3 3/8 1.422 3.591 0.750 5/16-24X1
SP-38-F SP-38-FZ SP-38-A SP-38-SS SP-38-ST   2.3750 3 1/2 1.484 3.707 0.750 5/16-24X1
SP-39-F SP-39-FZ SP-39-A SP-39-SS SP-39-ST   2.4375 3 1/2 1.484 3.707 0.750 5/16-24X1
SP-40-F SP-40-FZ SP-40-A SP-40-SS SP-40-ST   2.5000 3 3/4 1.563 4.034 0.875 3/8-24X1
SP-41-F SP-41-FZ SP-41-A SP-41-SS SP-41-ST   2.5625 3 7/8 1.625 4.148 0.875 3/8-24X1
SP-42-F SP-42-FZ SP-42-A SP-42-SS SP-42-ST   2.6250 3 7/8 1.625 4.148 0.875 3/8-24X1
SP-43-F SP-43-FZ SP-43-A SP-43-SS SP-43-ST   2.6875 4 1.688 4.265 0.875 3/8-24X1
SP-44-F SP-44-FZ SP-44-A SP-44-SS SP-44-ST   2.7500 4 1.688 4.265 0.875 3/8-24X1
SP-45-F SP-45-FZ SP-45-A SP-45-SS SP-45-ST   2.8125 4 1/4 1.813 4.499 0.875 3/8-24X1 1/8
SP-46-F SP-46-FZ SP-46-A SP-46-SS SP-46-ST   2.8750 4 1/4 1.813 4.499 0.875 3/8-24X1 1/8
SP-47-F SP-47-FZ SP-47-A SP-47-SS SP-47-ST   2.9375 4 1/4 1.813 4.499 0.875 3/8-24X1 1/8
SP-48-F SP-48-FZ SP-48-A SP-48-SS SP-48-ST   3.0000 4 1/4 1.813 4.499 0.875 3/8-24X1 1/8
SP-49-F           3.0625 4 1/2 1.938 4.742 0.875 3/8-24X1 1/4
SP-50-F           3.1250 4 1/2 1.938 4.742 0.875 3/8-24X1 1/4
SP-51-F           3.1875 4 1/2 1.938 4.742 0.875 3/8-24X1 1/4
SP-52-F           3.2500 4 1/2 1.938 4.742 0.875 3/8-24X1 1/4
SP-53-F           3.3125 4 3/4 2.063 4.978 0.875 3/8-24X1 1/4
SP-54-F           3.3750 4 3/4 2.063 4.978 0.875 3/8-24X1 1/4
SP-55-F           3.4375 4 3/4 2.063 4.978 0.875 3/8-24X1 1/4
SP-56-F           3.5000 4 3/4 2.063 4.978 0.875 3/8-24X1 1/4
SP-57-F           3.5625 5 2.188 5.216 0.875 3/8-24X1 1/4
SP-58-F           3.6250 5 2.188 5.216 0.875 3/8-24X1 1/4
SP-59-F           3.6875 5 2.188 5.216 0.875 3/8-24X1 1/4
SP-60-F           3.7500 5 2.188 5.216 0.875 3/8-24X1 1/4
SP-61-F           3.8125 5 1/4 2.313 5.456 0.875 3/8-24X1 1/4
SP-62-F           3.8750 5 1/4 2.313 5.456 0.875 3/8-24X1 1/4
SP-63-F           3.9375 5 1/4 2.313 5.456 0.875 3/8-24X1 1/4
SP-64-F           4.0000 5 1/4 2.313 5.456 0.875 3/8-24X1 1/4

Larger bore dimensions are available on the heavy duty shaft collar product page.

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