Shaft Collars
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SPB - Balanced Two-Piece Shaft Collar

Two Piece Split Shaft Collar

Features

  • Does not mar the shaft
  • Superior fit, finish and holding power
  • Available with keyways
  • Opposing screws for balance
  • 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

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

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