Stafford Manufacturing Corp.
256 Andover St.
Wilmington, MA 01887

Phone: 978.657.8000 or 800.695.5551
Fax: 978.657.4731 or 800.649.5101
Email: sales@staffordmfg.com
Website: www.staffordmfg.com
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  • Can be placed anywhere on shaft
  • Smooth bore protects shafts from damage
  • Superior holding power over set-screw type collars
  • Offered in High Strength, Low Profile and Heavy Duty styles
  • Stocked in a variety of materials
2-Piece Clamp-Type Shaft Collars are for use on standard round shafts, hard or soft, as well as on thin wall tube or over a split hub. They can be completely disassembled and placed anywhere on a shaft. Precision machined, non-marring, easy to adjust, with high clamping power, they are stocked in the following materials:
  • Steel
  • Stainless Steel
  • Aluminum
  • Nylon
  • Delrin
Offered in three styles:
  • High Strength: Clamp screw does not protrude beyond the outside diameter (OD)
  • Low Profile: Clamp screw protrudes beyond the OD
  • Heavy Duty: Uses larger clamp screw and has larger OD for 2X holding power
Standard Series offers economy-priced versions of low-profile styles (32LXXX and 32SXXX parts).
Hub Collars Two-Piece Split Clamp-Type
Unit of Measure
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Part Number

Bore Size

Material

Type

Outside Diameter

Width

CAD

8S311 N/A 3-11/16 in N/A Stainless Steel N/A Low Profile N/A 5.000 in N/A 0.875 in N/A CAD Icon (for items table)
8L311 N/A 3-11/16 in N/A Steel N/A Low Profile N/A 5.000 in N/A 0.875 in N/A CAD Icon (for items table)
8A312 N/A 3-3/4 in N/A Aluminum N/A Low Profile N/A 5.000 in N/A 0.875 in N/A CAD Icon (for items table)
8S312 N/A 3-3/4 in N/A Stainless Steel N/A Low Profile N/A 5.000 in N/A 0.875 in N/A CAD Icon (for items table)
8L312 N/A 3-3/4 in N/A Steel N/A Low Profile N/A 5.000 in N/A 0.875 in N/A CAD Icon (for items table)
8L312P11 N/A 3-3/4 in N/A Steel, Chrome-Plated N/A Low Profile N/A 5.000 in N/A 0.875 in N/A CAD Icon (for items table)
8A313 N/A 3-13/16 in N/A Aluminum N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
8S313 N/A 3-13/16 in N/A Stainless Steel N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
8L313 N/A 3-13/16 in N/A Steel N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
8A314 N/A 3-7/8 in N/A Aluminum N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
8S314 N/A 3-7/8 in N/A Stainless Steel N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
8L314 N/A 3-7/8 in N/A Steel N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
8A315 N/A 3-15/16 in N/A Aluminum N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
2S315 N/A 3-15/16 in N/A Stainless Steel N/A High Strength N/A 5.750 in N/A 1.000 in N/A CAD Icon (for items table)
8S315 N/A 3-15/16 in N/A Stainless Steel N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
2L315 N/A 3-15/16 in N/A Steel N/A High Strength N/A 5.750 in N/A 1.000 in N/A CAD Icon (for items table)
8L315 N/A 3-15/16 in N/A Steel N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
8A400 N/A 4 in N/A Aluminum N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
2S400 N/A 4 in N/A Stainless Steel N/A High Strength N/A 5.750 in N/A 1.000 in N/A CAD Icon (for items table)
8S400 N/A 4 in N/A Stainless Steel N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
8C400 N/A 4 in N/A Stainless Steel N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
2L400 N/A 4 in N/A Steel N/A High Strength N/A 5.750 in N/A 1.000 in N/A CAD Icon (for items table)
8L400 N/A 4 in N/A Steel N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
2L400HD N/A 4 in N/A Steel N/A Heavy Duty N/A 6.000 in N/A 1.250 in N/A CAD Icon (for items table)
8L400P11 N/A 4 in N/A Steel, Chrome-Plated N/A Low Profile N/A 5.250 in N/A 0.875 in N/A CAD Icon (for items table)
Unit of Measure
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