Part Number (Range) 31500-31553

1/2'', 1'', 1 1/2'', 1 3/4'', 2'', 2 1/4'', 2 1/2'', 3'', 3 1/2'' Aluminum Belt Driven Fan Spacers

Description

These belt driven fan spacers comes with a clear anodized finish and are designed to fit domestic applications with 5/8" and 3/4" pilot water pumps.

Length Part Number Bolt Size
1/2" 31500 5/16-18 / 5/16-24
1" 31510 5/16-18 / 5/16-24
1 1/2" 31515 5/16-18 / 5/16-24
1 3/4" 31518 5/16-18 / 5/16-24
2" 31520 5/16-18 / 5/16-24
2" 31521 8mm x 1.25
2 1/4" 31540 5/16-18 / 5/16-24
2 1/4" 31547 6mm x 1.00 / 8mm x 1.25
2 1/2" 31550 5/16-18 / 5/16-24
3" 31552 5/16-18 / 5/16-24
3 1/2" 31553 5/16-18 / 5/16-24

 

Specifications
  • PN 31500 Length: 1/2''
  • PN 31510 Length: 1''
  • PN 31515 Length: 1 1/2''
  • PN 31518 Length: 1 3/4''
  • PN 31520 Length: 2''
  • PN 31521 Length: 2''
  • PN 31540 Length: 2 1/4''
  • PN 31547 Length: 2 1/4''
  • PN 31550 Length: 2 1/2'' 
  • PN 31552 Length: 3'' 
  • PN 31553 Length: 3 1/2'' 

Following specifications apply to all spacers

  • Spacer construction: Aluminum
  • Anodize color: Clear
  • Male pilot diameter: 5/8" 
  • Female pilot diameter: 5/8" or 3/4" (PN: 31500 5/8" female pilot Only)
  • Mounting Bolt size: (4) 5/16"-18 & (4) 5/16"-24
  • Flange bolt spacing: 1-3/4" - 2-1/4"
Features
  • Aluminum construction
  • Anodized clear finish
  • Fine and course 5/16" thread hardware included
  • Warning: Fan should have a minimum clearance of 3/4" from the radiator, belts, hoses or pulleys (See Illustration)

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