Flat Idler Pulley, 3/8"Bore X 4"OD

Flat Idler Pulley, 3/8"Bore X 4"OD

The 280-609 Flat Idler Pulley is a heavy-duty metal idler pulley designed for smooth belt routing and tensioning in a wide range of equipment setups. With a 4" outside diameter and a 3/8" bore, it’s a solid replacement option when you need an idler that spins true and doesn’t complain about the workload.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 280-609
• Product Type: Flat idler pulley
• Duty Rating: Heavy duty (TRUE)
• Material: Metal
• Outside Diameter (OD): 4"
• Bore / ID: 3/8"
• Overall Height: 1"
• Note: Color may vary
• Dimensional Data (per A–V callouts):
  • A: 4"
  • B: 3-1/2"
  • C: 3/8"
  • D: 7/8"
  • E: 11/16"
  • F: 1/4"
  • H: 1/4"
  • V: 1-1/4"

Ideal For

• Replacing worn idlers on belt-driven equipment needing a 4" OD / 3/8" bore pulley
• Belt routing and tensioning where a flat idler is specified
• Heavy-use applications where a metal, heavy-duty pulley is preferred
• Keeping belts tracking smoothly instead of wandering off like they’ve got someplace better to be