8 Fairfax St SE
NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
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Mon-Fri:7:30 AM-7:00 PM
Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
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Fractional Horsepower Belt
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Fractional Horsepower Belt

Part #: NBH 4L400W
Line: NAPA Belts & Hoses

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Features & Benefits

Warranty: Standard : Limited Lifetime Warranty. See Manufacturer's Written Warranty.


FHP-W PoweRated V-Belts are designed as an alternative to conventional light-duty belts, with high-performance construction to deliver more horsepower, less stretch, and provide longer service life. These belts are suitable for outdoor power equipment, appliances, and industrial applications where Fractional Horsepower (FHP) belts are typically used. They are recommended for heavy-duty drives and clutching applications. Meets the requirements of high power, clutching ability, heavy shock load absorption and backside idler-driven lawn and garden equipment.

  • Designed with distinct green color bareback construction for smooth clutching on shock loaded, backside idler-driven equipment to ensure high crack resistance
  • Low, aramid tensile cord positioned in a thin profile gives extreme flexibility and limited stretch with extraordinary strength and durability
  • Meets RMA oil and heat-resistant standards, but not for static conductivity
  • Temperature Range: -22 Deg. F to +140 Deg. F (-30 Deg. C to +60 Deg. C)
  • NOTE: FHP-W PoweRated V-belts can be substituted for equivalent sizes of FHP low horsepower NAPA FHP Truflex V-belts


Belt Material Ethylene (EPDM)
Effective Length 40.17 in
Outside Circumference 40.05 in
VMRS Code 065-005-003
Notched Belt No
Number of Strands 1
Quality Level Best
V-Belt Type V-Belt
Weight 0.22
Brand NAPA
Manufacturer Gates
Belt Construction Wrapped
Cross Section Designation of Belt 4L
SDS Required No
Top Width .5
Belt Angle 37 Deg
Cord Material Aramid

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