A129
1/2" (13mm) top width · 129" length (3276.6mm)
Light-duty V-belt. The most common belt profile for fractional horsepower drives and general-purpose applications.
Profile A (classical)
Top width 1/2" (13mm)
Length (IC) 129"
Length (mm) 3276.6mm
Construction Wrapped (smooth)
Brands Gates, Continental, Optibelt, Dayco, Bando
GatesA129
Pricing not yet available for this belt.
Specifications
| Profile | A (classical) |
| Top width | 13 mm (1/2" (13mm)) |
| Depth | 8 mm |
| Length | 129" (3276.6 mm) |
| Construction | Wrapped (smooth) |
Why This Match Is Correct
✓Cross-section profile matches (A)
✓Belt length verified (129")
✓Top width and depth within standard tolerance
✓Industry-standard interchangeable across brands
Equivalents Across Brands
| Brand | Part Number | Status |
|---|---|---|
| Gates | A129 | Current |
| Continental | A129 | Current |
| Optibelt | A129 | Current |
| Dayco | A129 | Current |
| Bando | A129 | Current |
Common Applications
- Small electric motors
- Fans and blowers
- Centrifugal pumps
- Light compressors
- HVAC systems
- Washing machines
- Dryers
- Exercise equipment
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