B345
21/32" (17mm) top width · 135.83" length (3450mm)
Medium-duty V-belt. Handles higher loads than A section. The workhorse of industrial belt drives.
Profile B (metric)
Top width 21/32" (17mm)
Length (IC) 135.83"
Length (mm) 3450mm
Construction Wrapped (smooth)
Brands Gates, Continental, Optibelt, Dayco, Bando
GatesB345
Pricing not yet available for this belt.
Specifications
| Profile | SPB (metric) |
| Top width | 16.3 mm (21/32" (17mm)) |
| Depth | 13 mm |
| Length | 135.83" (3450 mm) |
| Construction | Wrapped (smooth) |
Why This Match Is Correct
✓Cross-section profile matches (B)
✓Belt length verified (135.83")
✓Top width and depth within standard tolerance
✓Industry-standard interchangeable across brands
Equivalents Across Brands
| Brand | Part Number | Status |
|---|---|---|
| Gates | SPB3450 | Current |
| Continental | SPB3450 | Current |
| Optibelt | SPB3450 | Current |
| Dayco | SPB3450 | Current |
| Bando | SPB3450 | Current |
Common Applications
- Industrial motors (1-25 HP)
- Conveyors
- Machine tools
- Air compressors
- Agricultural equipment
- Blowers
- Woodworking machines
- Printing presses
ManufacturingAgricultureMiningConstruction