B400
21/32" (17mm) top width · 157.48" length (4000mm)
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) 157.48"
Length (mm) 4000mm
Construction Wrapped (smooth)
Brands Gates, Continental, Optibelt, Dayco, Bando
ContinentalSPB4000B section · 157.48" length
In stock
$141.95
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+ $9.99 shipping · Ships within 2–3 business days
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Specifications
| Profile | SPB (metric) |
| Top width | 16.3 mm (21/32" (17mm)) |
| Depth | 13 mm |
| Length | 157.48" (4000 mm) |
| Construction | Wrapped (smooth) |
Why This Match Is Correct
✓Cross-section profile matches (B)
✓Belt length verified (157.48")
✓Top width and depth within standard tolerance
✓Industry-standard interchangeable across brands
Equivalents Across Brands
| Brand | Part Number | Status |
|---|---|---|
| Gates | SPB4000 | Current |
| Continental | SPB4000 | Current |
| Optibelt | SPB4000 | Current |
| Dayco | SPB4000 | Current |
| Bando | SPB4000 | Current |
Common Applications
- Industrial motors (1-25 HP)
- Conveyors
- Machine tools
- Air compressors
- Agricultural equipment
- Blowers
- Woodworking machines
- Printing presses
ManufacturingAgricultureMiningConstruction