B450
Medium-duty V-belt. Handles higher loads than A section. The workhorse of industrial belt drives.
Profile100%
B section (metric)
Length100%
177.17" (4500mm)
Cross-section100%
16.3mm top × 13mm depth
Interchange100%
Industry-standard across brands
OptibeltSPB4500B section · 177.17" length
In stock
$133.09
Partmatch price
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- 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 | 177.17" (4500 mm) |
| Construction | Wrapped (smooth) |
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Why This Match Is Correct
✓Cross-section profile matches (B)
✓Belt length verified (177.17")
✓Top width and depth within standard tolerance
✓Industry-standard interchangeable across brands
Equivalents Across Brands
| Brand | Part Number | Status |
|---|---|---|
| Gates | SPB4500 | Current |
| Continental | SPB4500 | Current |
| Optibelt | SPB4500 | Current |
| Dayco | SPB4500 | Current |
| Bando | SPB4500 | Current |
Common Applications
- Industrial motors (1-25 HP)
- Conveyors
- Machine tools
- Air compressors
- Agricultural equipment
- Blowers
- Woodworking machines
- Printing presses
ManufacturingAgricultureMiningConstruction
Related Belts
Adjacent lengths in the same profile.