B123
Medium-duty V-belt. Handles higher loads than A section. The workhorse of industrial belt drives.
Profile100%
B section (classical)
Length100%
123" (3124.2mm)
Cross-section100%
17mm top × 11mm depth
Interchange100%
Industry-standard across brands
GatesB123
Pricing not yet available for this belt.
Specifications
| Profile | B (classical) |
| Top width | 17 mm (21/32" (17mm)) |
| Depth | 11 mm |
| Length | 123" (3124.2 mm) |
| Construction | Wrapped (smooth) |
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Why This Match Is Correct
✓Cross-section profile matches (B)
✓Belt length verified (123")
✓Top width and depth within standard tolerance
✓Industry-standard interchangeable across brands
Also Known As
2 cross-references from the Continental ContiTech interchange data.
GatesB123Verified — Continental NA Cross-Reference Tool · last checked last month · perfect interchangeCarlisleB123Medium confidence — Continental NA Cross-Reference Tool · last checked last month · near equivalent
Equivalents Across Brands
| Brand | Part Number | Status |
|---|---|---|
| Gates | B123 | Current |
| Continental | B123 | Current |
| Optibelt | B123 | Current |
| Dayco | B123 | Current |
| Bando | B123 | 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.