Cogged Equipment V-Belt AX70, Fixes Belt Slipping
Raw-edge cogged AX drive belt for fans, blowers, pumps, compressors and compact industrial drives.
The AX70 is a classical raw-edge cogged belt with a 70-inch inside-length designation and approximately 72 inches outside length. It is designed for compatible AX-section sheaves where flexibility and reduced slip are important.
Cross-Reference Information
Related Wrapped-Belt Number
A70 / 4L720 is the related wrapped A-section dimensional alternative. It is not identical construction. Confirm that the equipment permits a raw-edge cogged belt before changing belt construction.
Common Symptoms
- Belt slips, squeals, chirps or runs hot
- Fan, blower, pump or compressor loses speed
- Cracks form between the cogs
- Belt is glazed, frayed, stretched or missing cog material
Check Before Ordering
- Confirm the complete AX70 marking or the exact cross-reference number
- Confirm AX profile: 1/2-inch top width and approximately 5/16-inch height
- Do not confuse inside length with the approximately 72-inch outside length
- Inspect pulley grooves, alignment, bearings and the tensioning system
Installation Notes
- Disconnect and lock out electrical power.
- Release belt tension according to the equipment manual.
- Inspect and clean the sheaves without prying the new belt into place.
- Align the drive and set belt tension to the manufacturer specification.
- Rotate by hand, reinstall guards and test operation.
Related Equipment
Common equipment categories include extraction fans, ventilation fans, air handlers, blowers, pumps, compressors, lathes, grinders and general industrial machinery.
Verified Compatible Equipment Models
No manufacturer-published model-level fitment list was verified for this universal AX trade size. Match by the exact belt designation, profile, length system and equipment service specifications.
✓ Model-Specific Repair Pages
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