Resources/Belts

V-Belt Length and Cross-Reference: What You Need to Quote Fast

A practical checklist to confirm length references and section data for fast V-belt quotes in the UAE.

6 min readUpdated for UAE procurement
Technical Specs

Materials

  • Rubber belt construction with cord reinforcement

Sizes

  • Li, Lw, La, and pitch length references

Standards

  • ISO/DIN length reference conventions

Problem this solves

Most quote delays come from unclear length references. This guide helps you state Li, Lw, or La correctly.

Length reference quick guide

ReferenceMeaningWhere used
LiInside lengthClassical sections
LwPitch lengthWedge and narrow sections
LaOutside lengthLegacy belt markings

Cross reference steps

  1. 1Record the belt section and full marking code.
  2. 2Identify the length reference from the marking or catalog.
  3. 3If missing, measure the belt with a flexible tape.
  4. 4Confirm pulley diameters if the belt is removed.

RFQ checklist

  • Belt section or profile
  • Length reference and exact value
  • Quantity and matched set requirement
  • Application and operating conditions

FAQ

  • Q: Can you convert between Li and Lw? A: Yes, share the section and length.
  • Q: What if the belt is stretched? A: Provide pulley and center distance data.
  • Q: Do you need the pulley profile? A: Yes, to confirm compatibility.

Related links: unknown node, unknown node, unknown node.

Related Products
Specification Verification Available

Confirm your belt length before ordering

Share belt markings or measurements for fast cross reference.