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Variable Speed Belts – Procedure for Belt Identification

What variable speed belt do I have? We have prepared a guide to identify variable speed belts. Marking on a broken belt is not always visible.

Following Steps

Previous Step

Do You Need a New Variable Speed Belt?

Order your CONTI-V VARISPEED variable speed belt right in our eshop!

Select Variable Speed Belt   or   Consult Your Selection.

Step 2
What Is the Variable Speed Belt Type?

Variable speed belt is actually a wide V-belt.

Step 2
What Is the Variable Speed Belt Width – respectively, What Is the Variable Speed Belt Profile?

The procedure is the same as for V-belts.
Measure the upper width of the belt, e.g. 47 mm = profile width 47 mm.
Measure the belt thickness, e.g. 13 mm = profile 47 × 13.

In the profile table, you can find the appropriate type.

Step 2
What Is the Variable Speed Belt Length?

Measure the length of the belt, e.g. encircle the outer surface with a string.
Then measure the length of the string.

Variable Speed Belt Lengths

  • Li – inner length measured by the inside surface
  • La – outer length measured by the outside surface
  • Ld – working length

More Tips for Belts Identification

Newer belts are marked with a product number and/or manufacturer.

Variable Speed Belt Code Description

Example:
W52×16×1525 Li CONTI-V VARISPEED or ISO – W50×1600 Ld

Code Part Description
W52×16

Profile

1525 Li

Inside length in mm

CONTI-V VARISPEED

Type of belt

ISO

Standard code

W50

Profile

1600 Ld

Datum length in mm

Does Variable Speed Belt Damage or Breakage Happen Again and Again?

It is necessary to remove the belt and determine its fault! Use our unique troubleshoot guide. You can find there main potential causes of drive belt failure that are possibly damaging your belt, shortening its lifespan, etc. Simultaneously, there are instructions on how such problems may be solved.

Find Failure Cause   or   Consult Your Problem.

Documents for Download

Documents for Download

Dimensions and Parameters of CONTI-V VARISPEED V-Belts

TYMA CZ Data Sheets

Czech and English (pdf 207.59 kB)