V-belt Optibelt 4-B 4000

OPTIBELT 4-B 4000 belongs to v-belt, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for 4-B 4000 and any equivalents.

This Optibelt 4-B 4000 is a banded V-belt from the KB VB series, with a length of 4000 mm. Banded construction ties multiple V-belt strands into one unit, which keeps them from turning over or jumping off pulleys in drives that use several belts side by side. Use it where the original drive calls for a banded V-belt of this length.

To confirm fit, read the marking on the old belt. Compare the part number, the profile, and the 4000 mm length. Also check the number of ribs in the band and the pulley grooves: a banded belt must match the groove count and the pulley spacing. If the old belt is worn or stretched, measure the drive and compare with the data given here.

Banded V-belts are common on drives that carry heavy loads or run at high speeds, where single belts might slip or flip. They are also used when the drive has several grooves and the belts must work as a set. Inspect pulleys for wear, alignment, and debris before installing a new banded belt. Replace the belt as a complete unit, not strand by strand.

If you need help confirming this belt for your drive, send the part number 4-B 4000, the old belt marking, and the pulley details by WhatsApp or email. The team can check the data and suggest an equivalent if needed.