Megadyne BB278 Double V-Belt, BB Section

The Megadyne BB278 is a double-angle (hex) V-belt in the BB section with a 281.5" outside circumference. Its symmetrical profile transmits power from both sides, making it ideal for serpentine drives with multiple driven pulleys. It is a direct replacement for Jason Industrial BB278.

Applications

• Serpentine drives with multiple driven pulleys
• Drives requiring power transmission from both belt sides
• Agricultural machinery

Cross-References

The BB cross section and length are industry-standard, so the BB278 interchanges with Gates BB278, Dayco BB278, Continental BB278, and Jason Industrial BB278. Browse the v belts collection.

Frequently Asked Questions

What is the Megadyne BB278 used for?

The BB278 is used for serpentine drives with multiple driven pulleys, such as drives requiring power transmission from both belt sides and agricultural machinery.

What are the dimensions of BB278?

The BB278 has a 21/32" width, a 281.5" outside circumference in the BB cross section.

Is BB278 interchangeable with Gates BB278?

Yes. The BB section and length are industry-standard, so the Megadyne BB278 interchanges with Gates, Dayco, Continental, and Jason Industrial belts of the same designation.

What is the temperature rating of BB278?

The BB278 is rated for continuous operation from -22°F to 176°F.

Does BB278 ship from Houston?

Yes. The BB278 ships from the Texas Belting & Supply warehouse in Houston, TX, with same-day shipping on stock items. Call (888) 203-2358 for stock and lead time.