Description
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.
| Specification | Value |
|---|---|
| Part Number | BB278 |
| Cross Section | BB |
| Construction | Double-V (hex) |
| Top Width | 21/32" |
| Thickness | 0.55" |
| Outside Circumference | 281.5" |
| Temperature Range | -22°F to 176°F |
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.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.