Description
The Gates B115 (Part No. 90032115) is a Classical B Section V-Belt engineered for dependable power transmission across a wide range of HVAC, commercial, and industrial drive applications. Gates is a globally recognized leader in belt drive technology, and the B-section series is one of the most widely used standard V-belt profiles in the industry.
Product Overview
The B115 designation follows the industry-standard naming convention: “B” denotes the cross-section profile, and “115” refers to the nominal inside circumference in inches. This belt is designed to fit standard B-section sheaves and pulleys, making it a direct drop-in replacement for OEM and aftermarket drive systems on air handlers, blowers, fans, compressors, and other HVAC equipment.
Key Features
- Classical B Section profile for compatibility with standard B-section sheaves and pulleys
- 115″ nominal inside circumference (approximately 118″ outside circumference)
- High-strength cord construction for excellent tensile strength and load-carrying capacity
- Heat- and oil-resistant rubber compound for extended service life
- Engineered for smooth, efficient power transmission with minimal slip
- Suitable for single and multi-belt drive configurations
- Manufactured to RMA (Rubber Manufacturers Association) industry standards
Typical Applications
- HVAC air handlers and fan coil units
- Blower and ventilation fan drives
- Commercial and industrial compressor drives
- Pump drives and general power transmission equipment
Why Choose Gates?
Gates has been a trusted name in power transmission belts for over a century. Their Classical V-Belt line is manufactured to tight tolerances, ensuring consistent performance, longer belt life, and reduced maintenance downtime — making the B115 an ideal choice for HVAC professionals and facility maintenance teams alike.







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