Description
The Gates B146 Hi-Power II is a premium classical V-belt engineered for dependable power transmission in HVAC equipment, industrial machinery, and commercial applications. Built on Gates’ trusted Hi-Power II platform, this B-section belt is designed to deliver consistent performance, resist heat and oil, and extend service life compared to standard V-belts.
Product Overview
The B146 belongs to the Gates Hi-Power II classical V-belt series — one of the most widely specified belt lines in the HVAC and mechanical trades. The Hi-Power II construction features a high-modulus polyester tension cord for superior load-carrying capacity and dimensional stability, minimizing belt stretch and reducing the need for frequent re-tensioning.
Key Features
- B-section classical V-belt profile for broad sheave compatibility
- 149″ outside circumference (nominal designation: B146)
- Hi-Power II construction with high-modulus polyester tension cords
- Oil- and heat-resistant rubber compound for extended service life
- Antistatic construction per industry standards
- RMA/MPTA standard dimensions for drop-in replacement compatibility
- Suitable for use on standard and deep-groove sheaves
Typical Applications
- HVAC blower and fan drives
- Air handling units (AHUs)
- Compressor drives
- Industrial machinery and pump drives
- Agricultural and commercial equipment
Specifications
- Brand: Gates
- Part Number: B146
- Series: Hi-Power II
- Belt Section: B (Classical)
- Outside Circumference: 149″
- Top Width: 21/32″
- Depth: 13/32″







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