Width and Profile: Classic V-Belts (A, B, C, D, and E)

Understanding the Different Profiles of Rubber V-Belts: A, B, C, D, and E

Rubber V-belts are an essential component in power transmission systems, offering efficient and reliable performance in various industrial applications. These belts are categorized into different profiles—A, B, C, D, and E—each designed for specific load capacities and pulley configurations. Understanding these profiles can help in selecting the right belt for your machinery.

Top width: "a" Height: "a" Angle: "θ" 40°

1. Profile A (Light-Duty Applications)

• Top Width: 13 mm (1/2 inch)
• Height: 8 mm (5/16 inch)
• Typical Uses: Small machines, agricultural equipment, and light-duty industrial drives.
• Advantages: Flexible and suitable for lower horsepower applications.

2. Profile B (Medium-Duty Applications)

• Top Width: 17 mm (21/32 inch)
• Height: 11 mm (7/16 inch)
• Typical Uses: HVAC systems, conveyors, and general-purpose industrial machinery.
• Advantages: Offers a balance of power transmission and flexibility.

3. Profile C (Heavy-Duty Applications)

• Top Width: 22 mm (7/8 inch)
• Height: 14 mm (9/16 inch)
• Typical Uses: Large fans, compressors, and sawmills.
• Advantages: Higher load capacity and durability compared to A and B profiles.

4. Profile D (Extra Heavy-Duty Applications)

• Top Width: 32 mm (1-1/4 inch)
• Height: 19 mm (3/4 inch)
• Typical Uses: Crushers, large industrial pumps, and high-torque applications.
• Advantages: Designed for demanding environments with high shock loads.

5. Profile E (Extreme Heavy-Duty Applications)

• Top Width: 38 mm (1-1/2 inch)
• Height: 23 mm (29/32 inch)
• Typical Uses: Mining equipment, heavy-duty conveyors, and large-scale manufacturing.
• Advantages: Maximum power transmission capability for the most demanding applications.

Choosing the correct V-belt profile is crucial for optimizing efficiency, reducing wear, and preventing premature failure. If you're unsure about which belt suits your needs, feel free to contact us.