Description
Product Overview
The CMFG 3.95‑inch V‑belt pulley is engineered from high‑grade cast iron, providing a robust, rust‑resistant solution for power transmission. It features a 1‑groove design compatible with standard “4L”/”A” and “5L”/”B” V‑belts, and a fixed 7/8‑inch bore for secure shaft mounting. The pulley is statically balanced and includes standard keyseats, ensuring smooth operation and minimal vibration in continuous‑run applications.
Usage
Designed for industrial equipment, this pulley excels in material handling systems, conveyor drives, and heavy‑duty machinery where reliable torque transfer is critical. Its classic V‑belt profile fits existing drive designs, making retrofits straightforward. 
Why Choose Us
CMFG combines decades of engineering expertise with rigorous quality control. Each pulley undergoes rust‑spraying and precision casting to meet exact dimensional tolerances. Our commitment to durability means reduced downtime and lower total cost of ownership for your operation.
Key Features
- Cast iron construction with rust‑resistant coating for long life
- 1‑groove design compatible with standard V‑belt series
- Fixed 7/8‑inch bore ensures secure, repeatable mounting
- Statically balanced to minimize vibration and noise
- Standard keyseats and finished bore for easy installation
FAQ
What belt sizes are compatible with this pulley?
The pulley fits standard “4L”/”A” and “5L”/”B” V‑belts, making it suitable for a wide range of industrial drive applications.
Is the bore fixed or adjustable?
The bore is a fixed 7/8‑inch size, providing a secure fit on matching shafts without the need for additional adapters.
Can this pulley be used in high‑temperature environments?
Yes, the cast iron material tolerates elevated temperatures typical of most industrial processes, though extreme heat beyond the material’s rating should be avoided.
What is the warranty period?
CMFG offers a one‑month worry‑free return service for this pulley, ensuring customer satisfaction and confidence in product quality.
How do I install the pulley?
Mount the pulley onto a 7/8‑inch shaft using the standard keyseat, align the groove with the belt, and secure with set screws or a retaining ring as required.
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