Premium custom cast iron belt pulleys for industrial power transmission. OEM V-belt pulleys with multiple groove options and machining services.
Our custom cast iron belt pulleys are precision-engineered power transmission components designed for industrial belt drive systems, including V-belt, timing belt, and flat belt applications. These pulleys ensure reliable torque transfer and long service life in demanding environments such as manufacturing, material handling, agriculture, and mining.
As a trusted industrial pulley manufacturer, we offer full OEM/ODM custom pulley services — producing cast iron pulleys according to your drawings, sizes, material requirements, and surface treatments.
High-Strength Cast Iron Construction – Durable material capable of withstanding heavy belt tension and continuous operation.
Precision Groove Profiles – Engineered groove shapes (V, multi-V, timing profiles) optimized for belt grip and minimal slippage.
Custom Machining Options – CNC machining available for precise bore, keyway, and taper lock bush specifications.
Multiple Belt & Groove Configurations – Supports common belt standards such as SPA, SPB, SPC, SPZ and American belts like 3V/5V/8V.
OEM/ODM Service Support – Production per customer drawing or sample, with flexible manufacturing and surface finish options.
| Specification | Details |
|---|---|
| Product Type | Custom Cast Iron Belt Pulley |
| Material | Cast Iron (GG20, GG25, other upon request) |
| Groove Types | V-belt grooves, Timing belt profiles, Flat belt grooves |
| Machining | CNC bore, keyway, taper lock, surface finish |
| Standards | European & American belt standards |
| Customization | OEM/ODM per drawing or sample |
Cast iron belt pulleys are widely used across multiple industries for power transmission and drive systems, including:
Industrial machinery & manufacturing lines
Belt conveyors and material handling systems
Agricultural and outdoor equipment
Mining & construction machinery
HVAC, pumps, and compressors
Automotive and engine accessory drives
Their robust design ensures stable belt engagement, reduced vibration, and extended service life, especially under heavy loads and long hours of operation.
We specialize in providing custom pulley solutions including:
✔ Custom diameter and groove configurations
✔ Precision bore and keyway machining
✔ Surface finishing per environmental requirements
✔ OEM prototype development and sample verification
Our engineering team works directly with buyers to ensure pulley design meets exact performance and installation needs.
Experienced cast iron pulley manufacturer
Advanced machining and quality inspection systems
Flexible OEM production for small or large batches
Competitive, factory-direct pricing
Reliable export packaging and delivery
Interested in custom cast iron belt pulleys for your industrial application?
Contact us now with your drawings, specifications, or samples to get a competitive quotation and technical support tailored to your needs.
No. 7, inside No. 345, Linfu West Street, Yingdong Village, Beian Sub-district Office, Jimo District, Qingdao City, Shandong Province
