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Lightweight AK57H Belt Pulley Sheave for A, 3L, 4L Belts - China Suppliers & Factory with Quality Cast Iron
High Quality Phosphating V Belt Pulley
We provide premium Taper bush pulleys and solid hub pulleys, including various speed pulleys, flat belt pulleys, and adjustable speed v-belt pulleys. Manufactured from high-grade gray cast iron, these products offer exceptional hardness and structural strength.
Manufacturing Standards
European Standard
Pulleys undergo precise machining followed by a phosphating treatment to ensure superior anti-rust protection.
- V-belt pulleys for taper bushings: SPZ, SPA, SPB, SPC
- Up to 10 grooves configuration
- Adjustable and variable speed pulleys
- Flat belt and conveyor belt pulleys
American Standard
Suitable for 3L, 4L, 5L, A, B, C, 3V, 5V, 8V belts. Finished with precise machining and power painting for a smooth, anti-corrosive surface.
- Sheaves for taper, QD, and split taper bushings
- Models: AK, AKH, 2AK, 2AKH, BK, BKH, 2BK, 2BKH, 3BK
- Poly V-pulley, multi-pitch H, L, J, K, M
Technical Specifications
- Bore Types: Pilot bore, finished bore, taper bore, bore for QD bushing.
- Surface Finish: Paint, phosphating, zinc plated.
- Materials: Cast iron, ductile iron, nylon, aluminum.
- Customization: Professional OEM production according to your drawings or samples.
- Range: Flat Belt pulley for taper bush type range 63~630.
Frequently Asked Questions
Q1: What materials are used for your belt pulleys?
A: Our pulleys are primarily made from high-quality gray cast iron, but we also offer options in ductile iron, nylon, and aluminum depending on your requirements.
Q2: Do you support both European and American standards?
A: Yes, we manufacture pulleys according to both European standards (SPZ, SPA, SPB, SPC) and American standards (3V, 5V, 8V, and various A/B/C belt series).
Q3: What surface treatments do you provide for rust prevention?
A: We offer several surface finishes including phosphating (common for European standards), power painting (common for American standards), and zinc plating to ensure excellent anti-corrosive capacity.
Q4: Can you produce pulleys based on custom designs?
A: Absolutely. As a professional supplier, we welcome OEM inquiries and can produce pulleys exactly according to your specific drawings or samples.
Q5: What types of bushings are compatible with your pulleys?
A: Our pulleys are designed for various mounting systems, including taper bushings, "QD" taper bushings, and "Split" taper bushings.
Q6: What is the range for flat belt pulleys?
A: For taper bush type flat belt pulleys, our standard production range is from size 63 to 630.