Lightweight AK57H Sheave Pulley for A, 3L, 4L Belts - China Suppliers & Factory Supply Quality Gray Cast Iron Pulleys
ity Phosphating V Belt Pulley With Solid Hub
Taper bush pulley and solid hub pulley, various speed pulley, flat belts pulley, adjustable speed v belt pulley, material is gray cast iron, they have good hardness and strength.
European Standard Pulley
For European standard, after precise machining, and then the pulley will be phosphated, and then it will be anti rusted.
American Standard Pulley
For American standard pulley, they are suitable for 3L, 4L, 5L, A, B, C, 3V, 5V, 8V belt, after precise machining and power painting, they will get smooth and beautiful surface and good anticorrosive capacity.
Flat Belt pulley for taper bush type range: 63~630. Sheave for taper bush, Sheave for "QD" taper bush, Sheaves for "Split" taper bush, Sheaves for 3L, 4L, 5L, A, B, C, Z belt and so on. We are professional supplier for pulley and taper lock bushing, and we can produce as per your drawing or sample also.
Specifications
1) European Standard
- V-belt pulleys for taper bushings: SPZ, SPA, SPB, SPC; up to 10 grooves
- Adjustable speed V-belt pulleys and variable speed pulleys
- Flat belt pulleys and conveyor belt pulleys
2) American Standard
- Sheaves for taper bushings: 3V, 5V, 8V
- Sheaves for QD bushings: 3V, 5V, 8V
- Sheaves for split taper bushings: 3V, 5V, 8V
- Sheaves for 3L, 4L or A, and 5L or B belts: AK, AKH, 2AK, 2AKH, BK, BKH, 2BK, 2BKH, 3BK
- Adjustable sheaves: poly V-pulley, multi-pitch H, L, J, K and M
V-Belt Pulleys For Taper Bushes
Frequently Asked Questions
What materials are used to manufacture the V-belt pulleys?
Our pulleys are made of high-quality materials including gray cast iron, ductile iron, nylon, and aluminum, which offer excellent hardness, strength, and durability.
What is the difference between the European and American standard pulleys?
European standard pulleys are precisely machined, phosphated, and treated for anti-rust protection. American standard pulleys are designed for 3L, 4L, 5L, A, B, C, 3V, 5V, 8V belts, and are processed with precise machining followed by powder painting for a smooth, corrosion-resistant finish.
What types of bores and installation options do you offer?
We support multiple bore configurations including pilot bore, finished bore, taper bore, and specialized bores designed for QD bushings.
What surface finishes are available to prevent rust and corrosion?
We provide three main surface finishing options depending on your application needs: industrial paint, phosphating treatment, and zinc plating.
Do you support custom manufacturing or OEM orders?
Yes, we are a professional supplier for pulleys and taper lock bushings. We welcome OEM inquiries and can manufacture products customized to your specific engineering drawings or samples.

