Sintered oil pump rotors are critical precision components engineered to deliver consistent lubrication in automotive and industrial engine systems. Manufactured using advanced powder metallurgy technology, these rotors ensure reliable oil circulation, pressure stability, and long operational life. Designed for OEMs and large-scale industrial buyers, premium sintered oil pump rotors offer an ideal balance of performance, durability, and cost efficiency for high-volume production environments.
The uniform pore structure and optimized tooth geometry achieved through sintering allow for smooth oil flow with minimal turbulence. This results in improved volumetric efficiency, reduced internal leakage, and stable oil pressure across varying operating conditions. Sintered rotors also minimize friction losses, contributing to enhanced pump efficiency and overall engine performance.
Iron Powder Metallurgy
Premium sintered oil pump rotors are manufactured using high-purity iron powder blends, sometimes alloyed for enhanced strength and wear resistance. Powder metallurgy enables precise control over material composition, density, and mechanical properties, ensuring consistent quality across large production batches.
Controlled Sintering for Durability
The rotors undergo a controlled sintering process at high temperatures, bonding the powder particles into a dense, durable structure. Post-sintering operations such as sizing, machining, and surface treatment further improve dimensional accuracy, load-bearing capacity, and operational lifespan. This process ensures excellent resistance to wear, fatigue, and thermal stress in demanding applications.
We specialize in high-volume manufacturing of sintered oil pump rotors for OEMs, exporters, and industrial distributors. Our capabilities include custom rotor designs, application-specific sizing, and material optimization tailored to meet performance requirements. Each batch is produced under strict quality control standards, ensuring export-ready reliability, dimensional consistency, and long-term supply stability for global automotive and industrial markets.
| Component Name | Oil Pump Rotor |
| Material | Sintered Iron |
| Density | 6.4 – 7.2 G/cm³ |
| Manufacturing Process | Powder Metallurgy |
| Porosity | 10% – 20% |
| Rotor Thickness | 6 Mm – 20 Mm |
| Number Of Lobes | 5–7 Lobes |
| Hardness | 60 – 80 HRB |
| Tensile Strength | 350 – 600 MPa (depends On Material |
| Elongation At Break | 1% – 5% |
| Oil Impregnation | Yes, Self-lubricating Properties |
| Thermal Conductivity | 20 – 50 W/m·K |
| Noise Performance | Low, Due To Smooth Engagement Of Lobes |
| Wear Resistance | High |
| Assembly Method | Press-fit Or Interference Fit Into Pump |
| High Volumetric Efficiency | 98% |
| Temperature Range | 0°C To +150°C |
| Application | Automotive, Transmission Pumps, Industrial Lubrication Units |
| Dimensional Accuracy | Up To 0.01mm |
| Features | Easy To Use, Compact Design, Low Material Waste, Stability, Cost-effective |
| Manufacture By | Growth Industries |
| Origin | India |
