550 191 21 GEAR WHEEL SANDVIK – Premium-Grade OEM Replacement by 3GEN Export

The 55019121 GEAR WHEEL SANDVIK is a precision-engineered component essential for the smooth, synchronized functioning of Sandvik’s high-performance rock drilling equipment. Manufactured with industrial-grade alloy steel and engineered to tight tolerances, this gear wheel plays a vital role in transmitting rotational force with exceptional accuracy and minimal backlash in harsh mining and tunneling environments.

Whether you operate in underground mining, quarrying, or large-scale infrastructure drilling, the 550 191 21 gear wheel ensures your machinery performs with peak torque transfer and minimal energy loss. It is specifically developed to meet the demanding operational needs of Sandvik’s rock drill models.

Key Features of 550 191 21 GEAR WHEEL SANDVIK

• OEM-Compatible Precision
  Designed as a direct fit replacement part, this gear wheel ensures compatibility with designated Sandvik drilling systems, providing easy integration without modification.

• High-Performance Alloy Construction
  Crafted from wear-resistant, heat-treated alloy steel for high strength and prolonged service life under extreme torque and pressure loads.

• Exact Tooth Geometry
  Milled using advanced CNC machining to ensure uniform tooth pitch, leading to smooth power transmission and reduced wear on mating parts.

• Durability Under Harsh Conditions
  Built to withstand high-impact applications, heavy debris environments, and variable temperature conditions typical of rock drilling sites.

• Corrosion and Surface Fatigue Resistance
  The gear wheel’s treated surface ensures protection against rust and pitting, even in wet or chemically aggressive working environments.

Technical Specifications

• Part Number: 550 191 21

• Part Name: Gear Wheel

• Material: High-Strength Alloy Steel

• Surface Finish: Precision Ground with Anti-Corrosion Coating

• Tooth Profile: Straight-cut gear teeth for consistent power distribution

• Installation: Direct-fit on compatible Sandvik rock drill equipment

• Performance Rating: Suitable for continuous-duty applications

Compatible Sandvik Models

The 550 191 21 GEAR WHEEL SANDVIK is widely used in the following Sandvik hydraulic drifter systems:

• HL600 Series

• HL650 Series

• HL700 Series

• And other selected HL-class rock drill assemblies

Please consult your equipment manual or reach out to 3GEN Export’s technical team for precise model compatibility.

Why Choose 3GEN Export?

At 3GEN Export, we specialize in delivering high-quality OEM-equivalent spare parts for heavy machinery. Our components are meticulously manufactured to meet or exceed performance expectations, ensuring both cost-efficiency and mechanical integrity.

• Global delivery within 5 business days

• One-year manufacturer-backed warranty

• Competitive pricing with no hidden shipping costs

• Trusted by mining and construction professionals across 40+ countries

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Final Thoughts

Upgrading or replacing your worn gear wheel with the 550 191 21 GEAR WHEEL SANDVIK by 3GEN Export guarantees uninterrupted workflow, enhanced machine longevity, and optimal operational safety. Our parts are engineered for seamless installation and robust performance — a vital investment in your drilling efficiency.

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Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.