HC50 HC109 Spline Sleeve
HC50 and HC109 spline sockets are important accessories in pneumatic rock drilling rigs, playing a key role in connecting rock drilling rigs and rock drilling bits.They are made of high quality materials with high strength, wear and corrosion resistance, and can withstand high impact and torsion forces to ensure the stability and safety of rock drilling operations.
When precision and durability matter most in power transmission systems, nothing beats the reliability of a well-designed HC50 HC109 Spline Sleeve. These industrial-grade components are critical for transmitting torque efficiently between shafts and couplings in high-load applications such as drilling rigs, heavy machinery, gearboxes, and mining equipment.
Whether you’re upgrading existing systems or sourcing OEM replacement parts, investing in the right HC50 HC109 Spline Sleeve ensures optimal alignment, reduced wear, and long-term mechanical integrity.
What is an HC50 HC109 Spline Sleeve?
An HC50 HC109 Spline Sleeve is a cylindrical mechanical component with internal splines precisely engineered to match external splines on shafts or couplings. These sleeves are designed to ensure secure torque transmission while allowing for axial movement and thermal expansion, making them ideal for dynamic, high-load environments.
Both the HC50 and HC109 spline sleeve variants are commonly used in hydraulic drive systems, PTO (power take-off) assemblies, and rotary drilling rigs.
Why Choose HC50 HC109 Spline Sleeve?
Here’s why professionals across heavy industries prefer the HC50 HC109 Spline Sleeve:
✅ 1. High Precision Fit
Machined to exact tolerances, the HC50 HC109 Spline Sleeve ensures minimal backlash and seamless power transmission between mating components.
✅ 2. Superior Torque Handling
Made from high-strength alloy steel or carbon steel, these sleeves can handle high levels of torque and stress, even in continuous-duty operations.
✅ 3. Long Service Life
Heat-treated surfaces provide exceptional resistance to wear, fatigue, and corrosion, extending the life of your entire powertrain system.
✅ 4. Compatibility & Versatility
The HC50 HC109 Spline Sleeve fits a wide range of standard spline profiles and is compatible with multiple manufacturers' drive systems.
✅ 5. Easy Installation & Maintenance
Engineered for quick fitment and removal, these sleeves reduce downtime during equipment servicing or part replacement.
Applications of HC50 HC109 Spline Sleeve
The HC50 HC109 Spline Sleeve is widely used in:
Rotary Drilling Rigs (mud pump drives, top drives)
Construction Machinery (excavators, tunnel boring machines)
Agricultural Equipment (tractors, PTO shafts)
Industrial Gearboxes
Hydraulic Power Units
Marine Propulsion Systems
No matter the application, a premium-quality HC50 HC109 Spline Sleeve will deliver the performance and durability your operation depends on.
Technical Specifications (Example)
| Parameter | HC50 | HC109 |
|---|---|---|
| Inner Diameter | 50 mm | 109 mm |
| Material | 20CrMnTi / 40Cr Hardened Steel | 42CrMo Alloy Steel |
| Hardness | HRC 58-62 (Surface) | HRC 58-62 (Surface) |
| Tolerance | ISO H7 | ISO H7 |
| Surface Treatment | Nitrided / Black Oxide / Phosphate Coated | Nitrided / Zinc Coated |
Note: Custom dimensions and spline profiles available upon request.
What Customers Are Saying
“The HC109 spline sleeve was a perfect match for our hydraulic pump. Durable and precise—exactly what we needed.”
“We use HC50 spline sleeves in all our drilling rigs. Zero issues even under extreme torque.”
“Great fit, fast shipping, and unbeatable material quality. Highly recommended.”
How to Choose the Right HC50 HC109 Spline Sleeve
When selecting the ideal HC50 HC109 Spline Sleeve, consider the following:
Spline Dimensions – Match the spline count, module, and form precisely.
Material Strength – Choose based on torque requirements and working conditions.
Heat Treatment – For high-cycle usage, go for induction-hardened or nitrided surfaces.
Operating Environment – Select coatings for corrosion-prone or high-moisture applications.
OEM Compatibility – Ensure compatibility with your drive unit or coupling brand.
Where to Buy HC50 HC109 Spline Sleeve
A top-tier HC50 HC109 Spline Sleeve supplier will offer:
In-stock availability with fast global delivery
OEM & ODM customization services
Full technical drawings upon request
Quality assurance certifications (ISO, CE)
Competitive pricing for bulk orders
Look for manufacturers with proven expertise in precision machining and power transmission components to ensure reliability in critical applications.
Final Thoughts: The Spline Sleeve That Keeps Your System Running
In any power-driven mechanical system, a failure at the coupling point can lead to catastrophic downtime and costly repairs. The HC50 HC109 Spline Sleeve is your frontline defense—engineered for performance, crafted for precision, and trusted in the harshest industrial environments.
Don’t compromise on the small parts that make a big impact. Choose the HC50 HC109 Spline Sleeve for unmatched strength, stability, and service life.
Thanks to the use of high-quality alloy steel or other special materials, HC50 and HC109 spline sleeves have excellent corrosion and wear resistance, and can be used for a long time in harsh working environments without deformation or damage. Whether under severe conditions such as high temperature, high humidity and high pressure, or in frequent shock and vibration environments, the spline sleeve can maintain stable performance, ensuring the normal operation and safety of the equipment.
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