In demanding industrial environments, precision and durability are critical. 17mm GCr15 steel balls are engineered to meet the highest standards for bearing applications, ensuring smooth operation, extended lifespan, and minimal friction. These high-carbon chromium alloy steel balls are widely used in automotive, aerospace, machinery, and heavy equipment industries.
Specifications & Material Properties
- Material: GCr15 (AISI 52100 equivalent)
- Diameter Range: 13mm–25mm (standard 17mm)
- Hardness: 60-66 HRC
- Tolerance Grade: G10 (ultra-precision)
- Surface Finish: ≤ 0.05μm Ra
- Roundness: ≤ 0.25μm
- Application Temperature: -60°C to +150°C
Key Applications
17mm GCr15 steel balls are essential components in high-performance bearings, including:
- Ball Bearings: Deep groove, angular contact, and thrust bearings
- Automotive Systems: Transmissions, wheel hubs, and steering mechanisms
- Aerospace & Defense: Landing gear, actuators, and rotor systems
- Industrial Machinery: Pumps, compressors, and CNC equipment
- Medical Devices: Precision surgical instruments
Advantages of GCr15 Steel Balls
- High Wear Resistance: GCr15’s chromium content enhances hardness and longevity.
- Low Friction: Ultra-smooth surface reduces energy loss in bearings.
- Corrosion Resistance: Suitable for harsh environments with proper lubrication.
- Dimensional Stability: Maintains precision under high loads and speeds.
- Cost-Effective: Superior performance-to-price ratio compared to ceramic alternatives.
Quality Control & Testing
Our 17mm GCr15 steel balls undergo rigorous quality checks, including:
- Dimensional Inspection: Laser micrometers verify diameter, roundness, and sphericity.
- Hardness Testing: Rockwell and Vickers methods ensure compliance.
- Surface Analysis: Microscopic examination for defects.
- Material Certification: Traceable to international standards (ISO, DIN, ABMA).
Frequently Asked Questions (FAQ)
Q1: What is the difference between GCr15 and AISI 52100?
A: GCr15 is the Chinese equivalent of AISI 52100, with nearly identical chemical composition and mechanical properties.
Q2: Can GCr15 steel balls be used in high-temperature applications?
A: While GCr15 performs well up to 150°C, specialized heat-resistant alloys are recommended for extreme temperatures.
Q3: What lubrication is best for GCr15 bearings?
A: High-quality grease or oil with anti-wear additives is ideal for maximizing lifespan.
Q4: Are custom sizes available?
A: Yes, we produce GCr15 steel balls in diameters from 13mm to 25mm upon request.
Conclusion
17mm GCr15 steel balls are a reliable choice for industrial applications requiring precision, durability, and cost efficiency. With strict quality control and adherence to global standards, our products ensure optimal performance in bearings and machinery.
Contact us for free samples: Email: zjhl@gcr15ball.com