With corrosion-resistant stainless steel construction, ensure durability in harsh environments like marine or chemical processing plants. Compared to standard steel bearings, this model offers superior resistance to rust and corrosion.
With C3 clearance, achieve reduced friction and improved performance in high-speed applications compared to standard C0 clearance bearings*.
With customizable precision ratings (P0-P6) and clearance options, adapt to specific application needs for enhanced performance and longevity.
Designed to handle moderate radial and axial loads, making it ideal for industrial machinery and equipment requiring reliable operation under demanding conditions.
Backed by SKF’s rigorous quality assurance processes, ensuring compliance with global industrial standards for reliability and durability.
The SKF 6224/C3 deep groove ball bearing combines corrosion-resistant stainless steel construction with C3 clearance for high-speed performance. Designed for moderate radial and axial loads, this bearing supports industrial applications in harsh environments like marine equipment or chemical processing.
Feature | Specification | Benefit |
---|---|---|
Material | Stainless steel (outer/inner rings & balls) | Corrosion resistance for harsh environments |
Cage Material | Steel or polyamide | Enhanced load capacity and thermal stability |
Precision Rating | P0, P5, P4, P6 | Customizable accuracy for precision systems |
Sealing Type | 2RS (labyrinth), ZZ (metal shield), Open | Versatile sealing for dust/water resistance |
Clearance | C3 (increased radial clearance) | Reduced friction at high speeds |
Structure | Single-row deep groove | Handles radial and axial loads efficiently |
Adjustable parameters:
With stainless steel construction, you can ensure durability in corrosive environments. The C3 clearance allows for 20% faster operation than standard C0 bearings, making it ideal for high-speed machinery.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Max Speed (rpm) | 1,200,000 | +15% (1,380,000)* | +30% (1,560,000)* |
Corrosion Resistance | Standard | Marine-grade coating | Chemical-resistant plating |
Precision Rating | P0 | P4 | P6 |
Technical Breakthroughs:
Version Selection Guide:
With the Pro version’s chemical-resistant plating and P6 precision, you can safely handle aggressive chemicals while maintaining ultra-precise motion control. Pair its stainless steel structure with C3 clearance for seamless integration into high-speed robotic systems.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Material Composition | Harsh environments with chemicals | - Industry: Carbon Steel (ASTM A311) - Our Base: Bearing Steel (ASTM A276) ▲ - Our Advanced: Stainless Steel (ASTM A276 304) ▲▲ | ▲ Base: Enhanced hardness for durability. ▲▲ Advanced: Corrosion resistance (resists saltwater, chemicals). | Higher cost for stainless steel. |
Cage Material | High-speed machinery, lightweight apps | - Industry: Polyamide (ISO 529) - Our Base: Steel Cage (ISO 15) ▲ (up to 150°C) - Our Advanced: Polyamide + Glass Fiber ▲▲ (lightweight + 200°C) | ▲ Base: Withstands high temperatures. ▲▲ Advanced: Combines weight savings with heat resistance. | Polyamide may degrade without reinforcement. |
Precision Rating | Precision machinery (CNC) | - Industry: P0 (Standard) - Our Base: P5 ▲ (Radial runout ≤ 6 µm) - Our Advanced: P4/P6 ▲▲ (Radial runout ≤ 3 µm) | ▲ Base: Reduced vibration for smoother operation. ▲▲ Advanced: Ultra-precise for high-speed/accuracy needs. | Higher cost for P4/P6. |
Sealing Type | Harsh/dusty environments | - Industry: Open (No seals) - Our Base: ZZ (Metal Shields) ▲ (Dust resistance) - Our Advanced: 2RS (Rubber Seals) ▲▲ (Moisture + dust) | ▲ Base: Metal shields block large particles. ▲▲ Advanced: Full-seal protection for wet/dirty conditions. | Increased friction in sealed versions. |
Radial Clearance (C3) | High-speed applications | - Industry: C0 (Standard) - Our Base: C0 (Same as industry) - Our Advanced: C3 ▲ (Reduced friction at 10,000 RPM+) | ▲ Advanced: Minimizes friction at high speeds (e.g., turbines). | Requires precise installation to avoid looseness. |
Load Capacity | Applications needing axial loads | - Industry: Moderate radial load - Our Base: Moderate radial + light axial ▲ (50% axial) - Our Advanced: Higher radial/axial ▲▲ (70% axial) | ▲ Base: Handles mixed loads in general machinery. ▲▲ Advanced: Supports heavier axial loads (e.g., conveyor systems). | Not optimized for pure axial loads (use thrust bearings for that). |
⭐⭐⭐⭐⭐ James Peterson - Manufacturing Plant Engineer
"We replaced our standard steel bearings with the SKF 6224/C3 stainless steel model in our high-speed conveyor systems, and the difference is remarkable. The C3 clearance has significantly reduced friction and heat buildup, allowing us to run at higher RPMs without premature wear. After 5 months of continuous operation in a humid factory environment, there's zero sign of corrosion."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Elena Vasquez - Marine Maintenance Technician
"Installed these bearings in deck winches aboard a coastal supply vessel. Being exposed to saltwater daily, we used to replace standard bearings every few months. Since switching to the SKF 6224/C3 with stainless steel construction, we've had no failures in over 7 months—despite constant exposure. The 2RS sealing option keeps water out effectively, and lubrication intervals have doubled."Purchase Date: November 2024 | Usage Period: 7 months
⭐⭐⭐⭐☆ David Lin - Process Equipment Operator
"Using the Pro Model (P6 precision, chemical-resistant plating) in our agitator motors for corrosive slurry mixing. The ultra-precise rotation and resistance to chemical splash are exactly what we needed. Installation required careful alignment due to the C3 clearance, but once set, vibration levels dropped noticeably. Only reason for 4 stars: initial cost is high, but justified by performance."Purchase Date: January 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Marcus Reed - HVAC Service Technician
"I’ve used these in large rooftop units where moisture and temperature swings are extreme. The stainless steel build and ZZ shielding prevent dust and condensation ingress better than any other bearing I’ve tried. We’ve had zero bearing-related call-backs since switching to SKF 6224/C3 six months ago. Easy to install and maintain with standard SKF-approved grease."Purchase Date: August 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ Anita Patel - Plant Maintenance Supervisor
"We run over 30 pumps across our facility, many in wet zones. After specifying the Advanced Model (P4, marine-grade coating) for critical zones, mean time between failures increased from 11 to over 18 months. The polyamide cage runs cooler than steel, which helps in our enclosed motor housings. Minor note: sealed versions need monitoring for increased drag during startup."Purchase Date: April 2024 | Usage Period: 10 months
Average Rating: 4.8/5 ⭐ (89 Reviews)
Dr. Alan Foster - Mechanical Systems & Bearings Consultant
"For applications involving high speed, moisture, or chemical exposure, the SKF 6224/C3 in stainless steel with C3 clearance is a benchmark solution. Its compliance with ISO standards, combined with customizable precision (P4–P6) and advanced sealing options, makes it ideal for mission-critical industrial systems. I particularly recommend the polyamide cage variant for applications above 80°C where thermal stability is key."
Linda Wu - Industrial Reliability Engineer
"In my audits of predictive maintenance programs, bearings are a common failure point. The SKF 6224/C3 stands out for its durability in harsh environments. When paired with proper lubrication and alignment practices, it delivers extended service life. For facilities dealing with washdowns or coastal corrosion, this bearing is a cost-effective upgrade over standard carbon steel models."
Posted: 2 days ago
"Running at 12,000 RPM in robotic arms—these bearings handle the speed with minimal heat. The C3 clearance and P5 rating were perfect for our needs. No noise, no vibration. Highly recommend for automation setups."
Posted: 1 week ago
"We’ve struggled with bearing corrosion in our food processing line. After installing the 6224/C3 with 2RS seals, we’ve had zero issues in 6 months. Easy to clean, meets hygiene standards, and runs smoothly. Worth every penny."
Posted: 3 weeks ago
"Excellent bearing, but don’t rush the mounting. The C3 clearance requires precise shaft fit—we had one fail early due to improper press-fit. Once corrected, the others are running flawlessly. Strong build quality and packaging was excellent."
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