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Ensure peak CNC machining precision with the SKF 6203-2RSH/C3 deep groove ball bearing, engineered to minimize vibration and extend tool life in high-speed spindle applications. This 17x40x12mm precision bearing (P4/P2 grade available) features dual rubber seals (2RSH) that maintain lubrication integrity while blocking contaminants, critical for maintaining tight tolerances in semiconductor and aerospace component manufacturing.
| Parameter | Details |
|---|---|
| Model NO. | 6203-2RSH/C3 |
| Seals Type | 2RS |
| Precision Rating | P0, P6, P5, P4, P2 |
| Lubrication | Grease or Oil |
| Vibration | Z1V1, Z2V2, Z3V3 |
| Rows Number | Single |
| Aligning | Non-Aligning Bearing |
| Load Direction | Radial Bearing |
| Material | Bearing Steel |
| Contact Angle | 0° |
| Separated | Unseparated |
| Standard | DIN, GB, ISO, JIS, ANSI |
| Weight | 0.1 kg |
| Specification | 17×40×12 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482102000 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Spindles, Precision Gearboxes |
| Industrial Automation | Robotic Arms, Conveyor Systems, Servo Motors |
| Medical Equipment | High-Precision Scanning Devices, Diagnostic Machinery |
| Semiconductor Manufacturing | Wafer Processing Equipment, Precision Positioning Systems |
CNC machine operators know the frustration of unexpected downtime—especially when it stems from bearing failure. A single substandard bearing can halt production lines, delay orders, and create cascading maintenance costs. Sourcing authentic high-precision bearings often means navigating multiple suppliers with varying lead times, making emergency repairs even more challenging.
The SKF 6203-2RSH/C3 deep groove ball bearing addresses these pain points directly. As an officially authorized SKF distributor, we guarantee 100% genuine products with full traceability. Our ready stock of P4/P2 precision grade bearings ensures rapid delivery, so you can replace worn components without lengthy delays. Designed for CNC machine tool spindles and precision rotary applications, this bearing combines high radial load capacity with low friction to maintain consistent performance under demanding operating conditions.
This deep groove ball bearing excels in applications requiring precise rotation and minimal vibration, such as CNC lathes, milling machines, and grinding equipment. With a contact angle of 0° and non-aligning design, it delivers reliable radial load support at speeds up to industry-standard limits. The 2RS seal configuration provides effective protection against contaminants while retaining lubrication, making it suitable for both cleanrooms and shop floor environments where dust and coolant exposure is common.
The 17×40×12 mm dimensions of the SKF 6203-2RSH/C3 make it a versatile choice for compact precision systems. Its C3 clearance rating allows for thermal expansion during high-speed operation, reducing internal stress and extending service life. The bearing steel construction ensures durability, while vibration class Z3V3 minimizes noise and resonance—critical factors in maintaining workpiece accuracy. Precision ratings from P0 to P2 mean you can select the exact tolerance level needed for your specific CNC application, from general-purpose machinery to ultra-precision tooling.
Choosing authentic SKF bearings over counterfeit alternatives eliminates hidden costs associated with premature failure. Counterfeit bearings often use substandard materials and imprecise manufacturing, leading to increased vibration, heat generation, and ultimately, catastrophic breakdowns. In contrast, this SKF 6203-2RSH/C3 bearing adheres to strict ISO 9001 and DIN quality standards, ensuring predictable performance and longer intervals between replacements. The initial investment in genuine bearings translates to lower maintenance expenses, fewer production interruptions, and extended equipment lifespan.
With over 800 clients across 45 countries, we’ve built our reputation on delivering premium bearing solutions backed by professional engineering support. Our senior application team provides personalized guidance—from bearing selection to lifecycle management—to ensure optimal performance in your specific working conditions. Every bearing undergoes standardized precision testing before shipment, with shockproof and dustproof logistics solutions designed to preserve accuracy during transport. As your single point of contact, we streamline procurement, documentation, and after-sales support, eliminating the hassle of managing multiple suppliers.
Don’t let bearing issues disrupt your CNC operations. Send us your order details—including quantity and application requirements—and our team will provide a quotation within one working day. With ready stock and efficient logistics, we can have your SKF 6203-2RSH/C3 bearings delivered quickly, minimizing downtime and keeping your production on schedule.
Q: Are these genuine SKF bearings?
A: Yes, we are an officially authorized SKF distributor, and all products are 100% authentic with full traceability documentation and brand authorization certificates.
Q: How can I confirm this bearing fits my CNC machine?
A: Provide your machine model or spindle specifications, and our engineering team will verify compatibility and provide technical guidance at no cost.
Q: What is your warranty policy?
A: We stand behind the quality of all SKF products. Manufacturing defects are covered under SKF’s standard warranty, with replacement or refund available upon verification.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making it easy to source emergency replacement bearings for critical equipment.
Q: How long does shipping take?
A: In-stock bearings are shipped within 3-7 business days via your preferred logistics provider (DHL, FedEx, UPS, etc.), with tracking information provided upon dispatch.
Q: How can I verify the authenticity of the bearing?
A: Each bearing comes with SKF’s original packaging and unique serial number, which can be cross-verified through SKF’s official channels. We also provide full certification documentation with each order.
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