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Ensure precise, long-term performance for your CNC machine tools with the Deep Groove Ball Bearing SKF 6211-2RS1/C3. Engineered to reduce unplanned downtime, this 55x100x21mm bearing features dual rubber seals (2RS1) that maintain lubrication integrity in high-precision machining environments, while the C3 clearance rating accommodates thermal expansion during continuous operation.
| Parameter | Details |
|---|---|
| Model NO. | 6211-2RS1/C3 |
| Locating Feature, Bearing Outer Ring | None |
| Filling Slots | Without |
| Cage | Sheet Metal |
| Bore Type | Ball |
| Material | Bearing Steel |
| Specification | 55x100x21mm |
| Trademark | SKF |
| Origin | Germany Sweden Japan China |
| HS Code | 8482102000 |
| Package Size | 35.00cm × 35.00cm × 20.00cm |
| Package Gross Weight | 4.000kg |
| Lead Time | 3 days (1 - 100 Pieces) To be negotiated (> 100 Pieces) |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Spindles, Precision Machining Centers |
| Industrial Automation | Robotic Arms, Conveyor Systems, Precision Actuators |
CNC machine operators know the frustration of unexpected spindle failures—hours of production lost, emergency repair costs, and missed deadlines. Many face the double challenge of sourcing authentic bearings quickly while ensuring cross-brand compatibility for complex maintenance projects. In precision manufacturing, even a 0.01mm tolerance error can compromise part quality, making reliable bearing procurement critical to operational success.
Our SKF 6211-2RS1/C3 Deep Groove Ball Bearing delivers the precision your CNC machine tools demand. As an officially authorized SKF distributor, we maintain ready stock of P4/P2 precision grade bearings, ensuring this 55x100x21mm model ships within 3 days for orders under 100 pieces. Each unit undergoes standardized precision testing before dispatch, matching ISO 9001 and DIN quality standards to eliminate the risk of premature failure in high-speed spindle applications.
This Deep Groove Ball Bearing excels in the continuous, high-speed rotation of CNC spindles, where it withstands radial loads while maintaining minimal friction. The 2RS1 sealed design provides effective protection against coolant ingress and metal particulates common in machining environments, extending service intervals compared to open bearings. With a sheet metal cage optimized for dynamic stability, it maintains consistent ball spacing even at maximum operating speeds, critical for maintaining machining accuracy.
The 6211-2RS1/C3 designation reveals key performance characteristics: the 'C3' clearance class accommodates thermal expansion in high-temperature operations, preventing bearing seizure during extended machining cycles. Bearing steel construction ensures durability under cyclic loading, while the non-locating outer ring design simplifies installation and alignment in precision assemblies. These features combine to deliver predictable performance in applications requiring both radial load capacity and rotational precision—exactly what modern CNC machines demand.
Non-genuine bearings often fail within 30-50% of the expected service life, leading to unplanned downtime that costs manufacturers an average of $2,000-$5,000 per hour in lost production. Our SKF bearings come with complete certification documentation, traceable to the original manufacturing batch, ensuring compliance with aerospace and medical device industry standards. Choosing authentic components reduces total cost of ownership by minimizing replacement frequency and protecting expensive CNC equipment from damage caused by substandard bearings.
We’ve earned the trust of industrial customers across 45 countries by delivering on four core commitments: 100% authentic products backed by official brand authorization, a senior application engineering team with on-site project experience, full-process quality traceability through standardized testing, and professional shockproof logistics that preserve bearing accuracy during transportation. Our one-stop procurement process eliminates the need to coordinate with multiple suppliers, reducing administrative overhead while ensuring consistent quality across your bearing inventory.
Don’t let bearing availability delay your production schedule. Send us your order details—including quantity and application requirements—and our team will confirm stock and provide a quotation within one working day. With our ready inventory and global delivery network, your SKF 6211-2RS1/C3 bearings can be on-site when you need them most.
Q: Are these genuine SKF bearings?
A: Yes, we are an officially authorized SKF distributor. Every bearing comes with complete certification documentation and can be traced to the original manufacturing batch.
Q: How do I confirm this bearing fits my CNC machine?
A: Provide your machine model or spindle specifications, and our engineering team will verify compatibility based on load requirements and operating conditions.
Q: What is your warranty policy?
A: We honor SKF’s original warranty terms, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting emergency maintenance needs and small-batch requirements.
Q: How quickly can you ship to [my location]?
A: Standard delivery takes 3-7 business days via international courier. Contact us with your location for a precise timeline.
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes SKF’s original packaging with security features. We also provide batch traceability documents and can assist with verification through SKF’s official channels.
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