Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
Deep Groove Ball Bearing
In Stock
High Precision Deep Groove Ball Bearing SKF 6306 30x72x19mm 2RS1/C3 for CNC Machinery
ISO 9001 · DIN Certified
<p>Ensure precise, uninterrupted performance for your CNC machinery with the high-precision SKF 6306 bearing, engineered to deliver consistent radial load support and minimal vibration even under continuous operation. This 30x72x19mm deep groove ball bearing features 2RS1 seals and C3 clearance, balancing contamination resistance with thermal expansion flexibility—critical for maintaining machining accuracy in high-speed applications.</p><ul><li><strong>SKF 6306 2RS1/C3</strong> design ensures long-term reliability, reducing unplanned downtime and simplifying maintenance workflows</li><li>Precision rating options up to P2 grade meet strict ISO 9001/DIN standards, ideal for demanding CNC tooling environments</li><li>Single-row, non-aligning construction with 0° contact angle optimizes load distribution, enhancing overall system stability</li></ul>
Technical Specifications
- Type
- Deep Groove Ball Bearing
- Precision Class
- P4 / P2
- Certification
- ISO 9001
- Radial Runout
- ≤ 1.5 μm
- Delivery
- 3-7 Business Days
Related Keywords
Reply within 12 hours
NDA available
Full certification docs
Precision packaging
Product Description
Technical Details & Application
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 6306/6306-2RS1-C3/6306-2Z/6306-2RS1 |
| Seals Type | Zz 2RS Open |
| 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 | 0.4 kg |
| Specification | 30×72×19 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482102000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Spindles, Electric Motors |
| Automation | Robotic Arms, Conveyor Systems |
| Medical Equipment | Precision Diagnostic Machinery |
| Aerospace | Testing Equipment, Avionics Systems |
| Semiconductor | Wafer Processing Machines |
Eliminate CNC Downtime with Genuine SKF 6306 2RS1/C3 Bearings
CNC operators know the cost of unexpected spindle failure—hours of production lost, missed deadlines, and emergency repair bills. Many turn to uncertified suppliers for quick fixes, only to face premature bearing wear caused by substandard materials or poor manufacturing tolerances. Sourcing multiple bearing types from different vendors further complicates logistics, leading to delayed deliveries and mismatched quality standards.
Precision Engineered for CNC Machinery Performance
Our SKF 6306 2RS1/C3 deep groove ball bearing is designed to solve these challenges. As an official SKF distributor, we ensure every unit meets the brand’s strict quality criteria, with a precision rating up to P2 grade that guarantees consistent performance in high-speed CNC applications. The 30x72x19mm dimensions and C3 clearance make it ideal for motor spindles and gearboxes, where radial load capacity and thermal expansion compensation are critical.
Optimized for High-Speed, Heavy-Duty Operations
This SKF deep groove ball bearing excels in environments where rotational speeds exceed 10,000 rpm, such as CNC lathes and milling machines. Its 2RS1 seals provide effective protection against coolant and metal chips, while the bearing steel construction ensures durability under continuous operation. The non-aligning design maintains stability even under moderate shaft misalignment, reducing vibration and extending equipment lifespan.
Technical Features That Maximize CNC Uptime
The C3 clearance rating is particularly important for CNC applications, allowing for thermal expansion during extended use without compromising precision. This prevents premature bearing lock-up and ensures consistent spindle accuracy. The Z3V3 vibration class further minimizes operational noise and resonance, critical for maintaining surface finish quality in precision machining. With a static load capacity suitable for radial loads up to 15 kN (typical for SKF 6306 series), this bearing balances durability and performance for heavy-duty CNC operations.
Avoid the Hidden Costs of Counterfeit Bearings
Non-genuine bearings may cost 30% less upfront, but they often fail within 3-6 months in CNC applications. A single spindle failure can result in $5,000+ in repair costs and 48+ hours of downtime. Our ISO 9001-compliant inspection process verifies every bearing’s dimensions, material composition, and load ratings before shipment, ensuring compliance with DIN standards and SKF’s original specifications. This attention to quality reduces total cost of ownership by minimizing unplanned maintenance and extending service intervals.
Why 800+ Global Clients Trust Our Bearings
As an official SKF distributor with dual European brand authorization, we provide full traceability for every bearing—from factory origin to delivery. Our senior application engineers offer free pre-purchase technical consultation, helping you select the right seal type and clearance for your specific CNC model. With P4/P2 grade stock available in our centralized warehouse, we can fulfill urgent orders within 3-7 business days. We’ve served 45+ countries since 2010, building a reputation for reliable logistics and responsive after-sales support, including manufacturer-backed warranty claims.
Packaging & Shipping
- Original SKF packaging with anti-counterfeit labels and batch traceability documentation
- Reinforced carton palletizing for shock protection during transit
- 3-7 business day delivery for in-stock items via DHL, FedEx, or UPS
- Real-time logistics tracking and delivery confirmation
- Minimum order quantity: 1 unit, supporting emergency maintenance needs
Get Your CNC Back to Full Production
Don’t let bearing issues disrupt your manufacturing schedule. Send us your SKF 6306 bearing requirements, including quantity and application details, and our team will provide a detailed quote within 24 hours. With our precision testing procedures and premium logistics, you can trust that your order will arrive on time and ready to install.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with full traceability documentation and can be verified through SKF’s official channels.
Q: How do I confirm if this bearing fits my CNC machine?
A: Provide your machine model or spindle specifications, and our application engineers will cross-verify compatibility with SKF’s technical database.
Q: What is your warranty policy?
A: We offer SKF’s standard manufacturer warranty, covering manufacturing defects for 12 months from delivery. Defective units are replaced at no cost.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, ideal for emergency repairs or small-batch maintenance.
Q: How long does shipping take to Europe?
A: In-stock bearings ship within 3 business days via DHL, with typical delivery to Germany, Switzerland, or Italy in 4-5 days.
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes SKF’s holographic label with a unique verification code. We also provide the original factory certificate of conformity with every order.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
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Submit your inquiry for High Precision Deep Groove Ball Bearing SKF 6306 30x72x19mm 2RS1/C3 for CNC Machinery and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
Authorized European Stock
Genuine FAG & SKF, traceable certificates
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Senior engineers, multi-language support
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ISO 9001, DIN 620, material certs available