Consultation
Technical needs assessment
Ensure your CNC machine tools maintain peak precision with the High Precision SKF 6308-2RS Deep Groove Ball Bearing, engineered to deliver consistent performance in high-precision industrial applications. This 40x90x23mm bearing features a P4/P2 precision rating (available in stock for rapid delivery) and 2RS sealing to protect against contaminants, reducing unplanned downtime and ensuring long-term operational stability.
| Parameter | Details |
|---|---|
| Model NO. | 6308-2rs, 6308-2z, 6308-2z/C3, 6308-2RS1 |
| 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 | 0.7 kg |
| Specification | 40*90*23 mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482102000 |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Spindles, Gearboxes |
| Industrial Automation | Conveyor Systems, Robotic Arms |
| Medical Equipment | Precision Rotating Machinery |
| Semiconductor Manufacturing | Wafer Processing Equipment |
| Wind Power Generation | Generator Systems, Gearbox Components |
CNC machine operators know the cost of unexpected spindle failure—hours of production lost, missed deadlines, and expensive repairs. Using counterfeit bearings often leads to premature wear, with failure rates 3x higher than genuine parts. Sourcing multiple bearing types from different suppliers only adds coordination headaches and delays when you need replacements fast.
Our High Precision SKF 6308-2RS Deep Groove Ball Bearing solves these challenges with 100% authentic SKF components available from our ready stock. As an officially authorized SKF distributor, we maintain P4/P2 precision grade inventory for rapid delivery, ensuring your CNC machine tools minimize downtime. Each bearing undergoes standardized precision testing before shipment, guaranteeing compliance with ISO 9001 and DIN standards.
The SKF 6308-2RS excels in CNC machine tool spindles and feed drives, where radial load capacity and rotational accuracy are critical. With a 40x90x23mm dimension and 0° contact angle, it delivers stable performance under high-speed rotation, supporting the tight tolerances required in aerospace component manufacturing and precision mold making. The 2RS seal design provides effective protection against coolant and metal chips, extending service life in harsh machining environments.
Three key specifications define the performance of this SKF deep groove ball bearing: precision rating, vibration class, and seal type. Available in P2 to P0 grades, the P4 precision option ensures minimal radial runout (≤5μm), critical for maintaining spindle concentricity in high-speed CNC applications. The Z3V3 vibration classification indicates low noise operation (≤28dB at 6000 r/min), reducing machine vibration that can affect workpiece finish. The 2RS nitrile rubber seals balance contamination protection with low friction, maintaining lubricant integrity while avoiding excessive heat buildup during continuous operation.
Choosing genuine SKF 6308-2RS bearings over counterfeit alternatives lowers long-term costs by 40% on average. Counterfeit bearings often fail within 3-6 months, requiring repeated replacements and unplanned maintenance. In contrast, genuine SKF bearings with bearing steel construction typically achieve 20,000+ hours of service life in CNC applications. The ISO-certified manufacturing process ensures consistent quality, eliminating hidden risks like material fatigue or dimensional inaccuracies that cause secondary damage to shafts and housings.
Our 15 years as an authorized SKF distributor gives us the expertise to support your precision bearing needs. We provide full lifecycle technical guidance, from bearing selection to installation verification. With 800+ clients across 45 countries, our engineering team has resolved over 10,000 application challenges, including custom solutions for high-temperature and high-vibration environments. Every order includes complete certification documentation, ensuring compliance with aerospace and medical device industry requirements. Our shockproof logistics packaging preserves bearing accuracy during transit, with real-time tracking available from our centralized warehouse to your facility.
Don’t let bearing issues slow your production. Send us your SKF 6308-2RS quantity, precision grade, and application details—our team will provide a competitive quote within 24 hours. With our ready stock, you can have replacement bearings delivered before your next scheduled maintenance, keeping your CNC machines running at peak efficiency.
Q: Are these genuine SKF bearings?
A: Yes, we are an officially authorized SKF distributor. Every bearing comes with full authorization certificates and traceability documentation to confirm authenticity.
Q: How do I confirm if the 6308-2RS fits my CNC machine?
A: Provide your machine model or spindle specifications, and our senior application engineering team will verify compatibility and recommend the optimal precision grade and clearance.
Q: What is your warranty policy?
A: We offer the standard SKF manufacturer warranty, covering manufacturing defects with unconditional replacement for non-conforming products.
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?
A: In-stock 6308-2RS bearings ship within 24 hours, with 3-7 business day delivery to most global locations via express courier.
Q: How can I verify the bearing's authenticity upon receipt?
A: Each bearing includes SKF's laser-etched part number and packaging with a unique serial number, verifiable through SKF's official product authentication system.
Our 5-step process ensures every order is engineered, validated, and supported for optimal performance.
Technical needs assessment
Custom specifications
Free samples for $50k+
Pre-shipment inspection
On-site & predictive
Our certified engineers respond within 24 hours with detailed technical specifications, pricing, and lead time information.