Consultation
Technical needs assessment
Ensure seamless precision in your CNC machine tools with the SKF 21306 spherical roller bearing, designed to deliver long-term stable performance even under high-speed operations. This 30x72x19mm high-precision bearing minimizes noise and extends equipment lifespan, addressing the critical need for reliable components that keep your production on schedule.
| Parameter | Details |
|---|---|
| Model NO. | 21306 |
| Feature | Long Life, High Speed, Low Noise |
| Specification | 30*72*19mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482300000 |
| Package Size | 5.00cm * 10.00cm * 4.00cm |
| Package Gross Weight | 0.200kg |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | CNC Machine Tools, Gearboxes |
| Automotive | Car Components, Fan Systems |
CNC machine operators know the frustration of unexpected downtime—especially when it stems from bearing failure. Counterfeit bearings often fail prematurely under high-speed rotation, while sourcing authentic replacements from multiple suppliers wastes valuable time coordinating orders and verifying quality. These delays don’t just cost maintenance hours; they disrupt production schedules and impact delivery deadlines.
Our SKF 21306 spherical roller bearing eliminates these headaches. As an officially authorized SKF distributor, we guarantee 100% authentic products with full certification documentation. With P4/P2 precision grade bearings in ready stock, we ensure rapid delivery to keep your CNC machines running. This 30x72x19mm bearing is engineered for high-precision industrial scenarios, delivering reliable performance in critical applications like machine tool spindles and gearboxes.
The SKF 21306 spherical roller bearing thrives in the demanding conditions of CNC machine tools, where high rotational speeds and consistent load distribution are essential. Its design accommodates both radial and axial loads, maintaining stability even during rapid acceleration and deceleration. Whether used in vertical machining centers or horizontal lathes, this bearing minimizes vibration and noise, contributing to smoother operation and improved workpiece accuracy.
The 30mm bore diameter (d), 72mm outside diameter (D), and 19mm width (B) of the SKF 21306 make it a precise fit for standard CNC spindle configurations. Its long-life design reduces the need for frequent replacements, while high-speed capabilities ensure compatibility with modern machine tool requirements. Low noise operation is particularly valuable in precision manufacturing environments, where excessive vibration can compromise part quality. Every unit undergoes standardized precision testing before shipment, ensuring compliance with ISO 9001 and DIN standards.
Choosing genuine SKF bearings over counterfeit alternatives protects your equipment and bottom line. Fake bearings often lack proper material quality and manufacturing tolerances, leading to premature failure, increased energy consumption, and potential damage to expensive CNC components. The hidden costs of unplanned downtime—including lost production, maintenance labor, and emergency shipping—far exceed the savings from cheaper alternatives. Our SKF 21306 spherical roller bearing, backed by SKF’s decades of engineering expertise, delivers consistent performance and reduces total cost of ownership over its lifecycle.
Our reputation is built on reliability and专业 engineering support. As an officially authorized distributor, every SKF 21306 bearing can be traced to its original production batch, with complete certification documentation provided upon request. Our senior application engineering team, with years of on-site project experience, offers free technical consultation to ensure proper bearing selection and application. With service in over 45 countries, we provide centralized procurement solutions that simplify multi-brand ordering, while our shockproof and dustproof logistics ensure bearings arrive in factory-fresh condition. We stand behind every product with a comprehensive quality guarantee, including replacement for manufacturing defects.
Don’t let bearing issues slow down your CNC production. Whether you need a single replacement or a stock of SKF 21306 spherical roller bearings, we’re ready to fulfill your order. Send us your requirements, including quantity and delivery location, and our team will provide a quote within one working day. The sooner you order, the sooner you can get back to uninterrupted manufacturing.
Q: Are these genuine SKF bearings?
A: Yes, we are an officially authorized SKF distributor, guaranteeing 100% authentic products with full traceability and authorization certificates.
Q: How do I confirm if the SKF 21306 is compatible with my CNC machine?
A: Provide your machine model or spindle specifications, and our engineering team will verify compatibility and offer application guidance at no cost.
Q: What is your warranty policy?
A: All bearings come with SKF’s standard manufacturer warranty, covering manufacturing defects with free replacement if issues arise.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting emergency maintenance needs and small-scale purchases.
Q: How quickly can you ship the SKF 21306 bearing?
A: In-stock bearings are dispatched within 3-7 working days, with expedited shipping options available for urgent requirements.
Q: How can I verify the authenticity of the bearing?
A: Each bearing includes SKF’s original packaging with防伪 features, and we provide full certification documentation for traceability. You can also verify via SKF’s official channels using the product batch information.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
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.