Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 21306 |
| Bearing Type | Spherical Roller Bearing |
| Dimensions (d x D x B) | 30mm x 72mm x 19mm |
| Features | Long Life, High Speed, Low Noise |
| Origin | Sweden |
| HS Code | 8482300000 |
| Customization | Customizable |
| Sample Availability | Available |
| Transport Package | Carton Pallet |
| Package Size | 5.00cm * 10.00cm * 4.00cm |
| Package Gross Weight | 0.200kg |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Industrial Machinery | Gearboxes |
| Automotive | Car components |
| HVAC | Fan systems |
SKF 21306 Spherical Roller Bearing: Solving Gearbox Reliability Challenges
When gearbox bearings fail prematurely, the cost goes beyond replacement parts—unplanned downtime, production losses, and maintenance labor add up quickly. Many采购商 struggle with finding bearings that balance high-speed performance with long service life, especially in critical applications like industrial gearboxes. Sourcing authentic, properly specified bearings can be a hassle, with issues ranging from incorrect dimensions to unreliable delivery times.
Built for Demanding Gearbox Environments
The SKF 21306 spherical roller bearing addresses these challenges with its robust design optimized for gearbox applications. With dimensions of 30x72x19mm, this bearing combines high-speed capability with low noise operation, making it suitable for both industrial and automotive gear systems. As a professional bearing supplier with extensive experience, we ensure access to a wide range of international brands, including SKF, and maintain sufficient inventory to meet urgent delivery needs.
Optimal Performance in Key Applications
This spherical roller bearing excels in environments where misalignment, heavy radial loads, and high rotational speeds are present—common conditions in gearboxes, fans, and automotive transmissions. Its ability to accommodate shaft misalignment while maintaining load-carrying capacity helps prevent premature wear and extends equipment life. The 21306 model is particularly well-suited for applications requiring reliable performance under continuous operation.
Engineering Details That Ensure Reliability
The 21306 bearing’s performance stems from critical design features: its spherical roller geometry allows for angular misalignment compensation, reducing stress on adjacent components. The high-speed capability is achieved through precision manufacturing tolerances and optimized internal clearance, ensuring smooth operation even at elevated rotational speeds. The long-life design incorporates high-quality materials and heat treatment processes, which enhance fatigue resistance and durability. Additionally, the low-noise特性 is critical for applications where operational sound levels must be minimized, such as in automotive and HVAC systems.
Total Cost of Ownership: Why Quality Matters
Choosing the right bearing directly impacts total operational costs. A劣质 bearing may have a lower upfront price but can lead to frequent replacements, unplanned downtime, and potential damage to expensive gearbox components. The SKF 21306, with its long service life and reliable performance, reduces maintenance frequency and associated costs. By following industry standards for bearing life calculation, this bearing provides predictable performance, allowing for better maintenance planning and reduced overall expenses compared to cheaper alternatives.
Trusted Quality and Supply Chain
Our commitment to quality ensures that every bearing meets strict standards. We follow ISO 9001 certified inspection processes, including dimensional verification and performance testing, before delivery. All products come with batch traceability, and we provide a warranty against manufacturing defects. With a comprehensive global supply chain, we can source not only SKF bearings but also other major brands, offering a one-stop solution for all your bearing needs. Our inventory management system ensures that even hard-to-find models are available for prompt delivery.
Packaging & Shipping
- Packaged in carton pallets to ensure protection during transit
- Fast delivery available for urgent orders, with standard lead times depending on stock availability
- Flexible shipping options including express courier, air freight, and sea freight
- Low minimum order quantities supported, from small samples to bulk purchases
Get Your SKF 21306 Bearing Quote Today
Whether you need a single SKF 21306 bearing for maintenance or bulk quantities for production, we can provide competitive pricing and reliable delivery. Contact us with your specific requirements, including quantity and delivery location, and our team will respond promptly with a detailed quote. We also welcome inquiries for other bearing models and brands—our extensive network ensures we can source the exact components you need.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we offer a full range of international brands including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese brands, in addition to SKF products.
Q: How can I confirm if the SKF 21306 is compatible with my gearbox?
A: Provide your gearbox model or the existing bearing’s dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the 21306 specifications.
Q: What warranty do you offer on SKF bearings?
A: We provide a warranty against manufacturing defects. The specific terms are detailed in our sales contract, typically covering material and workmanship issues for a specified period from delivery.
Q: What is the minimum order quantity for the SKF 21306?
A: We accept small orders, including single units for sample testing, with no strict minimum order quantity. Larger quantity orders may qualify for volume discounts.
Q: How quickly can you ship the SKF 21306 bearing?
A: If the 21306 is in stock, we can ship within 48 hours of order confirmation. For out-of-stock items, lead times depend on factory availability, which we will confirm during the quoting process.
Q: Can you provide customized packaging or labeling for the SKF 21306?
A: Yes, we offer customizable packaging options, including special labeling and branding, to meet specific customer requirements for bulk orders.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
