Spherical Roller Bearings 21307 35x80x21mm for Heavy Duty Gearbox High Speed
<p>Ensure smooth, high-speed operation for your heavy duty gearbox with SKF 21307 spherical roller bearings—engineered to deliver long life and low noise even under demanding industrial conditions. These 35x80x21mm precision bearings from Sweden handle radial and axial loads effortlessly, making them ideal for critical applications in steel mills, mining equipment, and construction machinery.</p><ul><li><strong>100% authentic SKF quality</strong> with full traceability and factory warranty</li><li>Optimized design reduces vibration, extending gearbox service intervals</li><li>Available for same-day shipping from our extensive inventory of conventional SKF models</li></ul>
- 100% genuine -- COC & factory certificates available
- In-stock · bulk & small-batch orders accepted
- ISO · DIN · ABMA · JIS compliant
- Full customs clearance documentation provided
Product Details
Full Specifications & Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 21307 |
| Bearing Type | Spherical Roller Bearings |
| Bore Diameter (d) | 35mm |
| Outside Diameter (D) | 80mm |
| Width (B) | 21mm |
| Feature | Long Life, High Speed, Low Noise |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482300000 |
| Package Size | 6.00cm * 10.00cm * 5.00cm |
| Package Gross Weight | 0.240kg |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Automotive | Transmission systems |
| Industrial Machinery | Heavy Duty Gearbox |
| General Engineering | Fan assemblies, industrial gear units |
Need a Reliable SKF 21307 Spherical Roller Bearing for Your Gearbox?
Many maintenance teams face unexpected downtime when gearbox bearings fail prematurely. The wrong bearing choice—whether due to incorrect dimensions, poor material quality, or mismatched speed ratings—can lead to costly repairs and production delays. Sourcing genuine, high-performance bearings that meet your exact specifications shouldn’t be a challenge.
Engineered for High-Speed, Heavy-Duty Performance
The SKF 21307 spherical roller bearing is designed to address these challenges with its 35x80x21mm dimensions, long service life, and high-speed capabilities. As a specialized supplier with direct access to global distribution centers, we ensure you receive 100% original SKF products that meet strict quality standards. This bearing is particularly suited for heavy-duty gearboxes where reliable operation under varying loads is critical.
Optimal Performance in Demanding Conditions
This spherical roller bearing excels in applications requiring high rotational speeds and resistance to misalignment. Its robust design makes it ideal for gearboxes in industrial machinery, where it must withstand continuous operation and moderate to heavy loads. The low noise feature further enhances its suitability for environments where operational sound levels are a concern.
Key Engineering Details for Reliable Operation
The 35mm bore diameter and 80mm outer diameter ensure precise fit in standard gearbox assemblies, while the 21mm width provides stability under radial and axial loads. SKF’s manufacturing expertise results in bearings with consistent quality, ensuring low vibration and extended service life. The bearing’s ability to handle misalignment reduces installation stress and extends equipment life, making it a practical choice for real-world operating conditions.
Why Choosing the Right Bearing Lowers Total Costs
Investing in a genuine SKF 21307 bearing helps avoid the hidden costs of premature failure. Inferior bearings often lack the material strength and precision needed for heavy-duty gearboxes, leading to frequent replacements, unplanned downtime, and potential damage to adjacent components. By selecting a bearing engineered for high speed and long life, you reduce maintenance frequency and improve overall equipment reliability, lowering total operational costs over time.
Quality Assurance You Can Trust
Our commitment to quality ensures every SKF 21307 bearing meets original factory standards. We source directly from SKF official channels, providing complete traceability with original factory certificates and batch inspection reports. All products undergo strict quality checks, from material verification to dimensional accuracy, ensuring they perform as expected. We stand behind our products with a manufacturer’s warranty, giving you confidence in your purchase.
Packaging & Shipping
- Packaged in carton pallets to ensure protection during transit
- Available from large-scale dedicated inventory for same-day shipping on spot goods
- Global delivery network supporting door-to-door arrival within 7-15 days to most countries
- Flexible order quantities to accommodate both small and large-scale requirements
Get Your SKF 21307 Bearing Quote Today
Whether you need a single unit for maintenance or bulk quantities for production, we can fulfill your requirements. Provide us with your specific needs, including quantity and delivery location, and our team will promptly provide pricing and availability. With our extensive inventory and fast shipping, you can keep your operations running smoothly.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we offer a complete range of bearings from major international brands, including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and国产优质品牌, in addition to SKF.
Q: How can I confirm if the SKF 21307 is compatible with my equipment?
A: Provide your equipment model or existing bearing dimensions (d x D x B), and our technical team can verify compatibility with SKF specifications.
Q: What is the warranty policy for this bearing?
A: All SKF bearings come with the original factory warranty covering manufacturing defects. Specific terms are provided with each order.
Q: What is the minimum order quantity for the SKF 21307?
A: We support low minimum order quantities, including single-unit purchases, to meet both maintenance and production needs.
Q: How long does shipping take to my location?
A: Spot goods are shipped the same day, with global delivery typically taking 7-15 days door-to-door depending on the destination.
Q: Can you provide customized packaging or labeling?
A: Yes, we offer customized packaging, label printing, and technical documentation services according to customer requirements.
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.
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Spherical Roller Bearings 21307 35x80x21mm for Heavy Duty Gearbox High Speed
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