Consultation
Technical needs assessment
Ensure smooth gearbox operation with the SKF spherical roller bearing 21307, designed to minimize downtime and enhance machinery reliability in high-precision industrial settings. This 35x80x21mm bearing delivers long life, high speed, and low noise performance—critical for maintaining consistent productivity in CNC machine tools and automation systems.
| Parameter | Details |
|---|---|
| Model NO. | 21307 |
| Feature | Long Life, High Speed, Low Noise |
| Specification | 35*80*21mm |
| Trademark | SKF |
| Origin | Sweden |
| HS Code | 8482300000 |
| Package Size | 6.00cm * 10.00cm * 5.00cm |
| Package Gross Weight | 0.240kg |
| Industry | Typical Equipment |
|---|---|
| Manufacturing | Gearboxes, Industrial Machinery |
| Automotive | Car Transmissions, Drivetrain Components |
| HVAC | Industrial Fans, Blowers |
Unexpected gearbox failures cost manufacturers thousands in lost production each year. Many operations struggle with counterfeit bearings that fail prematurely, or face long lead times when sourcing critical replacement parts. When your gearbox grinds to a halt, every hour of downtime eats into your bottom line—especially when you’re juggling multiple suppliers just to get the right components.
Our high precision SKF spherical roller bearing 21307 is engineered to deliver reliable performance in gearbox applications, where heavy loads and variable speeds demand exceptional durability. As an officially authorized SKF distributor, we maintain sufficient ready stock of precision grade bearings, ensuring this 35x80x21mm bearing is available for rapid delivery. Whether you’re repairing a production line gearbox or maintaining critical machinery, we eliminate the wait associated with direct manufacturer orders.
The SKF 21307 35x80x21mm spherical roller bearing excels in gearbox environments, designed to accommodate both radial and axial loads while maintaining high speed operation with low noise. Its robust construction makes it ideal for applications where misalignment may occur, providing stable performance even under dynamic conditions. In gearboxes, this translates to smoother operation, reduced vibration, and extended service life—critical factors for maintaining production efficiency.
The 21307 bearing’s specification—35mm bore diameter, 80mm outside diameter, and 21mm width—positions it as a versatile solution for medium-sized gearboxes. Its "Long Life" feature is achieved through SKF’s precision manufacturing processes, ensuring consistent material quality and dimensional accuracy. The "High Speed" capability allows it to operate efficiently in gearboxes with rotating shafts, while "Low Noise" properties contribute to a quieter workplace and reduced machinery stress.
Choosing genuine SKF 21307 bearings over counterfeit alternatives reduces long-term costs significantly. Counterfeit bearings often fail within months, leading to repeated gearbox disassembly, replacement labor, and unplanned downtime. In contrast, genuine SKF bearings are backed by decades of engineering expertise and strict quality control, minimizing the risk of premature failure. While counterfeits may offer lower upfront prices, the hidden costs of production delays and equipment damage make genuine bearings the more economical choice.
With official brand authorization, we guarantee 100% authentic SKF products, each traceable to the original manufacturer. Our precision testing procedures ensure every bearing meets ISO 9001 and DIN standards before shipment, from incoming material verification to finished product delivery. Trusted by over 800 clients across 45 countries, our senior application engineering team provides tailored support—whether you need help with bearing selection, working condition matching, or technical guidance. We simplify procurement with centralized delivery and a single point of contact for all your needs.
Don’t let gearbox downtime derail your production schedule. The SKF 21307 spherical roller bearing is in stock and ready to ship, with delivery in as little as 3-7 business days. Send us your order details, including quantity and application requirements, and our team will provide a quote within one working day—complete with full authorization certificates and quality inspection documents.
Q: Are these genuine SKF bearings?
A: Yes, we are an officially authorized SKF distributor, guaranteeing 100% authentic products with full traceability to the manufacturer.
Q: How do I confirm if the 21307 bearing fits my gearbox?
A: Provide your gearbox model or operating parameters (load, speed, temperature), and our engineering team will verify compatibility at no cost.
Q: What is your warranty policy?
A: All bearings come with SKF’s standard manufacturer warranty, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting emergency maintenance and small-batch procurement needs.
Q: How long does shipping take?
A: In-stock bearings ship within 3-7 business days via DHL, FedEx, UPS, or your preferred logistics provider.
Q: How can I verify the bearing’s authenticity?
A: Each bearing includes SKF’s original packaging with防伪标签 and laser marking. We provide full certification documentation for traceability.
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