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 | Gearbox assemblies |
| Industrial Machinery | Heavy duty gearboxes, Fans |
Struggling with Gearbox Bearing Failures? The SKF 21307 Spherical Roller Bearing Delivers Reliability
Finding a bearing that can handle the high speeds and heavy loads of industrial gearboxes often means sifting through countless options, only to face premature wear or misalignment issues. Many purchasers deal with the frustration of incompatible dimensions or questionable authenticity, leading to costly downtime and maintenance delays.
Engineered for Heavy Duty Gearbox Performance
The SKF 21307 spherical roller bearing addresses these challenges with its robust design optimized for high-speed applications. As a specialized supplier with direct access to global distribution centers, we ensure this 35x80x21mm bearing meets SKF’s rigorous quality standards. Its long-life construction and low-noise operation make it ideal for gearboxes in automotive and industrial machinery, where reliability directly impacts productivity.
Optimal Performance in Demanding Conditions
This bearing thrives in environments requiring both radial and axial load capacity, such as heavy duty gearboxes operating at variable speeds. The spherical roller design accommodates minor misalignments, reducing stress on shafts and housings. Whether used in car transmissions or industrial fans, its ability to maintain performance under continuous operation minimizes the risk of unexpected failures.
Key Engineering Features That Matter
The 21307’s 35mm bore diameter, 80mm outer diameter, and 21mm width ensure precise fit in standard gearbox assemblies, eliminating the need for custom modifications. SKF’s manufacturing process delivers consistent dimensional accuracy, critical for interchangeability in maintenance scenarios. The bearing’s high-speed capability is achieved through optimized internal geometry, reducing friction and heat generation during operation—factors that directly extend service life in heavy duty applications.
Why Choosing the Right Bearing Lowers Total Cost
Selecting a substandard bearing for gearbox applications may seem cost-effective initially, but the hidden expenses add up. Early wear leads to increased vibration, damaging adjacent components and requiring frequent replacements. The SKF 21307’s long-life design and noise-reducing features lower maintenance intervals and operational disruptions. By adhering to ISO quality standards, this bearing helps avoid the cumulative costs of premature failures, making it a smarter investment over time.
Quality You Can Rely On
Our procurement process ensures all bearings are sourced from official channels, with complete traceability documentation. Each unit undergoes rigorous inspection to verify dimensions and performance characteristics, providing confidence in every purchase. We stand behind the quality of our products with a manufacturer-backed warranty, covering manufacturing defects for added peace of mind. With extensive inventory, we support same-day shipping for spot orders, ensuring you get the bearings you need when downtime is not an option.
Packaging & Shipping
- Packaged in carton pallets to ensure protection during transit
- Same-day shipping available for in-stock items
- Flexible delivery options including express courier, air, and sea freight
- Low minimum order quantities to support both small maintenance runs and large-scale production
Get Your SKF 21307 Bearing Quote Today
Whether you need a single replacement or bulk quantities, provide us with your required specifications and quantity, and we’ll deliver a competitive quote with prompt lead times. Our team can assist with cross-referencing part numbers to ensure compatibility with your equipment, helping you avoid costly mismatches.
Frequently Asked Questions
Q: Do you supply bearings from other brands besides SKF?
A: Yes, we support procurement of bearings from all major international brands and domestic manufacturers, based on your specific requirements.
Q: How can I confirm if the 21307 bearing fits my gearbox?
A: Provide your equipment model or existing bearing dimensions (d x D x B), and our technical team will verify compatibility with the SKF 21307 specifications.
Q: What warranty coverage is provided?
A: All bearings come with the manufacturer’s original warranty, covering manufacturing defects. Specific terms are detailed in the product documentation.
Q: What is the minimum order quantity for this bearing?
A: We accept low minimum orders, including single-unit purchases, to support maintenance needs and small-scale projects.
Q: How long does shipping take to my location?
A: In-stock items ship the same day. Delivery times vary by destination, with most countries receiving door-to-door service within 7-15 days via our global logistics network.
Q: Can you provide custom packaging or labeling?
A: Yes, we offer customizable packaging and label printing services to meet specific customer requirements for inventory management or branding.
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.
