Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 21320E |
| Width | 47mm |
| Transport Package | 10*10*10 |
| Specification | 21320E |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Wind Power Generation | Pitch control mechanisms, yaw drives |
| Mining Equipment | Conveyor systems, crusher components |
| Steel Mills | Rolling mill stands, continuous casting machines |
| Construction Machinery | Excavator swing bearings, loader axles |
Need a Reliable Spherical Roller Bearing 21320E for Heavy-Duty Machinery Maintenance?
Industrial maintenance teams often face challenges with bearing replacements—either the dimensions don’t match, leading to installation delays, or substandard components fail prematurely under heavy loads. When your machinery is down, every hour counts, and sourcing the right 21320E bearing quickly becomes critical to minimizing downtime.
Engineered for Heavy-Duty Performance and Versatility
The Spherical Roller Bearing 21320E with 47mm width is designed to address these challenges, offering reliable performance in demanding industrial environments. Our supply chain covers a comprehensive range of industrial bearings, including this specific model, with established quality control processes that ensure each unit meets industry standards. Whether you’re maintaining mining equipment, steel mill machinery, or construction vehicles, this bearing provides the load capacity and durability needed for continuous operation.
Optimal Performance in High-Load, Misalignment-Prone Applications
This spherical roller bearing excels in applications where heavy radial loads are combined with moderate axial loads and potential shaft misalignment. Its design accommodates angular misalignment, making it suitable for machinery with imperfect shaft-to-housing alignment—common in mining conveyors and construction equipment. The 47mm width contributes to its load-bearing capacity, ensuring stable operation even under fluctuating heavy-duty conditions.
Key Engineering Features for Maintenance Reliability
The 21320E bearing’s specifications directly impact its performance in industrial settings. The 47mm width provides a larger contact area, distributing loads evenly across the raceways to reduce stress concentrations. As a spherical roller design, it incorporates barrel-shaped rollers that allow for self-alignment, compensating for up to 2-3 degrees of misalignment depending on operating conditions. This self-aligning capability minimizes installation time and reduces the risk of premature failure due to misalignment-related stress. The model designation 21320E follows international dimensional standards, ensuring interchangeability with components from major manufacturers.
Why Choosing the Right Bearing Lowers Total Maintenance Costs
Selecting the correct spherical roller bearing directly affects your equipment’s total cost of ownership. A properly sized and rated bearing like the 21320E reduces the frequency of replacements, minimizing downtime and labor costs associated with maintenance. In contrast, using an undersized or low-quality bearing can lead to early failure, causing secondary damage to shafts, housings, or other components—resulting in significantly higher repair expenses. By choosing a bearing that matches your machinery’s load requirements and operating conditions, you ensure longer service intervals and more predictable maintenance scheduling.
Quality Assurance You Can Trust
Our bearings undergo rigorous quality control processes, including dimensional accuracy checks and material verification, to ensure consistency and reliability. We maintain a comprehensive inventory of industrial bearings, covering over 95% of conventional models, which allows for same-day shipping on in-stock items. All products come with complete traceability documentation, and we stand behind the quality of our bearings with a manufacturer-backed warranty against defects. Our global delivery network ensures stable door-to-door arrival within 7-15 days to most countries, providing you with the parts you need when you need them.
Packaging & Shipping
- Standard packaging dimensions: 10*10*10 (units not specified)
- Same-day shipping available for in-stock items
- Flexible delivery options including快递, air freight, and sea freight
- Low minimum order quantity supported for both small and large volume purchases
Get a Quote for Your Spherical Roller Bearing 21320E Requirement
Whether you need a single replacement bearing or bulk quantities for scheduled maintenance, we can provide competitive pricing and reliable delivery. To ensure you get the exact bearing for your application, please share the model number, required quantity, and shipping destination. Our team will promptly confirm availability and provide a detailed quote, helping you keep your maintenance projects on track.
Frequently Asked Questions
Q: Do you supply bearings from other brands or models besides the 21320E?
A: Yes, we offer a complete range of industrial bearings across multiple brands and models. We can source bearings according to your specific brand or model requirements.
Q: How can I confirm if the 21320E bearing will fit my machinery?
A: Provide your equipment’s make, model, and existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility with the 21320E specification.
Q: What is the warranty policy for this bearing?
A: We provide a warranty against manufacturing defects. The specific warranty period and terms will be detailed in your order confirmation and product documentation.
Q: What is the minimum order quantity for the 21320E bearing?
A: We support low minimum order quantities, including single-unit purchases, to accommodate both emergency repairs and bulk maintenance needs.
Q: How long does shipping take to [my location]?
A: For in-stock items, we offer same-day shipping. Delivery times typically range from 7-15 days to most countries and regions via our global delivery network.
Q: Can you provide OEM or custom packaging for the 21320E bearing?
A: Yes, we offer customized packaging and labeling services according to customer requirements. Contact our team with your specific packaging needs for a tailored solution.
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.







