Description
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | 21319E |
| Width | 45mm |
| Transport Package | 10*10*10 |
| Specification | 21319E |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Wind Power Generation | Main shaft systems, gearbox components |
| Mining Equipment | Conveyor rollers, crusher bearings |
| Steel Mills | Rolling mill stands, continuous casting machines |
| Construction Machinery | Excavator swing mechanisms, loader axles |
Need a Reliable Spherical Roller Bearing 21319E for Heavy-Duty Industrial Use?
Selecting the right bearing for heavy machinery can be challenging. Many procurement teams face issues with incorrect dimensions causing installation delays, or low-quality bearings failing prematurely under heavy loads. Sourcing from multiple suppliers to compare specifications and lead times only adds to the complexity.
Engineered for Heavy-Duty Performance
The Spherical Roller Bearing 21319E CC/W33 MB addresses these challenges with its robust design and precise 45mm width, ideal for applications requiring high radial load capacity. Our extensive inventory covers over 95% of conventional models, ensuring same-day shipping for spot goods. Whether用于 wind turbine gearboxes or mining conveyor systems, this bearing delivers consistent performance in demanding industrial environments.
Optimal Performance in Severe Operating Conditions
This industrial spherical bearing excels in applications with heavy radial loads, moderate axial loads, and potential misalignment. Its design accommodates shaft deflections and housing inaccuracies, making it suitable for equipment operating in dusty, vibrating, or high-temperature environments common in steel mills and construction sites. The 21319E bearing’s ability to handle dynamic stresses ensures reliable operation in critical machinery.
Key Engineering Features for Reliability
The 21319E CC/W33 MB bearing incorporates several design elements that enhance its performance. The “CC” designation indicates a carburized steel cage with optimized roller guidance, reducing friction and improving load distribution. The “W33” suffix denotes a lubrication groove and three holes in the outer ring, facilitating relubrication and extending service intervals. With a 45mm width, this bearing provides increased contact area, enabling it to support higher load capacities compared to narrower alternatives in the same series.
Total Cost of Ownership Matters More Than Initial Price
Choosing the right spherical roller bearing directly impacts your equipment’s total operating cost. A precision-engineered 21319E bearing minimizes downtime by reducing the risk of premature failures, which can cause expensive production halts and secondary equipment damage. While cheaper alternatives may save on initial purchase, their higher failure rate often leads to increased maintenance costs and lost productivity. Our bearings follow international dimensional standards, ensuring interchangeability and reducing inventory complexity.
Quality Assurance You Can Trust
We implement strict quality management procedures, including comprehensive incoming inspections and dimensional verification. All bearings undergo hardness testing and surface finish checks to meet industrial standards. We provide warranty coverage for manufacturing defects, with clear documentation for traceability. Our global supply chain ensures consistent availability, while our technical team offers professional guidance to ensure proper selection and application of the 21319E bearing.
Packaging & Shipping
- Standard packaging dimensions: 10*10*10 (units not specified)
- Same-day shipping for in-stock items
- Flexible delivery options including express courier, air freight, and sea transport
- Low minimum order quantity supported, suitable for both small maintenance orders and large production requirements
Get a Quote for Your 21319E Bearing Requirement
Whether you need a single Spherical Roller Bearing 21319E or a bulk order, 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 tailored quote. We also handle inquiries for other bearing models and brands to meet all your industrial procurement needs.
Frequently Asked Questions
Q: Do you supply bearings from other international brands besides the ones mentioned?
A: Yes, we support procurement of bearings from all major international brands and domestic quality brands, according to customer specifications.
Q: How can I confirm if the 21319E bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the 21319E specification.
Q: What is your warranty policy for this bearing?
A: We provide a warranty against manufacturing defects. The specific warranty period and terms will be detailed in your purchase contract.
Q: What is the minimum order quantity for the 21319E bearing?
A: We accept low minimum order quantities, including single-unit purchases, to support both maintenance and production needs.
Q: How quickly can you ship the 21319E bearing if it’s in stock?
A: In-stock bearings are shipped the same day for orders placed before our daily cutoff time. Transit time depends on the selected shipping method.
Q: Do you offer customized bearing solutions?
A: Yes, we support OEM/ODM customization according to customer-provided drawings, specifications, or sample 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.







