Spherical Roller Bearing 21319E CC/W33 MB 45mm Width for Heavy-Duty Industrial Use
<p>Ensure uninterrupted heavy-duty industrial operations with the <strong>SKF Spherical Roller Bearing 21319E</strong>—engineered to deliver exceptional load capacity and misalignment compensation for critical machinery. This 45mm width bearing (21319E CC/W33 MB specification) minimizes downtime in high-stress applications like steel mills and mining equipment, thanks to SKF's precision manufacturing and direct supply chain guarantee.</p><ul><li>100% genuine SKF construction with complete batch traceability, eliminating concerns about counterfeit components</li><li>CC/W33 design features a brass cage and lubrication groove with three holes, optimizing maintenance intervals and extending service life</li><li>Supported by SKF-certified technical expertise for selection and installation guidance, ensuring optimal performance from day one</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 | 21319E |
| Width | 45mm |
| Specification | 21319E |
| Transport Package | 10*10*10 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Wind Power Generation | Main shaft systems, gearbox couplings |
| Mining Equipment | Conveyor rollers, crusher shafts |
| Steel Mills | Rolling mill stands, continuous casting machines |
| Construction Machinery | Excavator arm joints, bulldozer undercarriage |
Need a Reliable Spherical Roller Bearing 21319E CC/W33 for Heavy-Duty Use? Here's What Matters
Heavy industrial operations face constant challenges with bearing failures—misalignment issues causing premature wear, substandard materials leading to unexpected downtime, and the frustration of sourcing specific models across multiple suppliers. When critical equipment like mining conveyors or steel mill rollers rely on precise components, choosing the wrong spherical roller bearing can derail production schedules and inflate maintenance costs.
Built for Consistent Performance in Demanding Environments
The Spherical Roller Bearing 21319E CC/W33 MB addresses these challenges with engineered precision. With a 45mm width and robust construction, it handles heavy radial loads while accommodating angular misalignment—essential for equipment operating in harsh conditions. Our ISO 9001-certified supply chain ensures access to this exact specification alongside a comprehensive range of SKF-compatible and other international brand bearings, eliminating the need for multi-supplier sourcing.
Where This Heavy-Duty Bearing Performs Best
Ideal for applications involving high shock loads and variable operating conditions, this spherical roller bearing excels in environments with moderate to high temperatures and contamination risks. Its design allows for up to 2-3 degrees of misalignment, making it suitable for shafts prone to deflection in mining crushers or wind turbine gearboxes. The 21319E CC/W33 MB variant specifically supports heavy-duty industrial use where reliability under fluctuating loads is non-negotiable.
Engineering Details That Impact Longevity
The 21319E CC/W33 MB's performance stems from critical design features: its cylindrical roller complement distributes radial loads evenly across the raceway, reducing stress concentrations. The CC design (carrier-guided brass cage) enhances stability at high speeds, while the W33 lubrication groove and holes simplify maintenance by enabling relubrication without disassembly. The 45mm width provides ample contact area to support axial loads up to 40% of the radial capacity, a key consideration for equipment with combined loading scenarios.
Why Bearing Selection Affects Total Cost of Ownership
Choosing the right spherical roller bearing directly impacts operational efficiency. A precision-engineered 21319E CC/W33 MB minimizes unplanned downtime compared to generic alternatives—each hour of production loss in steel manufacturing can cost thousands. Properly matched bearings also extend equipment life by reducing vibration and wear on adjacent components. While initial costs may be higher than low-quality options, the extended service life and reduced maintenance requirements lower total ownership costs over time.
Quality You Can Verify Through Our Process
Our quality assurance process includes dimensional inspection for critical parameters like bore diameter and width tolerance, ensuring interchangeability with original specifications. All bearings undergo hardness testing to confirm material durability, and surface finish checks to prevent premature lubricant breakdown. We provide a warranty against manufacturing defects and maintain comprehensive documentation, including batch traceability and material certificates, to support your quality control requirements.
Packaging & Shipping
- Standard packaging: 10*10*10 cartons suitable for safe transport
- Stock availability ensures same-day shipping for urgent requirements
- Flexible delivery options: express courier, air freight, or sea shipping to most industrial regions
- Low minimum order quantity supported, accommodating both maintenance replacement and production-scale needs
Request Technical Details or a Quote for Your 21319E Bearing
Whether you need a single replacement Spherical Roller Bearing 21319E CC/W33 MB or bulk quantities for production, provide your requirements including quantity and delivery location. Our technical team can assist with cross-referencing existing part numbers or confirming compatibility with your equipment specifications. Early inquiry allows us to prioritize your order within our shipping schedule.
Frequently Asked Questions
Q: Can you supply other brands or models of spherical roller bearings?
A: Yes, we support procurement of all major international brands and can source specific models according to your specifications, including cross-references to SKF, NSK, NTN, and other leading manufacturers.
Q: How do I confirm if the 21319E CC/W33 MB is compatible with my equipment?
A: Provide your equipment model or existing bearing dimensions (bore x outer diameter x width), and our technical team will verify compatibility with the 21319E specification.
Q: What warranty coverage do you offer on this bearing?
A: We provide a warranty against manufacturing defects. Specific terms are detailed in our sales agreement, typically covering material and workmanship issues for a period of 12 months from delivery.
Q: What is the minimum order quantity for the 21319E CC/W33 MB?
A: We accept small orders for maintenance needs, with no strict minimum quantity. For production-scale requirements, volume pricing is available upon request.
Q: How quickly can you ship this bearing to [my location]?
A: Stock items ship same day. Transit time depends on location—express courier typically delivers within 3-5 days, while air freight takes 7-10 days and sea shipping 3-4 weeks to major ports.
Q: Do you offer custom bearing solutions if the 21319E doesn't meet my needs?
A: Yes, we support OEM/ODM customization for special applications, including modified tolerances, lubrication, and cage materials, based on your engineering drawings or specifications.
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 Bearing 21319E CC/W33 MB 45mm Width for Heavy-Duty Industrial Use
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