Product Specifications
| Parameter |
Details |
| Model NO. |
21319E |
| Width |
45mm |
| Specification |
21319E CC/W33 MB |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Gearboxes, Reducers, Conveyors |
| Automotive |
Transmission Systems, Heavy-Duty Vehicle Components |
| Agricultural Machinery |
Tractors, Harvesters, Tillage Equipment |
| Engineering |
Excavators, Construction Machinery, Mining Equipment |
Prevent Costly Downtime with High Precision Spherical Roller Bearing 21319E
Industrial machinery operators know the frustration of unexpected bearing failures—hours of production lost, expensive repairs, and missed deadlines. When low-quality bearings fail prematurely in critical equipment like gearboxes or conveyors, the cost goes far beyond replacement parts. Many suppliers force minimum order quantities that leave small maintenance teams overstocked, while others compromise on precision, leading to increased vibration and energy waste.
Engineered for Reliable Performance in Demanding Conditions
The 21319E CC/W33 MB Spherical Roller Bearing is designed to address these challenges. As a professional bearing manufacturer with decades of experience, we produce this high precision bearing to P0-P4 standards, ensuring it handles radial and axial loads with minimal friction. Whether your application involves heavy machinery in mining operations or high-speed rotation in textile equipment, this bearing delivers consistent performance where generic alternatives fail.
Optimal Performance in Heavy-Load Industrial Environments
Spherical roller bearings excel in applications with misalignment, heavy loads, and shock conditions—common in industrial machinery like crushers, rolling mills, and excavator pivot points. The 21319E model’s self-aligning capability compensates for shaft deflection, while its robust design withstands dynamic forces up to industry-standard load ratings. Choosing the right bearing here isn’t just about durability; it’s about maintaining operational efficiency and reducing unplanned maintenance in your most critical equipment.
Technical Features That Maximize Machine Uptime
This bearing’s design incorporates key features that directly impact performance. The CC/W33 designation indicates a brass cage and lubrication groove with three oil holes, ensuring efficient grease distribution even at high speeds. With a width of 45mm, it provides stable load distribution across the raceway, reducing stress concentrations. The MB suffix signifies a machined brass cage, which offers superior strength and heat resistance compared to pressed steel alternatives—critical for continuous operation in high-temperature industrial settings. Our precision manufacturing process controls dimensional accuracy to minimize vibration, extending both bearing life and the lifespan of connected components.
Why Genuine Bearings Lower Total Cost of Ownership
Counterfeit spherical roller bearings may offer lower upfront prices, but they often lack proper material heat treatment and dimensional control. This leads to premature wear, increased noise, and potential equipment damage. In contrast, our 21319E Bearing meets ISO, ABMA, and DIN standards, backed by strict incoming material inspections and full-process production supervision. Each unit undergoes dimensional detection and performance testing in our in-house laboratory, ensuring it meets the same standards as bearings supplied to global industrial manufacturers. The true cost of a bearing isn’t just the purchase price—it’s the avoided downtime, reduced energy consumption, and longer service life that genuine components provide.
Our Commitment to Your Production Continuity
With over 18 years in the industry, we serve customers across Europe, North America, Southeast Asia, and the Middle East, offering one-stop service from R&D to global sales. Our ISO 9001:2015 certified quality management system ensures consistent production, while our flexible order policy allows for 1 piece MOQ on standard bearings—ideal for emergency repairs. We provide free samples for distributors and wholesalers, with sample orders shipped in 3-5 working days and bulk orders in 5-15 days. Our technical team offers free guidance on bearing selection, installation, and maintenance, helping you avoid costly选型 mistakes. All products come with a 12-month warranty, with free replacements or refunds available for qualified defective products.
Packaging & Shipping
- Protective industrial packaging with clear labeling for easy identification
- Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
- Multiple logistics options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking provided for all shipments
- Flexible MOQ: 1 piece for standard bearings, perfect for emergency maintenance
Get the Right Bearing for Your Equipment Today
Every hour of downtime costs your business money—don’t wait for a bearing failure to disrupt production. Whether you need a single replacement for a critical machine or are stocking up for planned maintenance, we can deliver the 21319E High Precision Spherical Roller Bearing quickly and reliably. Send us your requirements, and our team will ensure you get the right bearing for your specific application.
Frequently Asked Questions
Q: Is this a genuine, original bearing?
A: Yes, we produce our own bearings to strict quality standards and supply genuine brand bearings. Each product is traceable through our manufacturing and quality control processes, with compliance to ISO international standards.
Q: How do I confirm if the 21319E bearing fits my equipment?
A: Provide your equipment model, operating conditions (load, speed, temperature), or existing bearing specifications. Our technical team will verify compatibility and offer free selection guidance to ensure optimal performance.
Q: What warranty coverage do you offer?
A: We provide a 12-month warranty from the date of delivery. Defective products due to manufacturing issues are eligible for free replacement with your next order or direct refund.
Q: What is the minimum order quantity for this bearing?
A: We accept orders for 1 piece of standard bearings, making it easy to source emergency replacements without overstocking.
Q: How long does shipping take?
A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days. We offer multiple shipping options to meet your timeline requirements.
Q: How can I verify the bearing's authenticity?
A: Our bearings include clear marking and packaging. For additional verification, we can provide manufacturing batch records and quality inspection reports upon request, ensuring full traceability.
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