Famous Brand Bearing

Spherical Roller Bearings 21319EK High Precision for Industrial Machinery 45mm Width

SKU: 70042e3951d8 In Stock

Ensure smooth, high-precision rotation for your industrial machinery with Spherical Roller Bearings 21319EK, engineered to minimize downtime and enhance operational stability. This 45mm width bearing delivers reliable performance under heavy loads, addressing the critical need for consistent motion in demanding industrial environments.

  • Precision-grade construction ensures optimal alignment and reduced vibration, extending machinery service life
  • 45mm width design provides enhanced load-bearing capacity for industrial applications like machine tools and reducers
  • Backed by Saifan's ISO 9001:2015 quality certification and 12-month warranty for long-term peace of mind
Wholesale Price (FOB)
¥1.00
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Product Specifications

Parameter Details
Model NO. 21319EK
Width 45mm
Specification 21319EK

Application Industries

Industry Typical Equipment
Industrial Machinery Machine Tools, Gearboxes, Conveyors, Crushers
Automotive Transmission Systems, Wheel Hubs
Agricultural Machinery Tractors, Harvesters
Engineering Excavators, Heavy-Duty Equipment

Minimize Downtime with High Precision Spherical Roller Bearings 21319EK

Industrial machinery operators know the frustration of unexpected shutdowns caused by bearing failures. When a critical component like a spherical roller bearing fails prematurely, it disrupts production schedules, increases maintenance costs, and impacts overall productivity. Sourcing reliable bearings with consistent quality and appropriate precision levels remains a common challenge for buyers across manufacturing sectors.

21319EK Spherical Roller Bearings Engineered for Reliable Performance

Our Spherical Roller Bearings 21319EK with 45mm width address these challenges by combining decades of manufacturing expertise with strict quality control. As a professional integrated bearing manufacturer since 2005, we produce each 21319EK bearing to meet P0-P4 precision grades and Z2-Z4 noise standards, ensuring compatibility with industrial machinery operating under varying loads and speeds. The 21319EK model is particularly suited for applications requiring high radial load capacity and moderate axial load handling, such as conveyor systems and gearbox assemblies.

Optimal Performance in Demanding Industrial Environments

Spherical Roller Bearings 21319EK excel in industrial machinery applications where misalignment, heavy loads, and shock absorption are critical factors. The 45mm width design provides enhanced stability during operation, making it ideal for use in crushers, presses, and large electric motors. These bearings accommodate angular misalignment up to 2-3 degrees, reducing stress on connected components and extending equipment service life in challenging working conditions.

Key Technical Features of 21319EK Bearings

The 21319EK Spherical Roller Bearings incorporate design elements that directly impact operational performance. The standardized width of 45mm ensures dimensional consistency for easy replacement and interchangeability with existing setups. Our manufacturing process utilizes high-grade chrome steel raw materials, which contribute to improved wear resistance and fatigue strength compared to lower quality alternatives. Each bearing undergoes rigorous dimensional inspection and noise testing before shipment, ensuring compliance with ISO industrial standards and consistent performance across batches.

Total Cost of Ownership: Genuine Bearings vs. Counterfeits

Choosing genuine 21319EK Spherical Roller Bearings reduces long-term costs by minimizing premature failures and unplanned downtime. Counterfeit bearings often lack proper material composition and precision machining, leading to increased vibration, noise, and early wear. In contrast, our bearings are produced under strict quality control measures, including full-process production supervision and in-house laboratory testing for performance validation. The investment in genuine high precision bearings ultimately lowers maintenance expenses and improves overall equipment efficiency.

Why Industrial Buyers Choose Saifan Bearings

With ISO 9001:2015 and ISO 14001 certifications, we maintain consistent quality management systems throughout production. Our professional technical R&D team provides free guidance on bearing selection and installation, helping customers optimize bearing performance for specific applications. We offer flexible order policies, including 1 piece MOQ for standard bearings and sample orders without MOQ, supporting both small-scale maintenance needs and large production runs. With over 15 years of export experience to Europe, North America, Southeast Asia, and the Middle East, we understand global market requirements and can provide tailored solutions for diverse industrial sectors.

Packaging & Shipping

  • Protective industrial packaging to prevent damage during transit
  • Efficient delivery: 3-5 working days for sample orders, 5-15 working days for bulk orders
  • Multiple logistics options including express, air, and sea freight
  • Real-time shipment tracking provided upon dispatch
  • Flexible order quantities with 1 piece MOQ for standard bearings

Secure Your 21319EK Bearings Today

Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement bearing or bulk quantities, our 21319EK Spherical Roller Bearings are ready to ship. Contact us with your specific requirements, and our technical team will ensure you receive the right bearing for your application, backed by our 12-month warranty and comprehensive after-sales support.

Frequently Asked Questions

Q: Are these genuine 21319EK bearings?

A: Yes, we produce our own brand bearings and supply genuine original brand bearings through authorized channels, with complete traceability documentation available upon request.

Q: How do I confirm if the 21319EK is suitable for my equipment?

A: Provide your equipment model, operating speed, load conditions, and installation requirements. Our technical team offers free bearing selection guidance to ensure optimal compatibility.

Q: What is the warranty period for these bearings?

A: We provide an official 12-month warranty from the date customers receive the goods, covering manufacturing defects with free replacement or refund options.

Q: What is the minimum order quantity for 21319EK bearings?

A: Standard bearings have a 1 piece MOQ, supporting both emergency repairs and small-batch purchases.

Q: How long does shipping take for 21319EK bearings?

A: Sample orders ship within 3-5 working days, while bulk orders typically take 5-15 working days depending on quantity and customization requirements.

Q: How can I verify the authenticity of the bearings?

A: Our products include standard packaging with clear marking, and we can provide manufacturing batch records and quality inspection reports to confirm authenticity.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

Engineering Insights

Latest from Our Knowledge Base

ALL ARTICLES