Saifan Bearing
SKF Bearings
Double Row Cylindrical Roller Bearing Nu319 Ec M/C4 for Industrial Machinery High Precision
Double Row Cylindrical Roller Bearing Nu319 Ec M/C4 for Industrial Machinery High Precision
Double Row Cylindrical Roller Bearing Nu319 Ec M/C4 for Industrial Machinery High Precision
Double Row Cylindrical Roller Bearing Nu319 Ec M/C4 for Industrial Machinery High Precision
Double Row Cylindrical Roller Bearing Nu319 Ec M/C4 for Industrial Machinery High Precision
Double Row Cylindrical Roller Bearing Nu319 Ec M/C4 for Industrial Machinery High Precision
Double Row Cylindrical Roller Bearing Nu319 Ec M/C4 for Industrial Machinery High Precision
Double Row Cylindrical Roller Bearing Nu319 Ec M/C4 for Industrial Machinery High Precision
Double Row Cylindrical Roller Bearing Nu319 Ec M/C4 for Industrial Machinery High Precision
Double Row Cylindrical Roller Bearing Nu319 Ec M/C4 for Industrial Machinery High Precision
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Double Row Cylindrical Roller Bearing Nu319 Ec M/C4 for Industrial Machinery High Precision

SKU: b95d72d1f7c8

Ensure smooth, high-precision rotation in your industrial machinery with our Double Row Cylindrical Roller Bearing Nu319 Ec M/C4. Engineered to handle heavy radial loads while maintaining P0-P4 precision grade standards, this bearing minimizes vibration (Z2-Z4 noise grade) and extends equipment uptime—so you can focus on production, not maintenance.

  • C4 clearance design accommodates thermal expansion in high-speed applications, preventing premature wear and ensuring consistent performance under varying operating conditions
  • Constructed with high-grade chrome steel (60-64 HRC hardness) and a durable brass/steel cage, delivering reliable service life even in demanding industrial environments
  • Perfect for machinery requiring stable radial load support, from机床 (machine tools) to textile equipment—backed by our 12-month warranty and responsive technical support
Factory Price
¥1.00
MOQ: 1pc · Bulk discount available
ISO 9001
Certified
12-Month
Warranty
3-5 Days
Sample Delivery
Technical Documentation

Product Details

Product Specifications

Parameter Details
Model Designation Double Row Cylindrical Roller Bearing Nu319 Ec M/C4
Outer Dimension Range Medium and Large (120-190mm)
Material Bearing Steel
Alignment Type Non-Aligning Bearings
Load Direction Axial Bearing
Separability Separated
Clearance C0, C2, C3, C4, C5
Cage Material Brass, Steel
Vibration Grade Z1V1, Z2V2, Z3V3
Hardness 60-64 HRC
Transport Package Carton Pallet
HS Code 8482800000

Application Industries

Industry Typical Equipment
Industrial Manufacturing Machine Tools, Gearboxes, Reducers, Electric Motors
Heavy Machinery Conveyors, Crushers, Compressors
Automotive Manufacturing Transmission Systems, Axle Assemblies
Agricultural Machinery Tractors, Harvesters, Heavy-Duty Equipment

Reduce Downtime with High Precision Nu319 Ec M/C4 Double Row Cylindrical Roller Bearing

Equipment failures caused by substandard bearings cost manufacturers thousands in lost production each year. When bearings lack proper precision or fail to withstand industrial loads, production lines halt, maintenance costs spike, and delivery deadlines are missed. Sourcing reliable bearings with the right clearance and load capacity often means navigating minimum order quantities that delay critical repairs.

Engineered for Industrial Machinery Reliability

The Nu319 Ec M/C4 Double Row Cylindrical Roller Bearing addresses these challenges with high-precision manufacturing and flexible supply options. As a professional bearing manufacturer with decades of experience, we produce this bearing to P0-P4 precision grades and Z2-Z4 noise standards, ensuring it meets the demands of industrial machinery. With 1 piece MOQ for standard bearings and sample orders available without MOQ, we support both emergency repairs and bulk production needs.

Optimal Performance in Heavy-Duty Conditions

Designed for industrial machinery operating under heavy radial loads and moderate axial loads, this bearing excels in applications requiring high rigidity and precision. Its separated inner and outer rings allow for easy installation and maintenance, while the C4 clearance grade provides extra radial play to accommodate thermal expansion in high-temperature environments. Whether used in gearboxes, machine tool spindles, or conveyor systems, it delivers stable performance under continuous operation.

Key Technical Features That Matter

The Nu319 Ec M/C4's performance is defined by critical technical attributes. Its bearing steel construction ensures hardness of 60-64 HRC, providing excellent wear resistance and durability under heavy loads. The brass or steel cage options offer stability at different speeds, with brass cages ideal for higher rotational velocities. The Z2V2-Z3V3 vibration grades minimize noise and vibration, protecting sensitive machinery components. These features combine to extend bearing service life and reduce equipment maintenance intervals.

Why Genuine Bearings Lower Total Cost of Ownership

Choosing genuine high-precision bearings over counterfeit alternatives reduces long-term costs significantly. Counterfeit bearings often fail prematurely, leading to unplanned downtime, replacement parts expenses, and potential damage to connected equipment. Our bearings meet ISO, ABMA, and DIN international standards, backed by strict quality control processes from raw material inspection to final product testing. With a 12-month warranty and free replacement for qualified defective products, we ensure your investment is protected.

Our Commitment to Your Production Continuity

With over 18 years of bearing manufacturing and export experience, we serve customers in Europe, North America, Southeast Asia, and the Middle East. Our factory houses advanced precision processing equipment and automated production lines, supported by a professional R&D team and experienced QC staff. We offer one-stop service from independent R&D to global sales, with OEM/ODM customization available to meet specific drawing requirements. All products are certified under ISO 9001:2015 Quality Management System and ISO 14001 Environmental Management System, ensuring consistent quality and environmental responsibility.

Packaging & Shipping

  • Secure carton pallet packaging to prevent damage during transit
  • 3-5 working days delivery for sample orders
  • 5-15 working days for bulk orders
  • Multiple logistics options including express, air, and sea freight
  • 1 piece MOQ for standard bearings, sample orders without MOQ

Get Your Nu319 Ec M/C4 Bearing Today

Don’t let bearing issues disrupt your production schedule. Whether you need a single replacement bearing or a bulk order for manufacturing, we ensure prompt delivery and reliable performance. Contact us with your requirements, and our technical team can assist with选型 and application guidance to ensure optimal bearing performance.

Frequently Asked Questions

Q: Is this bearing a genuine original product?

A: Yes, we are a professional bearing manufacturer with strict quality control processes. All products meet international standards and are traceable through our production system.

Q: How can I confirm if this bearing fits my equipment?

A: Provide your equipment model, application details, or required specifications, and our technical team will verify compatibility and offer free selection guidance.

Q: What is your warranty policy for this bearing?

A: We offer an official 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund for qualified issues.

Q: What is the minimum order quantity for this bearing?

A: Standard bearings have a 1 piece MOQ, and sample orders are available without MOQ. Customized order quantities are negotiable based on requirements.

Q: How long does shipping take for this bearing?

A: Sample orders ship within 3-5 working days, while bulk orders typically deliver within 5-15 working days. Logistics options include express, air, and sea freight.

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

Quality Assurance
100% Inspection

High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.

Delivery
3-15 Days

Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).

Customization
Full OEM/ODM

P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.

After-Sales
12-Month Warranty

Professional technical guidance and failure solutions from our R&D team.

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Our R&D team supports full OEM/ODM customization with technical drawings. Contact us for stable factory pricing and reliable supply.

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