Double Row Cylindrical Roller Bearing Nu320 EC J/C3 for High-Precision Machine Tool Spindles with Brass Cage

Class

P4 / P2

Origin

DE / SE

Standard

DIN 620

Lead

3-7 Days

Double Row Cylindrical Roller Bearing Nu320 EC J/C3 for High-Precision Machine Tool Spindles with Brass Cage

ISO 9001 · DIN Certified

<p>Ensure your high-precision machine tool spindle operates with uncompromising stability and extended service life using our <strong>Double Row Cylindrical Roller Bearing Nu320 EC J/C3</strong>. Engineered for high-speed rotation and heavy radial loads, this bearing features a brass cage that minimizes friction and heat buildup during continuous operation, while the C3 clearance provides optimal thermal expansion room—critical for maintaining precision in temperature-varying machining environments. <br><br>Backed by our ISO 9001 & DIN compliant inspection system, every unit delivers consistent performance to reduce unexpected downtime. With separated inner and outer rings, installation and maintenance become streamlined, letting your team focus on production rather than complex component handling.</p>

Technical Specifications

Type
Cylindrical Roller Bearing
Precision Class
P4 / P2
Certification
ISO 9001
Radial Runout
≤ 1.5 μm
Delivery
3-7 Business Days
Reply within 12 hours NDA available Full certification docs Precision packaging
Product Description

Technical Details & Application

Product Specifications

Parameter Details
Model NO. Double Row Cylindrical Roller Bearing
Outer Dimension Medium and Large(120-190mm)
Material Bearing Steel
Spherical Non-Aligning Bearings
Load Direction Axial Bearing
Separated Separated
Clearance C0 C2 C3 C4 C5
Cage Brass, Steel
Vibration Z1V1 Z2V2 Z3V3
Hardness 60-64 HRC
Transport Package Carton Pallet
HS Code 8482800000

Application Industries

Industry Typical Equipment
Machine Tools High-Precision CNC Machine Tool Spindles
Automation Precision Machining Centers, Robotic Arms
Aerospace Aircraft Engine Components, Precision Instrumentation
Medical Equipment High-Speed Medical Imaging Devices, Surgical Equipment

Prevent Spindle Failures with Nu320 EC J/C3 High-Precision Cylindrical Roller Bearings

Machine tool operators know the frustration of unexpected spindle downtime—when a bearing fails prematurely, production stops, deadlines are missed, and repair costs escalate. Many face the challenge of sourcing reliable high-precision bearings that meet strict tolerance requirements, especially when dealing with multiple suppliers for different components.

Genuine Double Row Cylindrical Roller Bearings with Immediate Availability

Our Nu320 EC J/C3 Double Row Cylindrical Roller Bearing addresses these pain points directly. As an official authorized distributor, we ensure every bearing meets the highest standards, with a precision-oriented inspection system compliant with ISO 9001 and DIN standards. With sufficient stock of P4/P2 grade bearings, we can fulfill orders quickly, supporting your urgent maintenance and production needs without delay.

Optimized Performance for High-Precision Machine Tool Spindles

This bearing is engineered for the demanding conditions of high-precision machine tool spindles, where rotational accuracy and stability are critical. It operates effectively under radial loads, making it ideal for applications requiring consistent performance at high speeds. The brass cage enhances durability and heat dissipation, ensuring reliable operation even during extended machining cycles.

Key Technical Features That Ensure Reliability

The Nu320 EC J/C3 Bearing incorporates several technical attributes that contribute to its superior performance. The C3 clearance allows for thermal expansion during high-speed operation, reducing internal stress and extending bearing life. With a hardness of 60-64 HRC, the bearing steel material provides excellent wear resistance, maintaining precision even under heavy loads. The separated design facilitates easy installation and maintenance, minimizing downtime during spindle overhaul.

Why Authentic Bearings Matter for Your Bottom Line

Choosing genuine high-precision bearings like the Nu320 EC J/C3 avoids the hidden costs of counterfeit products. Fake bearings often fail early, leading to unplanned downtime, increased repair expenses, and potential damage to expensive spindle components. Our bearings come with full certification documents, ensuring compliance with industry standards and providing traceability from production to delivery—critical for large-scale engineering projects and quality control.

Our Commitment to Reliable Bearing Solutions

With dual European brand official authorization, we stand behind the authenticity of every product. Our senior application engineers provide expert support, helping you select the right bearing for your specific application. We serve over 800 clients across 45+ countries, maintaining a reputation for professional scheme design and reliable high-end quality. Our premium shockproof logistics ensure your bearings arrive in perfect condition, ready for immediate installation.

Packaging & Shipping

  • Secure carton pallet packaging to protect against damage during transit
  • Stock availability ensures delivery within 3-7 working days for urgent requirements
  • Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
  • Real-time logistics tracking provided for full visibility of your order
  • Minimum order quantity of 1 piece, supporting both emergency repairs and small-batch procurement

Get the Right Bearing for Your Machine Tool Spindle Today

Don’t let bearing issues disrupt your production schedule. Send us your bearing requirements, including the Nu320 EC J/C3 model, application details, and quantity, and our team will provide a unified quotation within one working day. With our stock on hand, you can get your machine tools back to optimal performance quickly.

Frequently Asked Questions

Q: Are these bearings genuine and authentic?

A: Yes, we are an official authorized distributor, and every bearing can be追溯至 the正品 supply chain. We provide complete authorization and quality inspection documents upon request.

Q: How can I confirm if the Nu320 EC J/C3 is suitable for my machine tool spindle?

A: Provide your machine tool model or spindle specifications, and our senior application engineers will verify compatibility and offer free选型 support.

Q: What is the warranty policy for this bearing?

A: We adhere to the original manufacturer’s warranty standards, offering unconditional replacement for any manufacturing defects.

Q: What is the minimum order quantity?

A: We accept orders starting from 1 piece, supporting emergency maintenance needs and small-scale procurement.

Q: How long does shipping take, and what logistics options are available?

A: In-stock items are shipped within 3-7 working days. We offer DHL, FedEx, UPS, air freight, and sea freight to meet your delivery requirements.

Q: How can I verify the authenticity of the bearing upon receipt?

A: Check the packaging for security labels, laser markings, and verification codes. We provide full traceability documents to confirm authenticity.

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

Inquiry

Get Pricing &
Technical Support

Submit your inquiry for Double Row Cylindrical Roller Bearing Nu320 EC J/C3 for High-Precision Machine Tool Spindles with Brass Cage and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.

Authorized European Stock

Genuine FAG & SKF, traceable certificates

Reply Within 12 Hours

Senior engineers, multi-language support

Full Certification Docs

ISO 9001, DIN 620, material certs available

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