High Precision SKF NNU4926BK/SPW33 Double-Row Cylindrical Roller Bearing for CNC Machine Tools

Class

P4 / P2

Origin

DE / SE

Standard

DIN 620

Lead

3-7 Days

High Precision SKF NNU4926BK/SPW33 Double-Row Cylindrical Roller Bearing for CNC Machine Tools

ISO 9001 · DIN Certified

<p>Ensure uncompromising precision for your CNC machine tools with the <strong>SKF NNU4926BK/SPW33</strong> double-row cylindrical roller bearing, designed to deliver stable long-term performance in high-speed machining applications. This high-precision component minimizes vibration and ensures consistent accuracy, reducing costly downtime and enhancing overall production efficiency.</p><ul><li>Double-row cylindrical structure with open design optimizes radial load capacity and heat dissipation—critical for continuous heavy-duty operations</li><li>130mm inner diameter perfectly suits precision spindle assemblies, backed by SKF's renowned quality and our ISO 9001-compliant inspection process</li><li>Single-item packaging with shockproof logistics ensures damage-free delivery, streamlining your maintenance workflow with reliable, ready-to-install components</li></ul>

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. NNU4926BK/SPW33
Type Roller
Number of Row Double Row
Inner Diameter 130 mm
Selling Units Single Item
Structure Cylindrical
Seals Type Open
Gross Weight Per 0.250 Kg
Trademark SKF
Origin China

Application Industries

Industry Typical Equipment
Manufacturing CNC Machine Tools, High-Precision Spindles, Machining Centers
Aerospace Precision Actuators, Test Rig Components
Medical Equipment Imaging Systems, Surgical Instrumentation
Automation Robotic Arms, Linear Motion Systems

Minimize Downtime with Precision – SKF NNU4926BK/SPW33 Bearings for CNC Machines

CNC machine operators know the cost of unexpected spindle failure: unplanned downtime, missed production deadlines, and costly repairs. When precision bearings fail prematurely, the root cause often traces to inconsistent quality from unreliable suppliers or delayed delivery of critical replacement parts.

Genuine SKF NNU4926BK/SPW33 Bearings, In Stock and Ready to Ship

As an official SKF distributor, we stock the SKF NNU4926BK/SPW33 double-row cylindrical roller bearing to address these challenges. This high precision bearing is engineered for the demanding requirements of CNC machine tool spindles, where radial load capacity and rotational accuracy directly impact machining quality. Our ISO 9001-compliant inspection process ensures each bearing meets DIN standards before shipping, eliminating the risk of receiving substandard components.

Optimized Performance in High-Speed Machining Environments

The NNU4926BK/SPW33 excels in applications requiring high radial load support and precise axial alignment, such as horizontal machining centers and precision lathes. Its double-row design distributes load evenly across the bearing, reducing stress on individual rollers during high-speed operation. The open seal configuration allows for optimal lubrication circulation, critical for maintaining performance in continuous-duty CNC applications where operating temperatures can rise rapidly.

Key Technical Features That Drive Reliability

The 130 mm inner diameter of this cylindrical roller bearing provides a robust interface with spindle shafts, ensuring minimal runout during rotation. The double-row structure enhances rigidity, a critical factor for maintaining machining tolerances in tight-tolerance operations. As an SKF precision bearing, it adheres to strict manufacturing standards that control dimensional accuracy, surface finish, and material composition—all essential for achieving consistent performance in high-precision CNC applications.

Why Authenticity Matters for Your Production Line

Counterfeit bearings may offer lower upfront costs, but they frequently fail to meet SKF’s material and manufacturing specifications. This leads to premature wear, increased vibration, and potential spindle damage that can cost far more than the price of a genuine bearing. Our authorized distribution channels guarantee that every SKF NNU4926BK/SPW33 bearing can be traced back to SKF’s original production, providing the reliability your CNC equipment demands.

Your Trusted Partner for Precision Bearing Solutions

With dual authorization for European premium brands, we maintain sufficient stock of P4/P2 grade bearings to support urgent maintenance needs. Our senior application engineers provide technical support to ensure proper bearing selection, while our premium shockproof logistics protect components during transportation. Serving over 800 clients across 45+ countries, we’ve built a reputation for delivering authentic, high-precision bearings with the documentation and support required for large-scale engineering projects.

Packaging & Shipping

  • Original SKF packaging with product certification documents
  • Protective outer packaging to prevent damage during transit
  • Package Size: 25.00cm × 25.00cm × 25.00cm
  • Package Gross Weight: 0.300kg
  • Global shipping via DHL, FedEx, or UPS with tracking
  • 1 piece minimum order quantity, ideal for emergency repairs

Get Your CNC Machine Back to Peak Performance

Don’t let bearing issues disrupt your production schedule. The SKF NNU4926BK/SPW33 double-row cylindrical roller bearing is in stock and ready to ship, ensuring minimal downtime for your CNC machine tools. Contact us today with your requirements, and our team will provide a prompt quote and delivery timeline.

Frequently Asked Questions

Q: Are these genuine SKF bearings?

A: Yes, we are an official SKF authorized distributor. Every bearing comes with complete traceability documentation to confirm authenticity.

Q: How can I confirm this bearing fits my CNC machine?

A: Provide your machine model or spindle specifications, and our application engineers will verify compatibility at no cost.

Q: What is your warranty policy?

A: We offer the full SKF manufacturer’s warranty, covering manufacturing defects with no-questions-asked replacement.

Q: What is the minimum order quantity?

A: We accept orders for 1 piece, supporting both emergency repairs and small-batch requirements.

Q: How quickly can you ship this bearing?

A: In-stock items ship within 3-7 business days via your preferred courier (DHL, FedEx, or UPS).

Q: How do I verify the bearing’s authenticity upon receipt?

A: Check the SKF packaging for holographic labels and scan the QR code to verify product details on SKF’s official database. We also provide a certificate of conformance with each order.

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Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Inquiry

Get Pricing &
Technical Support

Submit your inquiry for High Precision SKF NNU4926BK/SPW33 Double-Row Cylindrical Roller Bearing for CNC Machine Tools 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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