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 |
CNC Lathes, Machining Centers, Grinding Machines |
| Industrial Manufacturing |
Precision Spindles, Gearboxes, Electric Motors |
| Steel & Metallurgy |
Rolling Mill Spindles, Processing Lines |
Eliminate Spindle Downtime with NN3008/NN3009 Tn/Sp Double Row Cylindrical Roller Bearings
Precision spindle operations face critical challenges when bearings fail prematurely—costly production delays, compromised machining accuracy, and unexpected maintenance expenses. Many buyers struggle with sourcing authentic double row cylindrical roller bearings that meet strict tolerance requirements, while managing multiple suppliers for different bearing types increases procurement complexity and lead times.
Authentic Precision Spindle Bearings, Ready for Immediate Shipment
As an official authorized distributor integrating European precision and American heavy-duty advantages, we offer the NN3008 Tn/Sp and NN3009 Tn/Sp double row cylindrical roller bearings—engineered specifically for high-precision spindle applications. Our centralized inventory ensures these critical components are available for quick delivery, eliminating extended waiting periods that halt production. Each bearing undergoes rigorous ISO 9001 quality inspection before shipment, guaranteeing performance consistency in your most demanding machining operations.
Optimized Performance in Precision Machining Environments
The NN3008/NN3009 Tn/Sp double row cylindrical roller bearings excel in high-speed, high-rigidity applications where axial and radial load capacity are paramount. Designed with separated inner and outer rings, they accommodate thermal expansion common in continuous spindle operation while maintaining tight radial clearance control (C0-C5). These features make them ideal for precision machine tools, where minimal runout and vibration (Z1V1-Z3V3 classes) directly impact part quality and tool life.
Technical Attributes That Drive Spindle Reliability
The 60-64 HRC hardness of the bearing steel ensures exceptional wear resistance under continuous load, while the brass or steel cage options provide tailored performance—brass for higher speed stability and steel for enhanced durability in heavy-duty scenarios. The non-aligning design maintains precision under axial loads, critical for spindle applications where misalignment can cause premature failure. Vibration class ratings (Z1V1-Z3V3) allow selection based on noise and smoothness requirements, from general machining to ultra-precision grinding operations.
Why Genuine Bearings Reduce Total Cost of Ownership
Counterfeit precision spindle bearings often fail within months, causing unplanned downtime that costs manufacturers thousands in lost production. Our authentic double row cylindrical roller bearings, backed by official authorization, deliver predictable service life and reduce maintenance frequency. Unified quality standards across our product lines eliminate the variability in performance that plagues multi-supplier procurement, ensuring your spindle systems operate at peak efficiency while minimizing long-term operational costs.
Your Trusted Partner for Precision Bearing Solutions
With over 1,200 clients across 55+ countries, we bring extensive experience in serving machine tool manufacturers and industrial maintenance teams. Our cross-brand technical team provides expert选型 support to ensure optimal bearing selection for your specific spindle requirements. Every bearing is traceable to the original manufacturing batch, with complete quality certification documentation provided on request. As a dual-brand authorized distributor, we offer one-stop mixed procurement, allowing you to consolidate orders and reduce supplier management overhead.
Packaging & Shipping
- Secure carton pallet packaging with protective internal cushioning to prevent damage during transit
- 现货 available for delivery within 3-7 business days via global logistics partners
- Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight to match urgency requirements
- Real-time tracking number provided upon shipment for full supply chain visibility
- Minimum order quantity of 1 piece, supporting both emergency repairs and scheduled maintenance
Restore Spindle Performance Today
Don’t let bearing issues disrupt your production schedule. The NN3008/NN3009 Tn/Sp double row cylindrical roller bearings are in stock and ready to ship—ensuring minimal downtime and maximum spindle uptime. Contact us now with your exact model requirements and application details to secure prompt delivery.
Frequently Asked Questions
Q: Are these bearings genuine original products?
A: As an official authorized distributor, all our bearings are sourced directly from authentic supply chains and come with complete traceability documentation.
Q: How can I confirm if the NN3008/NN3009 Tn/Sp is suitable for my spindle?
A: Provide your spindle model, operating speed, and load conditions—our technical team will verify compatibility and provide expert recommendations at no cost.
Q: What is the warranty policy for these bearings?
A: We adhere to original manufacturer warranty standards, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, supporting emergency maintenance needs and small-batch procurement.
Q: How quickly can I receive my order?
A: In-stock bearings ship within 3-7 business days, with delivery options including express courier (DHL/FedEx/UPS) for urgent requirements.
Q: How can I verify the authenticity of the bearings upon receipt?
A: Each bearing includes original packaging with manufacturer markings and serial numbers. We provide certification documents for cross-verification, and our team can assist with authenticity checks if needed.
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