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 |
| Manufacturing |
Lathes, CNC Machine Tools, Spindles |
| Machine Tools |
Lathe Main Shafts, Precision Machining Centers |
Prevent Lathe Downtime with High Rigidity NN3017 TN9/SP Cylindrical Roller Bearings
Lathe operators know the frustration of unexpected spindle failure—a single bearing issue can halt production, delay orders, and erase profit margins. When precision machining demands consistent performance, generic bearings often fail prematurely under heavy radial loads and high speeds, leading to costly rework and unplanned maintenance.
High Rigidity Double Row Cylindrical Roller Bearings for Lathe Main Shafts
Our High Rigidity Double Row Cylindrical Roller Bearing NN3017 TN9/SP is engineered to solve these challenges. As an official authorized distributor of SKF & Timken, we ensure genuine quality through a unified ISO 9001 quality inspection system, with large centralized inventory to support quick delivery for emergency maintenance. Designed specifically for lathe main shafts, this bearing combines European precision with robust construction to handle the demanding conditions of metalworking operations.
Optimal Performance in Precision Machining Applications
This Double Row Cylindrical Roller Bearing excels in high-rigidity applications where minimal deflection under load is critical. Lathe main shafts require bearings that maintain accuracy during high-speed rotation and heavy cutting forces—our NN3017 TN9/SP model delivers with its separated inner and outer rings, allowing for easy installation and precise axial adjustment. Whether used in general purpose lathes or precision CNC turning centers, this bearing ensures stable operation and extended service life.
Technical Features That Enhance Lathe Performance
The NN3017 TN9/SP Bearing incorporates key technical features that directly impact machining precision and reliability. Its 60-64 HRC hardness ensures resistance to wear and deformation under continuous operation, while the brass or steel cage options provide stable roller guidance at varying speeds. The availability of clearance grades (C0 C2 C3 C4 C5) allows customization for specific operating conditions—tighter clearances for high-precision applications, wider clearances for thermal expansion management. Vibration levels (Z1V1 Z2V2 Z3V3) are controlled to minimize noise and ensure smooth spindle rotation, critical for achieving fine surface finishes in precision turning.
Why Genuine Bearings Matter for Lathe Operations
Choosing genuine High Rigidity Lathe Bearings over counterfeit alternatives directly affects total cost of ownership. Fake bearings often use substandard steel, inconsistent heat treatment, and poor cage design—leading to premature failure, increased vibration, and potential damage to expensive spindle components. In contrast, our bearings undergo rigorous testing to meet ISO standards, with traceable material sourcing and manufacturing processes. The result is predictable performance, reduced downtime, and lower long-term maintenance costs—essential for competitive manufacturing operations.
Your Trusted Partner for Lathe Bearing Solutions
With over 1,200 clients across 55+ countries, we bring proven expertise in serving machine tool manufacturers and maintenance providers. Our dual-brand authorization ensures access to comprehensive product lines, while our cross-brand technical team can assist with选型 and application support. We offer one-stop mixed procurement, allowing you to source all necessary bearings and maintenance parts from a single supplier, reducing administrative overhead. Every bearing is inspected before shipment, and we provide complete documentation for compliance with industrial quality standards.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Stock availability for prompt delivery, typically within 3-7 business days
- Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
- Real-time logistics tracking provided for all orders
- Minimum order quantity of 1 unit, supporting both emergency repairs and planned maintenance
Get Your Lathe Back to Peak Performance
Don’t let bearing issues slow down your production schedule. Whether you need a replacement NN3017 TN9/SP Bearing for immediate repair or want to stock up on critical spares, we’re ready to fulfill your order. Send us your bearing designation, lathe model, and quantity requirements today—our team will respond with a quote within 24 hours, helping you minimize downtime and maintain machining precision.
Frequently Asked Questions
Q: Are these genuine bearings?
A: Yes, as an official authorized distributor of SKF & Timken, all our products are sourced from authentic supply chains and come with complete traceability documentation.
Q: How do I confirm if this bearing fits my lathe?
A: Provide your lathe model number or main shaft specifications, and our technical team will verify compatibility and provide选型 assistance at no cost.
Q: What is the warranty policy?
A: We stand by the manufacturer’s warranty, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, making it easy to source emergency replacement parts for critical repairs.
Q: How long does shipping take?
A: In-stock bearings are shipped within 3-7 business days, with multiple logistics options to meet your urgency requirements.
Q: How can I verify the authenticity of the bearing?
A: Each bearing comes with original packaging and manufacturer markings. We can provide additional authentication documents upon request to confirm genuine origin.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
