High Rigidity Double Row Cylindrical Roller Bearing NN3017 Tn9/Sp for Lathe Main Shaft with 60-64 HRC Hardness
<p>Ensure your lathe main shaft operates with uncompromising precision using our <strong>High Rigidity Double Row Cylindrical Roller Bearing NN3017 Tn9/Sp</strong>, engineered to deliver exceptional stability even under heavy cutting loads. Crafted with 60-64 HRC hardness, this bearing minimizes vibration and extends tool life, solving the common challenge of maintaining accuracy during prolonged machining sessions.</p><ul><li>Double row design with Tn9/Sp precision grade ensures tight radial runout control for critical turning operations</li><li>Separated inner ring construction allows for easy mounting and adjustment, reducing downtime during maintenance</li><li>Brass cage option provides superior heat dissipation, ideal for high-speed spindle applications in precision manufacturing</li></ul>
- 100% genuine -- COC & factory certificates available
- In-stock · bulk & small-batch orders accepted
- ISO · DIN · ABMA · JIS compliant
- Full customs clearance documentation provided
Product Details
Full Specifications & Description
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 |
| HS Code | 8482800000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Machine Tools | Lathe Main Shaft |
Finding a High Rigidity NN3017 Tn9/Sp Lathe Bearing? Key Factors to Consider
Lathe operators and maintenance teams often face challenges with main shaft bearings—premature wear from insufficient rigidity, installation issues due to non-separated designs, or unclear traceability of material quality. These problems lead to costly downtime and inconsistent machining precision, especially in high-speed turning operations.
Engineered for Lathe Main Shaft Reliability
The High Rigidity Double Row Cylindrical Roller Bearing NN3017 Tn9/Sp addresses these issues directly. With separated inner and outer rings, it simplifies installation and replacement, while its 60-64 HRC hardness ensures resistance to deformation under heavy cutting loads. Our ISO 9001-certified production processes validate material quality, and our extensive inventory covers both standard and hard-to-find models for quick turnaround.
Optimal Performance in Precision Machining
This bearing excels in lathe main shafts where high radial rigidity and axial load capacity are critical. Operating in typical workshop environments (10-40°C), it maintains dimensional stability during extended machining cycles. The Tn9/Sp design minimizes vibration (Z1V1 to Z3V3 grades available), directly reducing surface finish defects in workpiece production. Proper clearance selection (C0-C5) allows customization for specific cutting conditions, from light finishing to heavy roughing.
Technical Features That Impact Lathe Performance
The double row cylindrical roller configuration provides 30% higher radial load capacity compared to single row designs, ideal for absorbing cutting forces in lathe applications. Brass or steel cages offer distinct advantages—brass cages reduce noise at high speeds, while steel cages enhance durability in intermittent operation. The 60-64 HRC surface hardness, achieved through controlled heat treatment, ensures a balance between wear resistance and toughness, preventing chipping during sudden load changes. Precision-ground raceways further reduce friction, extending bearing life by minimizing heat generation.
Total Cost of Ownership Beyond Initial Price
Choosing the right lathe main shaft bearing directly affects production costs. A bearing with inadequate rigidity may require frequent replacement (every 3-6 months in heavy use), while this NN3017 Tn9/Sp model typically lasts 12-18 months under similar conditions. Proper hardness and clearance reduce machine vibration, lowering tool wear by up to 20% and improving workpiece accuracy, which reduces scrap rates. These factors make the initial investment in a quality bearing more economical over time compared to cheaper alternatives with hidden maintenance costs.
Quality Assurance You Can Verify
Our production follows ISO 9001 standards, with raw material inspection for chemical composition and mechanical properties. Finished bearings undergo dimensional testing (tolerance class P0-P6 available), hardness verification (60-64 HRC), and vibration analysis to ensure compliance with specifications. We provide a warranty against manufacturing defects, with clear documentation of inspection results upon request. Our global supply chain allows us to source or produce bearings to match international standards, ensuring interchangeability with existing equipment.
Packaging & Shipping
- Packaged in cartons with pallet reinforcement for bulk orders
- Spot inventory available for immediate shipping on standard configurations
- Shipping options include express courier, air freight, and sea freight based on urgency and destination
- Low minimum order quantity supported, from single units to full container loads
Get Pricing for Your Lathe Bearing Requirement
Whether you need a single replacement or bulk order for maintenance stock, provide the bearing model, required clearance grade, and quantity. Our technical team can also assist with cross-referencing if you have equipment specifications but need confirmation on the correct NN3017 Tn9/Sp configuration. Early inquiry ensures priority processing and faster delivery.
Frequently Asked Questions
Q: Do you supply other brands or models of cylindrical roller bearings?
A: Yes, we support procurement of all major brands and models, including custom specifications based on your requirements.
Q: How can I confirm this bearing fits my lathe model?
A: Provide your lathe's make, model, and main shaft dimensions (d x D x B), and our technical team will verify compatibility with the NN3017 Tn9/Sp bearing.
Q: What is the warranty period for this bearing?
A: We offer a warranty against manufacturing defects; specific terms are detailed in the sales contract, typically covering 12 months from delivery.
Q: What is the minimum order quantity for this bearing?
A: We accept minimum orders of 1 unit, making it suitable for both emergency replacements and scheduled maintenance stock.
Q: How quickly can you ship the NN3017 Tn9/Sp bearing?
A: In-stock items ship within 24 hours; custom configurations or special clearances may take 5-7 business days.
Q: Can you produce custom bearings according to specific drawings?
A: Yes, we support OEM/ODM services for non-standard dimensions, materials, or performance requirements based on provided technical drawings.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we'll get back to you with pricing and lead time.
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High Rigidity Double Row Cylindrical Roller Bearing NN3017 Tn9/Sp for Lathe Main Shaft with 60-64 HRC Hardness
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