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.
You May Also Need
Related Products
-
SKF
N 1013 KPHA/SPVR592 Cylindrical Roller Bearing SP Precision for Industrial Machinery in Stock
<p>Ensure peak performance in your industrial machinery with the <strong>N 1013 KPHA/SPVR592 bearing</strong>, a precision-engineered SKF cylindrical roller bearing designed to deliver reliable, long-lasting operation even under demanding conditions. As an SP precision grade component, it minimizes vibration and ensures tight tolerances, reducing downtime and extending equipment lifespan for critical applications.</p><ul><li>SP and UP precision ratings for superior rotational accuracy in high-speed industrial environments</li><li>Single row cylindrical structure with open design, ideal for applications requiring efficient heat dissipation</li><li>Directly sourced from SKF official channels with complete traceability, guaranteeing 100% authenticity and factory warranty</li><li>In-stock availability for same-day shipping, ensuring you meet urgent maintenance or production schedules without delay</li></ul>
View Details -
SKF
Super Precision Double Row Cylindrical Roller Bearing NN 3017 Ktn9/Sp for High-Precision Machinery
<p>Ensure peak performance in high-precision machinery with the <strong>SKF NN 3017 Ktn9/Sp</strong> super precision double row cylindrical roller bearing, designed to deliver exceptional rotational accuracy and load capacity for critical industrial applications. This genuine SKF bearing features an open structure optimized for thermal management, making it ideal for tight-tolerance environments where consistent operation under heavy loads is non-negotiable.</p><ul><li>Double row cylindrical design ensures superior radial load distribution, reducing vibration and extending equipment lifespan</li><li>85mm inner diameter with precision-grade construction (SP tolerance class) for seamless integration into high-speed machinery</li><li>Directly sourced from SKF official channels, guaranteeing 100% authenticity and complete batch traceability for reliable maintenance planning</li></ul>
View Details -
SKF
Double Row Cylindrical Roller Bearing NU220-EC P-C3 60-64 HRC for Heavy Industry Machinery
<p>Ensure reliable performance for your heavy industry machinery with the <strong>Double Row Cylindrical Roller Bearing NU220-EC P-C3</strong>, engineered to deliver exceptional load handling and durability in demanding environments. Crafted with high-grade bearing steel hardened to 60-64 HRC, this bearing minimizes downtime by resisting wear even under extreme pressure, while its C3 clearance ensures optimal thermal expansion accommodation during continuous operation.</p><ul><li>Separated design allows for easy mounting and dismounting, simplifying maintenance procedures for critical equipment</li><li>Precision-engineered brass or steel cage ensures stable roller guidance, reducing vibration and extending service life</li><li>Directly sourced from SKF official channels, guaranteeing 100% authenticity and full traceability for industrial reliability</li></ul>
View Details -
SKF
Double Row Cylindrical Roller Bearing NU2320-EC J C3 for Cement Building Machinery with Bearing Steel
<p>Ensure uninterrupted performance for your cement building machinery with the <strong>Double Row Cylindrical Roller Bearing NU2320-EC J C3</strong>, crafted from high-grade bearing steel to withstand heavy radial loads and harsh industrial environments. This precision-engineered bearing features a separated design for easy installation and maintenance, paired with C3 clearance to accommodate thermal expansion in high-temperature applications—critical for machinery operating under continuous stress.</p><ul><li>60-64 HRC hardness rating ensures exceptional wear resistance, extending service life and reducing unplanned downtime</li><li>Brass or steel cage options provide reliable roller guidance, maintaining alignment even in dynamic operating conditions</li><li>Directly sourced from SKF official channels, guaranteeing 100% authenticity and full batch traceability for peace of mind</li></ul>
View Details
Get a Fast Quote
Request a Quotation for
High Rigidity Double Row Cylindrical Roller Bearing NN3017 Tn9/Sp for Lathe Main Shaft with 60-64 HRC Hardness
Fill in your requirements and our multilingual sales team will respond within 12 hours with a competitive price, availability confirmation and delivery schedule.
- Reply within 12 hours -- 24/7 multilingual support
- Competitive factory-direct pricing with full documentation
- Small trial orders and bulk container loads both welcome