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 shafts, precision machining centers |
NN3017 Tn9/Sp High Rigidity Double Row Cylindrical Roller Bearing: Solving Lathe Main Shaft Performance Issues
Lathe operators know the frustration of main shaft vibrations causing poor workpiece precision, or bearings failing prematurely under heavy cutting loads. Finding a replacement Lathe Main Shaft Bearing that matches original specifications while balancing rigidity and durability often means sifting through dozens of suppliers with limited technical data.
Engineered for Lathe Main Shaft Reliability
This Double Row Cylindrical Roller Bearing directly addresses these challenges with its high rigidity design, essential for maintaining precision in lathe operations. As a supplier with extensive experience across industrial bearings, we ensure our products meet the dimensional standards required for seamless interchangeability, backed by ISO 9001 certified quality control processes. Whether you need a single replacement or bulk orders, our inventory system supports quick turnaround for critical machine tool components.
Optimal Performance in Lathe Operating Conditions
Designed specifically for Lathe Main Shaft applications, this bearing excels under radial and axial loads typical in heavy-duty metalworking. Its separated structure allows for easy installation and maintenance, while the 60-64 HRC hardness rating ensures resistance to wear during prolonged high-speed operation. The combination of brass or steel cages provides stability across the 120-190mm outer dimension range, making it suitable for medium to large lathe models.
Key Engineering Features for Lathe Applications
The NN3017 Tn9/Sp Bearing incorporates several critical design elements that impact performance. Its double row configuration increases load-carrying capacity by up to 40% compared to single row alternatives, crucial for withstanding intermittent cutting forces. The precision-machined bearing steel construction ensures minimal runout, directly translating to improved workpiece surface finish. Available clearance grades (C0-C5) allow customization for specific operating conditions—tighter clearances for precision work, larger clearances for high-temperature environments. Vibration class options (Z1V1-Z3V3) let you match bearing performance to machine sensitivity requirements, reducing noise and extending tool life.
Total Cost Impact of Bearing Selection
Choosing the right High Rigidity Double Row Bearing goes beyond initial price. A properly specified bearing reduces unplanned downtime, which can cost thousands in lost production. The 60-64 HRC hardness ensures longer service intervals compared to lower-grade alternatives, while the separated design simplifies maintenance—saving on labor costs during overhauls. By selecting a bearing with interchangeable dimensions, you avoid the expense of modifying shaft or housing fit, preserving your machine’s original performance specifications.
Quality Assurance You Can Verify
Our manufacturing process adheres to ISO 9001 standards, with raw material inspection and finished product testing for dimensions, hardness, and surface quality. Each bearing undergoes precision testing before shipment, ensuring compliance with stated specifications. We provide a warranty against manufacturing defects, with clear terms for replacement or refund. Our global procurement network allows us to source according to your exact requirements, whether you need standard configurations or specialized variants.
Packaging & Shipping
- Packaged in cartons with pallet reinforcement for bulk orders
- Available from stock for urgent replacement needs
- Flexible shipping options including express courier, air freight, and sea transport
- Low minimum order quantity supported, ideal for maintenance departments and small-to-medium manufacturers
Get Your Lathe Bearing Quote Today
Provide your lathe model, required quantity, and delivery location, and we’ll promptly share pricing and availability for the NN3017 Tn9/Sp Bearing. Our technical team can also assist with cross-referencing existing part numbers to ensure compatibility. The sooner you confirm your requirements, the sooner we can arrange shipment to minimize your machine downtime.
Frequently Asked Questions
Q: Do you supply bearings from other brands or models?
A: Yes, we support procurement across all major bearing brands and型号, including both international and domestic manufacturers, according to your specific requirements.
Q: How can I confirm this bearing fits my lathe?
A: Provide your lathe’s make, model, or the original bearing dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the NN3017 Tn9/Sp specifications.
Q: What warranty coverage do you offer?
A: We provide a warranty against manufacturing defects. Specific terms, including duration, are detailed in our sales contract and cover replacement or refund for non-conforming products.
Q: What is the minimum order quantity?
A: We accept low minimum order quantities, including single-unit purchases, to support maintenance needs and small-scale operations.
Q: How long does shipping take?
A: In-stock bearings ship within 1-2 business days. Delivery time depends on your location and chosen shipping method, with express options available for urgent requirements.
Q: Can you provide custom bearing solutions?
A: Yes, we support OEM/ODM customization according to customer-provided drawings, specifications, or samples for specialized applications.
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.
