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 |
CNC Lathes, Metalworking Machines |
| Industrial Machinery |
Machine Tools, Spindles |
Reduce Lathe Downtime with Nu307-Ec M High Precision C3 Clearance Lathe Roller Bearing
Metalworking operations face critical challenges when lathe bearings fail prematurely—unplanned downtime disrupts production schedules, increases maintenance costs, and compromises workpiece precision. Many manufacturers struggle with sourcing bearings that balance high precision, durability, and quick availability, especially for specialized CNC lathe applications where standard components often underperform.
Engineered for Lathe Performance: Nu307-Ec M Double Row Cylindrical Roller Bearing
Our Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M addresses these pain points with precision-engineered design tailored for metalworking machinery. As a professional bearing manufacturer with decades of export experience, we ensure each unit meets strict quality standards, from raw material inspection to full-process production supervision. This bearing delivers reliable performance in CNC lathe spindles and similar high-stress metalworking environments, where precision and load capacity are non-negotiable.
Optimal Performance in Metalworking Conditions
This double row cylindrical roller bearing excels in applications requiring high radial load capacity and precise concentricity—key requirements for lathe operations. Its separated design allows for easy mounting and dismounting, simplifying maintenance, while the C3 clearance grade accommodates thermal expansion during continuous operation. Whether handling heavy-duty cutting or high-speed rotation, this bearing maintains stability, reducing vibration and extending tool life in CNC lathes and metalworking machines.
Technical Features That Drive Lathe Efficiency
The Nu307-Ec M bearing’s performance is defined by critical engineering details: its 60-64 HRC hardness ensures resistance to wear under heavy loads, while the brass or steel cage options enhance durability and heat dissipation. The Z1V1 to Z3V3 vibration grades allow customization based on noise sensitivity, crucial for precision machining environments. With clearance options from C0 to C5, operators can optimize preload and thermal management, ensuring consistent performance across varying operating temperatures and speeds.
Why Genuine Bearings Matter for Lathe Operations
Choosing non-genuine bearings for lathes risks more than just frequent replacements. Inferior materials and imprecise manufacturing lead to excessive vibration, poor workpiece finish, and potential spindle damage—costing far more in downtime and repairs than the initial savings on cheaper components. Our bearings meet ISO international standards and undergo rigorous dimensional and performance testing, ensuring they deliver the reliability needed to keep metalworking operations running efficiently.
Your Trusted Partner for Lathe Bearings
With ISO 9001:2015 and ISO 14001 certifications, we stand behind our products with a 12-month warranty from the date of delivery. Our technical team provides free guidance on bearing selection, installation, and maintenance, offering remote troubleshooting to minimize downtime. We support flexible orders, including 1 piece MOQ for standard bearings and sample orders with 3-5 working day delivery, ensuring you get the right part when you need it.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options available to meet your timeline
- 1 piece MOQ for standard bearings, ideal for emergency replacements
Keep Your Lathe Running—Order Today
Don’t let bearing failures slow your production. The Nu307-Ec M High Precision C3 Clearance Lathe Roller Bearing is ready to ship, designed to meet the demands of your metalworking equipment. Send us your requirements, and we’ll ensure you get the right bearing with the support you need to maintain optimal lathe performance.
Frequently Asked Questions
Q: Is this bearing suitable for high-speed CNC lathe spindles?
A: Yes, the Nu307-Ec M bearing is engineered for precision and stability in high-speed applications, with vibration grades (Z1V1-Z3V3) and clearance options (C0-C5) to suit specific operating conditions.
Q: How do I confirm if this bearing fits my lathe model?
A: Provide your lathe’s make, model, and spindle specifications, and our technical team will verify compatibility and offer free selection guidance.
Q: What is the warranty period for this bearing?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund for qualified issues.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ, supporting both emergency repairs and small-batch purchases.
Q: How quickly can I receive my order?
A: Sample orders ship in 3-5 working days, while bulk orders take 5-15 working days, with multiple logistics options to meet your timeline.
Q: Are these bearings tested for quality before shipment?
A: Yes, all products undergo strict incoming material inspection, in-process supervision, and final performance testing, including dimensional and vibration checks, to meet ISO standards.
Ready to order or need a quote?
Send your bearing designation, lathe model, and quantity — we’ll respond within 24 hours.
