Saifan Bearing
SKF Bearings
Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking
Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking
Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking
Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking
Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking
Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking
Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking
Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking
Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking
Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking
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Lathe Special Double Row Cylindrical Roller Bearing Nu307-Ec M High Precision C3 Clearance Metalworking

SKU: aa08bddb1a40

Boost your lathe's precision and reduce downtime with the Lathe special double row cylindrical roller bearing Nu307-Ec M—engineered to deliver consistent performance in high-speed metalworking operations. This high precision C3 clearance bearing minimizes vibration (Z1V1-Z3V3 grades) and handles heavy radial loads, ensuring smoother cuts and extended tool life for CNC and conventional lathes alike.

  • Crafted from premium bearing steel (60-64 HRC hardness) with separated inner/outer rings for easy installation and maintenance, a must-have for industrial machinery reliability.
  • Available with brass or steel cages to match specific operating conditions, backed by Saifan's ISO 9001-certified quality control for long-term stability.
Factory Price
¥1.05
MOQ: 1pc · Bulk discount available
ISO 9001
Certified
12-Month
Warranty
3-5 Days
Sample Delivery
Technical Documentation

Product Details

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

Dimensión Externa

Mediano y Grande(120-190mm)

Material

Acero para rodamientos

Esférico

Rodamientos No Alineados

Dirección de Carga

Separado

Separado

Liquidación

Jaula

Vibración

Paquete de Transporte

Palet de Cartón

Código HS

Double Row Cylindrical Roller Bearing
Axial Bearing
C0 C2 C3 C4 C5
Brass, Steel
Z1V1 Z2V2 Z3V3
Hardness 60-64 HRC
8482800000

Industrias de Aplicación

Industria

Equipo Típico

Fabricación

Maquinaria Industrial

CNC Lathes, Metalworking Machines
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.

Embalaje y Envío

    Embalaje de palets de cartón seguro para prevenir daños durante el tránsito

    Los pedidos de muestra se envían dentro de 3-5 días hábiles

    Pedidos al por mayor entregados en 5-15 días hábiles

    Múltiples opciones logísticas disponibles para cumplir con su cronograma

    1 pieza MOQ para rodamientos estándar, ideal para reemplazos de emergencia

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.

Preguntas Frecuentes

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: ¿Cuál es el período de garantía para este rodamiento?

A: Ofrecemos una garantía de 12 meses a partir de la fecha de entrega, que cubre defectos de fabricación con reemplazo gratuito o reembolso para problemas calificados.

P: ¿Cuál es la cantidad mínima de pedido?

A: Los rodamientos estándar tienen un MOQ de 1 pieza, apoyando tanto reparaciones de emergencia como compras en pequeñas cantidades.

P: ¿Qué tan rápido puedo recibir mi pedido?

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.

Quality Assurance
100% Inspection

High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.

Delivery
3-15 Days

Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).

Customization
Full OEM/ODM

P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.

After-Sales
12-Month Warranty

Professional technical guidance and failure solutions from our R&D team.

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Need a Custom Solution?

Our R&D team supports full OEM/ODM customization with technical drawings. Contact us for stable factory pricing and reliable supply.