Saifan Bearing
Cylindrical Roller Bearings NJ406 NJ413 NJ421 NJ430EM for Machine Tool Spindles High Precision P4
Cylindrical Roller Bearings NJ406 NJ413 NJ421 NJ430EM for Machine Tool Spindles High Precision P4
Cylindrical Roller Bearings NJ406 NJ413 NJ421 NJ430EM for Machine Tool Spindles High Precision P4
Cylindrical Roller Bearings NJ406 NJ413 NJ421 NJ430EM for Machine Tool Spindles High Precision P4
Cylindrical Roller Bearings NJ406 NJ413 NJ421 NJ430EM for Machine Tool Spindles High Precision P4
Cylindrical Roller Bearings NJ406 NJ413 NJ421 NJ430EM for Machine Tool Spindles High Precision P4
Cylindrical Roller Bearings NJ406 NJ413 NJ421 NJ430EM for Machine Tool Spindles High Precision P4
Cylindrical Roller Bearings NJ406 NJ413 NJ421 NJ430EM for Machine Tool Spindles High Precision P4
Cylindrical Roller Bearings NJ406 NJ413 NJ421 NJ430EM for Machine Tool Spindles High Precision P4
Cylindrical Roller Bearings NJ406 NJ413 NJ421 NJ430EM for Machine Tool Spindles High Precision P4
In Stock · Ready to Ship

Cylindrical Roller Bearings NJ406 NJ413 NJ421 NJ430EM for Machine Tool Spindles High Precision P4

SKU: bfe859c0d832

Ensure smooth, high-precision rotation for your machine tool spindles with our Cylindrical Roller Bearings NJ406, NJ413, NJ421, NJ430EM. Engineered to P4 precision grade, these bearings deliver exceptional radial load capacity and stability, minimizing vibration and extending spindle service life even under heavy-duty operation.

  • Separated structure design allows easy mounting and dismounting, simplifying maintenance and reducing downtime
  • Constructed with high-grade bearing steel for reliable performance in continuous industrial use
  • Available in open type with 110*200*53 mm specification, perfect for high-speed machining applications
  • Backed by our ISO 9001-certified quality control and 12-month warranty for your peace of mind
Factory Price
¥1.10
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.

Nombre del Producto

Rodamiento de rodillos cilíndricos

Estructura

Cilíndrico

Calificación de Precisión

P0, P6, P5, P4, P2

Material

Acero para rodamientos

Dirección de Carga

Rodamiento Radial

Separado

Separado

Esférico

Rodamientos No Alineados

Tipo de Sellos

Abrir

Lubricar

Aceite, Grasa, Seco

Número de fila

Fila Única

Dimensión Externa

Grande (200-430mm)

Especificación

Servicio

OEM, ODM

Origen

China

Código HS

8482500090

NJ406, NJ413, NJ421, NJ430EM
110*200*53 mm

Industrias de Aplicación

Industria

Equipo Típico

Fabricación

Máquinas herramienta CNC, Husillos, Cajas de engranajes

Maquinaria Industrial

Printing Presses, Reducers

Eliminate Spindle Downtime with NJ406-NJ430EM High Precision P4 Cylindrical Roller Bearings

Machine tool operators know the frustration: unexpected spindle failure halts production, eats into profits, and delays deadlines. Low-precision bearings wobble under high speeds, causing poor surface finishes and frequent replacements. Sourcing reliable high-precision bearings often means long lead times or minimum orders that tie up capital. These challenges don’t just cost money—they erode your competitive edge.

Engineered for Machine Tool Spindles: Precision You Can Rely On

Our Cylindrical Roller Bearings NJ406, NJ413, NJ421, and NJ430EM are designed to solve these pain points. As an integrated bearing manufacturer with ISO9001 and ISO14001 certifications, we deliver P4 precision—critical for machine tool spindles where even microns matter. The separated inner and outer rings allow easy mounting, while the radial load capacity ensures stable performance in high-torque applications. Whether you’re running a small job shop or a large production facility, these bearings reduce vibration, extend spindle life, and maintain consistent machining accuracy.

Optimized for High-Speed, Heavy-Duty Machining

These Cylindrical Roller Bearings excel in the demanding conditions of machine tool spindles. Operating at high rotational speeds, they handle radial loads with minimal friction, thanks to their cylindrical roller design and open construction that allows efficient lubrication. The bearing steel material provides the strength needed to withstand continuous operation, while the single-row structure balances load capacity and precision. Whether cutting hard metals or finishing delicate parts, these bearings maintain stability, reducing tool wear and improving surface quality.

Excelencia Técnica Que Impulsa el Rendimiento

Precision rating P4 is not just a label—it’s a guarantee of performance. P4 bearings have tighter tolerances for bore diameter, outer diameter, and width, ensuring minimal runout and vibration. This translates to smoother spindle rotation, which is essential for achieving tight part tolerances. The separated design simplifies installation and maintenance, allowing for quick replacements and reducing downtime. Additionally, the radial load direction capability makes these bearings ideal for spindle applications where radial forces dominate, such as in milling and drilling operations. With options for oil, grease, or dry lubrication, they adapt to various machining environments, providing versatility without compromising performance.

Por qué comprometerse con los rodamientos cuesta más a largo plazo

Choosing low-quality bearings to save upfront costs often leads to higher expenses later. Inferior materials wear quickly, causing premature spindle failure and costly repairs. Poor precision results in scrapped parts and rework, wasting time and materials. In contrast, our High Precision P4 Bearings offer long-term value through extended service life and consistent performance. Backed by a 12-month global warranty, they minimize the risk of unexpected failures. We stand behind our products, offering defect replacement and free technical guidance to ensure you get the most out of your investment. When you factor in reduced downtime, fewer replacements, and improved part quality, the choice for genuine, high-precision bearings becomes clear.

Su Socio de Confianza para Soluciones de Rodamientos

Since 2005, Jinan Saifan Bearing has served global buyers across Europe, America, Southeast Asia, and the Middle East. Our full R&D and QC lab ensure every bearing meets strict quality standards. We offer flexible orders—1pc MOQ for standard items—so you can stock exactly what you need without excess inventory. With 3–5 days sample lead time and 5–15 days bulk delivery, we keep your production on schedule. Our team provides free technical guidance, helping you select the right bearings for your specific application. We support OEM/ODM customization, tailoring solutions to your unique requirements. When you work with us, you get more than a supplier—you get a reliable long-term partner committed to your success.

Embalaje y Envío

    Embalaje en cartón y palets para un transporte seguro

    3–5 días de tiempo de entrega de muestras para artículos estándar

  • 5–15 days bulk delivery to meet production deadlines
  • Flexible shipping options including T/T, credit card, and Alibaba trade
  • 1pc MOQ disponible para reparaciones de emergencia o necesidades de pequeñas cantidades

Get Your Spindles Running at Peak Performance

Don’t let subpar bearings slow down your production. Our NJ406, NJ413, NJ421, and NJ430EM High Precision P4 Cylindrical Roller Bearings are in stock and ready to ship. Send us your bearing designation, application details, and quantity today, and we’ll provide a quote within 24 hours. The sooner you upgrade, the sooner you’ll see improved efficiency, reduced downtime, and better machining results.

Preguntas Frecuentes

P: ¿Son estos rodamientos genuinos y trazables?

A: Yes, we manufacture our bearings in-house with full quality control and provide ISO9001 & ISO14001 certifications. Each product can be traced through our production and QC processes.

Q: How do I confirm if the NJ430EM bearing fits my machine tool spindle?

A: Provide your spindle model or technical specifications (bore diameter, outer diameter, width, load requirements), and our technical team will verify compatibility for free.

Q: What is the warranty policy for these P4 precision bearings?

A: Ofrecemos una garantía global de 12 meses que cubre defectos de fabricación. Los productos defectuosos serán reemplazados o reembolsados sin costo alguno.

Q: What is the minimum order quantity for NJ413 bearings?

A: We accept 1pc MOQ for standard items, making it easy to order for emergency repairs or small-scale production.

Q: How quickly can I receive my order of NJ421 bearings?

A: Sample lead time is 3–5 days, and bulk delivery takes 5–15 days, depending on quantity and location.

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.