Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing NA4914, engineered to deliver P0-P4 precision and reliable performance in demanding applications. This 70x100x30mm radial bearing minimizes friction and maximizes load capacity, keeping your equipment running efficiently with reduced downtime.
Especificaciones del Producto
| NA4914 |
| 70*100*30 mm |
Industrias de Aplicación
| Transmission Systems, Drivetrains |
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a radial bearing fails prematurely, production lines halt, maintenance costs rise, and deadlines are missed. Sourcing precision bearings that meet exact specifications while balancing MOQ requirements and delivery speed adds another layer of complexity to keeping operations running smoothly.
The Needle Roller Bearing NA4914 addresses these challenges with its 70x100x30mm dimensions and P0-P4 precision ratings, designed to fit industrial machinery applications requiring reliable radial load support. With over 18 years of manufacturing experience, our production lines ensure consistent quality, while our flexible order policy allows for 1 piece MOQ on standard bearings—perfect for emergency replacements or small-batch requirements. Sample orders ship within 3-5 working days, ensuring you get the parts you need without unnecessary delays.
Rendimiento Óptimo en Entornos Industriales Exigentes
This radial bearing excels in high-load, moderate-speed industrial applications where space is limited. Its needle roller design provides high radial load capacity relative to its compact size, making it ideal for gearboxes, printing machines, and reducer systems in manufacturing facilities. The closed type construction helps contain lubrication and prevent contamination, ensuring stable performance even in dusty or debris-prone environments. Whether operating in textile machinery or agricultural equipment, the NA4914 bearing delivers consistent rotation under varying load conditions.
Características técnicas clave que garantizan una larga vida útil
The NA4914's precision rating options (from P0 to P4) allow customization based on application requirements—P4 for high-precision machinery like CNC spindles, and P0 for general industrial use. Bearing steel construction provides excellent durability and wear resistance, while clearance options (C0, C3, C4) accommodate thermal expansion and installation needs. Proper clearance selection prevents premature failure due to tight fits, especially in high-temperature operations. The bearing's lubrication flexibility (grease or oil) allows adaptation to specific speed and temperature requirements, further extending service life when matched correctly to operating conditions.
Por qué los rodamientos genuinos son importantes para el costo total de propiedad
Choosing genuine precision bearings over counterfeit alternatives significantly reduces long-term costs. Inferior bearings often fail within months, leading to repeated replacement cycles, unplanned downtime, and potential damage to mating components. Our NA4914 needle roller bearings undergo strict quality control processes, including dimensional detection and performance testing, ensuring compliance with ISO industrial standards. While initial costs may be slightly higher, the extended service life and reduced maintenance needs result in lower total cost of ownership over time—critical for industrial operations where reliability directly impacts profitability.
Nuestro Compromiso con Soluciones de Rodamientos Confiables
With ISO 9001:2015 and ISO 14001 certifications, we maintain rigorous quality management systems throughout production. Our in-house laboratory conducts comprehensive performance tests, including service life experiments, to ensure each bearing meets specifications. As a professional manufacturer with global export experience, we offer OEM/ODM customization to adjust dimensions or materials according to customer drawings. Our technical team provides free guidance on bearing selection, installation, and maintenance, helping you optimize bearing performance in your specific application. With production capacity exceeding 1,000,000 units annually, we ensure stable supply even for large-scale requirements.
Embalaje y Envío
Embalaje en cartón y palets para un transporte seguro
Tiempo de entrega de 3 a 7 días para pedidos estándar
Múltiples opciones logísticas, incluyendo exprés, aéreo y flete marítimo
Información de seguimiento en tiempo real proporcionada para todos los envíos
Cantidad mínima de pedido de 1 pieza para rodamientos estándar
Don't let bearing issues disrupt your production schedule. Whether you need a single replacement or bulk order, we're ready to fulfill your requirements. Provide your application details and quantity, and our team will confirm compatibility and deliver a quote within 24 hours. The sooner you order, the sooner you can restore optimal performance to your industrial machinery.
Preguntas Frecuentes
Q: Is this a genuine Saifan bearing?
A: Yes, all our bearings are manufactured in our Jinan facility under strict quality control, with full traceability throughout the production process.
Q: How do I confirm if the NA4914 is suitable for my equipment?
A: Proporcione el modelo de su equipo, velocidad de operación, condiciones de carga y rango de temperatura. Nuestro equipo técnico verificará la compatibilidad y recomendará la precisión y el nivel de holgura apropiados.
P: ¿Qué cobertura de garantía ofrecen?
A: Ofrecemos una garantía de 12 meses a partir de la fecha de entrega, que cubre defectos de fabricación con reemplazo o reembolso gratuito para problemas calificados.
Q: What is the minimum order quantity for the NA4914 bearing?
A: Standard bearings have a 1 piece MOQ, allowing for emergency repairs or small-batch testing before full-scale orders.
P: ¿Qué tan rápido puedo recibir mi pedido?
A: Sample orders ship within 3-5 working days, while bulk orders typically deliver in 5-15 working days depending on quantity.
P: ¿Cómo puedo asegurarme de que el rodamiento que recibo no es falso?
A: All products include manufacturing batch numbers and comply with ISO standards. We can provide test reports and certification documents upon request to verify authenticity.
¿Listo para hacer un pedido o necesita una cotización?
Envíe su designación de rodamiento, detalles de la aplicación y cantidad — responderemos dentro de 24 horas.
High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.
Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).
P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.
Professional technical guidance and failure solutions from our R&D team.
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