Needle Roller Bearing RNA4903 22x30x13mm Radial Bearing for Industrial Machinery
ISO 9001:2015 P0-P4 Precision Factory Direct
Product Detail

Needle Roller Bearing RNA4903 22x30x13mm Radial Bearing for Industrial Machinery

Ensure smooth, reliable rotation in your industrial machinery with the RNA4903 22x30x13mm Radial Needle Roller Bearing, designed to deliver consistent performance under demanding conditions. Crafted from high-grade bearing steel and available in precision grades P0 to P4, this closed-style radial bearing minimizes downtime by reducing friction and wear, keeping your equipment operating at peak efficiency.

  • Optimized for radial loads with a compact 22x30x13mm design, ideal for tight machinery assemblies where space is critical
  • Flexible lubrication options (grease or oil) allow customization to match your specific operating environment
  • Backed by Saifan’s strict quality control and ISO 9001:2015 certification, ensuring long service life and stable performance

MOQ

1 Piece

Sample Lead Time

3-5 Days

Bulk Lead Time

5-15 Days

Warranty

12 Months

Free Sample Available
OEM / ODM Support
T/T · L/C · Alibaba

Product Description

Especificaciones del producto

Parámetro

Detalles

Modelo NO.

Dirección de Carga

Rodamiento radial

Estilo

Sin anillo exterior, sin anillo interior

Material

Acero para rodamientos

Tipo

Cerrado

Nombre del Producto

Rodamiento de agujas

Lubricación

Grasa o Aceite

Clasificación de Precisión

P0 P6 P5 P4 P2

Liquidación

C0 C3 C4

Tiempo de entrega

3-7días

Servicio

OEM ODM

Paquete de Transporte

Palet de Cartón

Especificación

Marca registrada

BDL

Origen

China

Código HS

8482102000

Capacidad de Producción

1000000

RNA4903
22*30*13 mm

Industrias de Aplicación

Industria

Equipo Típico

Maquinaria Industrial

Herramientas de Máquina, Equipos de Impresión, Reductores

Automotriz

Sistemas de Transmisión, Cajas de Cambios

Maquinaria agrícola

Cosechadoras, Tractores

Electrodomésticos

Motores eléctricos, bombas

Nueva Energía

Aerogeneradores, Equipos Fotovoltaicos

Stop Equipment Downtime with RNA4903 22x30x13mm Needle Roller Bearing for Industrial Machinery

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. Low-quality bearings often fail prematurely, leading to production delays and costly repairs. Sourcing reliable radial bearings with flexible MOQ and fast delivery can be a challenge, especially when dealing with custom specifications or urgent replacement needs.

Precision Engineered RNA4903 Radial Bearing for Reliable Performance

Our RNA4903 22x30x13mm Needle Roller Bearing is designed to address these pain points. As an integrated manufacturer with over 15 years of experience, we ensure consistent quality through our ISO9001 and ISO14001 certified production processes. This radial bearing, with its compact 22x30x13mm dimensions, is ideal for applications requiring high load capacity in limited space, such as machine tool spindles and printing equipment reducers. We offer 1pc MOQ for standard items, ensuring you can source exactly what you need without excess inventory.

Rendimiento Óptimo en Entornos Industriales Exigentes

The RNA4903 Needle Roller Bearing excels in radial load applications where space is constrained. Its closed design and bearing steel construction provide durability in various operating conditions, from standard industrial environments to more challenging settings with moderate vibration. The bearing’s ability to handle both grease and oil lubrication allows flexibility in maintenance routines, ensuring reliable rotation in continuous-duty machinery like conveyor systems and agricultural equipment.

Características Técnicas Clave que Aseguran la Longevidad

Several critical parameters define the performance of the RNA4903 Radial Bearing. Our precision rating options (P0-P4) allow you to select the right balance of accuracy and cost for your application—P4 grade for high-precision machine tools or P0 for general industrial use. Clearance options (C0, C3, C4) accommodate thermal expansion and mounting requirements, with C3 and C4 providing extra space for applications prone to temperature variations. The bearing’s closed design helps retain lubrication and prevent contamination, extending service life in dusty or debris-prone environments.

Por qué los rodamientos genuinos son importantes para su resultado final

Choosing genuine Needle Roller Bearings like the RNA4903 over counterfeit alternatives reduces long-term costs significantly. Counterfeit bearings often lack proper heat treatment, leading to early fatigue and potential equipment damage. A single bearing failure can cause unplanned downtime costing thousands in lost production. Our bearings, manufactured to international standards, come with a 12-month global warranty, ensuring you’re covered against manufacturing defects. Investing in quality bearings lowers total cost of ownership by reducing maintenance frequency and extending equipment life.

Nuestro compromiso con su éxito en la producción

Jinan Saifan Bearing has served global buyers since 2005, building a reputation for reliability across Europe, America, Southeast Asia, and the Middle East. Our in-house R&D and QC lab ensure each bearing meets strict performance standards before shipment. We offer free technical guidance to help you select the right bearing for your application, and our defect replacement policy provides peace of mind. With a production capacity of 1,000,000 units, we maintain stable supply even for large orders, supported by 3-5 day sample lead times and 5-15 day bulk delivery.

Packaging & Shipping

    Embalaje seguro en cartón y palé para evitar daños durante el tránsito

    3-7 días de tiempo de entrega para pedidos estándar

    Opciones de envío flexibles que incluyen DHL, FedEx, UPS, transporte aéreo y marítimo

    Seguimiento logístico en tiempo real proporcionado para todos los envíos

    1pc cantidad mínima de pedido para apoyar reparaciones de emergencia y necesidades de pequeños lotes

Get Your RNA4903 Bearing Shipped Today

Don’t let equipment downtime affect your production schedule. The RNA4903 22x30x13mm Needle Roller Bearing is in stock and ready to ship. Whether you need a single replacement or bulk order, we can fulfill your request quickly. Early ordering ensures minimal disruption to your operations—contact us now to get your machinery back to peak performance.

Preguntas Frecuentes

Q: Is this RNA4903 bearing an authentic product?

A: Yes, we are a direct manufacturer with full quality control processes. Each bearing is produced under ISO9001 certification and can be traced through our production records.

Q: How can I confirm if the RNA4903 22x30x13mm bearing fits my equipment?

A: Provide your equipment model or specific application requirements, and our technical team will verify compatibility and offer free选型 guidance.

Q: What is the warranty policy for this needle roller bearing?

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

Q: What is the minimum order quantity for the RNA4903 bearing?

A: Aceptamos 1pc MOQ para artículos estándar, lo que lo hace adecuado para reparaciones de emergencia y proyectos a pequeña escala.

Q: How long does it take to ship the RNA4903 bearing?

A: Standard delivery time is 3-7 days. We offer DHL, FedEx, UPS, air, and sea freight options to meet your timeline requirements.

P: ¿Cómo puedo asegurarme de que el rodamiento que recibo no es falso?

A: Our bearings come with clear product labeling and packaging. We can provide production batch records and certification documents upon request to verify authenticity.

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