Roller Bearing
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.
MOQ
1 Piece
Sample Lead Time
3-5 Days
Bulk Lead Time
5-15 Days
Warranty
12 Months
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
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
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. 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. 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
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.
RNA4903
22*30*13 mm
Stop Equipment Downtime with RNA4903 22x30x13mm Needle Roller Bearing for Industrial Machinery
Precision Engineered RNA4903 Radial Bearing for Reliable Performance
Packaging & Shipping
Get Your RNA4903 Bearing Shipped Today
Send us your bearing requirements. Our technical team will respond within 24 hours with pricing, availability, and custom options.
Submit Your Inquiry
Fill in product name, quantity, and any custom requirements.
Receive Quotation
We send PI with pricing and lead time within 24 hours.
Confirm & Ship
Confirm order, complete payment, and we arrange delivery.
Roller Bearing
Roller Bearing
Roller Bearing
Roller Bearing