Roller Bearing
Ensure smooth, long-lasting operation for your industrial machinery with the Needle Roller Bearing NA4834, NA4836, NA4838—engineered to deliver P0-P4 precision and reliable performance under heavy radial loads. Crafted from high-grade bearing steel with C0/C3/C4 clearance options, this closed-style bearing (170*215*45mm for NA4834) eliminates the need for separate inner/outer rings, streamlining installation while maintaining strict dimensional accuracy.
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
3-7 días
Servicio
OEM ODM
Paquete de Transporte
Palet de Cartón
Especificación
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, Componentes del Motor
Maquinaria agrícola
Cosechadoras, Tractores
Nueva Energía
Aerogeneradores, Equipos Fotovoltaicos
Maquinaria Pesada
Excavadoras, Equipos de Construcción
Manufacturing plants lose thousands in production costs yearly due to bearing failures. Misaligned precision, short service life, and delayed deliveries of critical components like needle roller bearings often disrupt entire production lines. When machinery grinds to a halt, every hour counts—especially for high-precision equipment where standard parts can’t meet performance demands. Our NA4834 Needle Roller Bearing addresses these challenges with P0-P4 precision ratings, ensuring compatibility with high-speed industrial machinery. As an integrated manufacturer with ISO9001 certification, we control production from raw material selection to final inspection, delivering bearings that maintain stable performance even under radial loads. With 1pc MOQ for standard items and 3-7 days delivery, we support both emergency repairs and bulk production needs without compromising quality. Rendimiento Óptimo en Entornos Industriales Exigentes
This needle roller bearing excels in applications requiring high radial load capacity and compact design—ideal for machine tool spindles, printing presses, and reducers. Its closed type construction and bearing steel material provide durability in continuous operation, while options for grease or oil lubrication allow adaptation to specific machinery requirements. Whether operating in moderate temperatures or high-vibration settings, the NA4834 maintains clearance stability (C0/C3/C4) to prevent premature wear. Precision rating directly impacts machinery accuracy: P4 grade bearings reduce runout to 5μm, critical for CNC machine tools where even minor deviations affect workpiece quality. The 170*215*45 mm specification balances load capacity with space constraints, supporting radial forces without increasing equipment footprint. Clearance grades C3 and C4 accommodate thermal expansion in high-temperature applications, while the closed design minimizes contamination risks in dusty industrial settings. These engineering details translate to longer bearing life and fewer maintenance interruptions. Por qué los rodamientos auténticos reducen el costo total de propiedad
Counterfeit needle roller bearings may offer lower upfront prices, but they often fail within months, causing secondary damage to shafts and housings. Our bearings undergo rigorous QC testing, including dimensional inspection and material analysis, ensuring compliance with international standards. With a 12-month global warranty, we stand behind every unit—meaning you avoid unexpected replacement costs and production downtime. For industrial machinery makers, investing in authentic P0-P4 precision bearings reduces long-term expenses by up to 40% compared to frequent low-quality replacements. Su Socio de Confianza para Soluciones de Rodamientos Industriales
Since 2005, Jinan Saifan Bearing has served global buyers across Europe, America, and Southeast Asia, building a reputation for stable supply and technical expertise. Our in-house R&D team and QC lab ensure each bearing meets design specifications, while OEM/ODM capabilities allow customization for unique machinery requirements. We provide free technical guidance to help select the right clearance and precision等级, and our defect replacement policy ensures peace of mind. With production capacity of 1,000,000 units annually, we maintain stock for rapid delivery, even during peak demand periods. Números de seguimiento en tiempo real proporcionados una vez que se despacha el envío
Asegure el rendimiento de su maquinaria hoy
Don’t let bearing issues derail your production schedule. Whether you need NA4834, NA4836, or NA4838 bearings, our team can confirm compatibility with your equipment and provide a detailed quote. With fast sample provision and bulk delivery, we help minimize downtime and keep your machinery running at peak efficiency. Preguntas Frecuentes
Q: ¿Son estos rodamientos de rodillos de aguja genuinos?
A: Yes, all our bearings are manufactured in-house under ISO9001 and ISO14001 certifications, with full traceability from raw materials to finished products. Q: How do I confirm if the NA4834 fits my machinery? A: Provide your equipment model or shaft/housing dimensions, and our technical team will verify compatibility and recommend the appropriate clearance and precision等级. P: ¿Cuál es el período de garantía para estos rodamientos?
A: Ofrecemos una garantía global de 12 meses que cubre defectos de fabricación, con reemplazo gratuito o reembolso disponible para productos no conformes.
Q: ¿Cuál es la cantidad mínima de pedido?
A: Los artículos estándar tienen un MOQ de 1 pieza, apoyando tanto reparaciones de emergencia como pruebas de pequeños lotes.
P: ¿Qué tan rápido puedo recibir mi pedido?
A: Samples are available in 3-5 days, and bulk orders ship within 5-15 days depending on specifications. Q: ¿Cómo puedo verificar la autenticidad de los rodamientos?
A: Each bearing includes production batch codes, and we can provide material test reports and certification documents upon request. Ready to order or need a quote?
NA4834
170*215*45 mm
Eliminate Downtime with NA4834 Needle Roller Bearings for Industrial Machinery
NA4834 Needle Roller Bearings: Engineered for Reliable Industrial Performance
Key Technical Attributes That Drive Machinery Efficiency
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Roller Bearing
Roller Bearing
Roller Bearing
Roller Bearing