Needle Roller Bearing RNA4912 68x85x25mm P0-P4 Precision for Industrial Machinery
Needle Roller Bearings

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Needle Roller Bearings Roller Bearing

Needle Roller Bearing RNA4912 68x85x25mm P0-P4 Precision for Industrial Machinery

Ensure smooth, precise rotation in your industrial machinery with the Needle Roller Bearing RNA4912 68x85x25mm, engineered to deliver consistent performance even under heavy radial loads. This closed-type radial bearing, crafted from high-grade bearing steel, minimizes vibration and extends equipment uptime—critical for maintaining production schedules without unexpected interruptions.

  • P0-P4 precision ratings available to match your exact tolerance requirements, with C0/C3/C4 clearance options for optimal fit
  • Grease or oil lubrication flexibility adapts to diverse operating conditions, reducing maintenance complexity
  • 3-7 day delivery ensures quick replacement to keep your machinery running—no long waits for critical components

MOQ

1 Piece

Lead Time

5-15 Days

Warranty

12 Mo.

Precision

P0-P4

Noise Grade

Z2-Z4

Customization

OEM/ODM

  • High-grade chrome steel for long service life
  • Strict raw material inspection & full process monitoring
  • ISO 9001:2015 & ISO 14001 certified
  • ABMA & DIN standards compliant
  • Free samples for qualified distributors
  • T/T, Credit Card & Alibaba payment accepted

Product Details

Especificaciones del Producto

Parámetro

Detalles

Número de modelo

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

Palé de Cartón

Especificación

Código HS

8482102000

Capacidad de Producción

1000000

RNA4912
68*85*25 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

Nueva Energía

Aerogeneradores, Equipos Fotovoltaicos

Electrodomésticos

Motores eléctricos, Bombas

Prevent Equipment Downtime with RNA4912 Needle Roller Bearing 68x85x25mm P4 Precision

Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When low-quality bearings fail prematurely, production lines halt, maintenance costs rise, and deadlines are missed. Sourcing precision bearings with reliable delivery and consistent quality can be a constant challenge, especially when dealing with overseas suppliers who lack transparency or flexibility in order quantities.

Diseñado para un Rendimiento Confiable en Maquinaria Crítica

Our RNA4912 Needle Roller Bearing addresses these pain points with precision engineering and customer-centric service. As an integrated manufacturer with ISO9001 and ISO14001 certifications, we ensure each bearing meets P0-P4 precision standards, making it ideal for industrial machinery like machine tools and reducers where accuracy and durability are non-negotiable. With a 1pc MOQ for standard items and 3-7 days delivery time, we support both emergency repairs and planned maintenance, eliminating the need for large inventory stockpiles.

Optimized for High-Stress Industrial Applications

The RNA4912 is a radial needle roller bearing designed to handle heavy radial loads in compact spaces, thanks to its 68x85x25mm dimensions and closed-type construction. This bearing excels in applications with moderate speeds and high load capacities, such as gearboxes and transmission systems in agricultural and industrial equipment. Its needle roller design provides superior load distribution, ensuring stable operation even under fluctuating stress conditions—critical for maintaining production efficiency in manufacturing environments.

Características técnicas que garantizan el rendimiento a largo plazo

Key technical attributes of the RNA4912 directly impact its performance in industrial settings. The precision rating (P0-P4) controls dimensional accuracy and rotational stability; P4 grade, in particular, minimizes vibration and noise, essential for precision machine tools. Clearance options (C0, C3, C4) allow customization for thermal expansion needs—C3 or C4 clearances are recommended for applications with temperature variations to prevent seizure. Constructed from high-quality bearing steel, the bearing offers excellent wear resistance, while its closed type design protects internal components from contaminants, extending service life in dusty industrial environments.

Why Choosing the Right Bearing Matters for Total Cost of Ownership

Opting for genuine, precision-engineered bearings like the RNA4912 reduces long-term costs compared to cheaper alternatives. Counterfeit bearings often fail within months, leading to repeated replacements, unplanned downtime, and potential damage to expensive machinery. In contrast, our bearings come with a 12-month global warranty, covering manufacturing defects and providing free technical guidance. For a typical industrial machine, the cost of a single bearing failure—including labor, parts, and lost production—can exceed 10 times the bearing’s purchase price. Investing in quality bearings minimizes these risks and ensures predictable maintenance schedules.

Our Commitment to Quality and Customer Support

With over 18 years of experience serving global buyers across Europe, America, and Southeast Asia, we’ve built a reputation for reliability. Our in-house R&D and QC lab ensure each bearing undergoes rigorous testing before shipment, from material composition checks to dimensional accuracy verification. We offer full OEM/ODM customization, adapting the RNA4912 to specific application requirements such as special lubrication or clearance settings. Our technical team provides free guidance on bearing selection, installation, and maintenance, helping customers avoid costly选型 mistakes. With a production capacity of 1,000,000 units annually, we guarantee stable supply even for large-scale projects.

Packaging & Shipping

    Embalaje seguro de cartón y paletas para prevenir daños durante el tránsito

  • 3-7 days delivery time for standard orders, with expedited options available
  • Flexible shipping via DHL, FedEx, UPS, air freight, or sea freight based on your needs
  • Real-time tracking numbers provided once shipment is dispatched
  • 1pc minimum order quantity, supporting both emergency repairs and bulk purchases

Get Your RNA4912 Bearing Shipped Today

Don’t let bearing issues disrupt your production schedule. Whether you need a single RNA4912 for an urgent repair or are planning a large-scale equipment upgrade, we can fulfill your order quickly. Send us your bearing model, application details, and quantity, and our team will provide a competitive quote within 24 hours. The sooner you order, the sooner you can restore your machinery to peak performance.

Preguntas Frecuentes

Q: Is the RNA4912 bearing genuine and traceable?

A: Sí, somos un fabricante integrado con estrictos procesos de control de calidad. Cada rodamiento se produce en nuestra instalación certificada por ISO y viene con documentación de trazabilidad completa.

Q: How do I confirm if the RNA4912 is compatible with my equipment?

A: Provide your equipment model, operating speed, load conditions, and temperature range. Our technical team will verify compatibility and recommend the appropriate precision and clearance grade.

Q: What warranty coverage do you offer for the RNA4912?

A: We provide a 12-month global warranty covering manufacturing defects. If a bearing fails due to material or production issues, we offer free replacement or refund.

Q: What is the minimum order quantity for the RNA4912?

A: The minimum order quantity is 1 piece for standard specifications, making it suitable for emergency repairs and small-batch requirements.

Q: How quickly can you ship the RNA4912 bearing?

A: Standard orders ship within 3-7 days. For urgent requests, contact our sales team to discuss expedited production and shipping options.

Q: Can you customize the RNA4912 bearing for specific applications?

A: Yes, we offer OEM/ODM services, including custom precision grades,

Tags: 68x85x25mm Bearing Closed Type Needle Bearing Industrial Machinery Needle Bearing needle roller bearing P4 precision bearing Radial Needle Roller Bearing RNA4912 68x85x25mm P4 Bearing RNA4912 Bearing
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