Deep Groove Ball Bearing
Rnav4922-4930 High Precision Needle Roller Bearings Factory Supply
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

Rnav4922-4930 High Precision Needle Roller Bearings Factory Supply

Ensure smooth, precise machinery operation with our High Precision Needle Roller Bearings, engineered to minimize friction and maximize load capacity for critical applications. Available in models W639/3-2RS1, W639/2-2Z, and W639-2Z (2*6*3mm specification), these bearings deliver consistent performance with Z1V1-Z3V3 vibration control and flexible lubrication options (grease or oil).

  • Rich stock ensures 100% on-time delivery, eliminating production delays when you need replacements fast
  • OEM/ODM services available to tailor specifications to your exact equipment requirements
  • Sample testing supported to verify fit and function before full order placement

Technical Specifications
Product Name
Rnav4922-4930 High Precision Needle Roller Bearings Factory Supply
Category
Deep Groove Ball Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable
Request a Quote WhatsApp Inquiry

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

Especificaciones del Producto{{ZKF_1}} Parámetro{{ZKF_1}} Detalles{{ZKF_1}} Número de modelo{{ZKF_1}} Especificación{{ZKF_1}}

Existencias

Acciones Ricas

Tecnología de grasas

Alto

Lubricación Grasa o Aceite{{ZKF_1}}

Vibración{{ZKF_1}}

,

,
Servicio{{ZKF_1}}

OEM, ODM

Entrega

por servicio urgente, carretera, tren, avión o mar

Muestra

Disponible

Tasa de Entrega a Tiempo

100,0 %

Tiempo de respuesta

Menos de 0,5 h

Paquete de transporte

Palé de cartón

Marca registrada{{ZKF_1}}

BDL//

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 Origen{{ZKF_1}} China{{ZKF_1}} Código HS{{ZKF_1}}

8482102000

Capacidad de producción

20 000 000 unidades al año

W639/3-2RS1, W639/2-2Z, W639-2Z
2*6*3mm
Idoneidad de la Aplicación{{ZKF_1}} Industria{{ZKF_1}} Aplicaciones Típicas{{ZKF_1}}

Equipos de automatización

Automoción

Maquinaria industrial
Precision linear guides, small motor assemblies
Instrument panels, door mechanisms
Conveyor systems, small gearboxes

Need Reliable W639 Series Needle Roller Bearings? Avoid Common Sourcing Headaches

Finding the right needle roller bearings for your equipment can be frustrating. Mismatched dimensions lead to installation delays, while low-quality bearings fail prematurely, causing costly downtime. With so many brands and型号 on the market, sourcing multiple types often means juggling multiple suppliers and inconsistent lead times.

Diseñado para ofrecer un rendimiento constante en aplicaciones exigentes

Our Rnav4922-4930 high precision needle roller bearings address these challenges directly. As a专业轴承供应商 with extensive experience, we maintain rich stocks of W639 series models like W639/3-2RS1, W639/2-2Z, and W639-2Z, ensuring you get the exact规格 you need without delays. Whether for automation equipment guides or automotive mechanisms, these bearings deliver reliable performance where precision matters most.

Optimal Performance in Tight Spaces and High-Rigidity Requirements

This needle roller bearing series excels in applications with limited radial space, thanks to its compact 2*6*3mm design. The high grease technology ensures effective lubrication under varying loads, while vibration grades Z1V1 to Z3V3 accommodate different precision needs—from general industrial use to more sensitive equipment. Proper lubrication (grease or oil) selection directly impacts bearing life, making this versatility a key advantage in diverse operating conditions.

Características técnicas clave que mejoran la fiabilidad

Several critical specifications contribute to the performance of these needle roller bearings. The vibration class (Z1V1 to Z3V3) indicates the bearing’s balance quality; higher grades like Z3V3 reduce noise and vibration in precision machinery. The lubrication flexibility (grease or oil) allows adaptation to operating temperatures and speeds—grease for lower maintenance, oil for high-speed applications. Additionally, the 2*6*3mm dimension ensures interchangeability with major international standards, simplifying replacement and reducing inventory complexity.

Por qué los rodamientos de calidad reducen el costo total de propiedad

Choosing substandard needle roller bearings may seem cost-effective initially, but the hidden expenses add up. Early wear from poor material quality leads to frequent replacements and unplanned downtime. Our bearings, manufactured under rigorous quality control, minimize these risks. With ISO 9001-compliant production processes, each unit undergoes strict dimensional and hardness testing, ensuring it meets the performance requirements of your application. This reliability translates to longer service intervals and lower overall maintenance costs.

Calidad en la que puedes confiar: desde la producción hasta la entrega

Our commitment to quality starts with raw material inspection and continues through every stage of manufacturing. All bearings follow ISO 9001-certified production and检验流程, with成品尺寸, hardness, and表面处理检测 before shipment. We stand behind our products with a质保期, covering manufacturing defects for your peace of mind. With a comprehensive network of suppliers, we offer both自有品牌 and international brand options, ensuring you get bearings that match your specific standards and requirements.

Packaging & Shipping

  • Securely packaged in carton pallets to prevent damage during transit
  • Rich stocks available for immediate dispatch, ensuring fast delivery
  • Flexible shipping options: Express, Road, Train, Air, or Sea based on your location and urgency

    • Se admite un pedido mínimo bajo, ideal tanto para reparaciones a pequeña escala como para grandes producciones

Get Your W639 Series Bearing Quote Today

Whether you need W639/3-2RS1, W639/2-2Z, W639-2Z, or other needle roller bearings, we’re here to help. Contact us with your required model, quantity, and delivery location, and our team will respond within 0.5h with pricing and availability. With our 100% on-time delivery rate, you can count on receiving your order when you need it.

Preguntas Frecuentes{{ZKF_1}}

Q: ¿Suministran rodamientos de otras marcas o型号?

A: Yes, we support inquiries for all bearing brands and型号. We can source according to your specified brand, dimensions, or performance requirements.

P: ¿Cómo puedo comprobar si este rodamiento es compatible con mi equipo?

A: Provide your equipment’s required bearing dimensions (d x D x B), model number, or application details. Our technical team will verify compatibility with the W639 series specifications.

Q: What is your质保政策 for these bearings?

A: We provide a质保期 covering manufacturing defects. Specific terms are outlined in the sales contract, and defective products can be replaced or returned within the warranty period.

P: ¿Cuál es la cantidad mínima de pedido?

A: We offer low minimum order quantities, supporting small batch purchases for testing or maintenance, as well as large-volume orders for production.

P: ¿Cuánto tarda el envío y qué métodos hay disponibles?

A: With rich stocks, we ship immediately. Shipping time depends on the method: Express (1-3 days), Air (3-7 days), Sea (20-40 days), Road, or Train. We’ll recommend the best option based on your location.

P: ¿Ofrecéis servicios de personalización OEM/ODM?

A: Yes, we support OEM and ODM定制. Provide your drawings, specifications, or performance requirements, and we can manufacture bearings tailored to your needs.

Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us now

Wind Power

Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.

Mining & Heavy Industry

Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.

Steel & Metallurgy

Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.

Automotive & EV

Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.

Precision Machinery

Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.

General Industrial

Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.

01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.

Performance Metrics

35%

Failures Prevented

70%

Downtime Reduction

25+

Years Experience

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.

Free samples available for orders over $50K

Validated against your KPIs before full production commitment.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.

Address

No. 377 Bansongyuan Road, Huangpu District, Shanghai, China

Free Sample Program

Orders over $50K qualify for free product samples

Test against your KPIs before full production commitment. Ask our engineers for details.

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Regarding: Rnav4922-4930 High Precision Needle Roller Bearings Factory Supply

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

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