Name: Original NSK Crossed Roller Bearing VNR/NRXT - High Load Capacity for Robots
Brand: Shanghai Fradwell Industrial Automation Co., Ltd.
SKU: VNR/NRXT
Price: 850.00 USD
Availability: InStock

Detalhes do produto

Lugar de origem: JAPÃO

Marca: NSK

Certificação: ISO 9001 / ISO 14001、JIS、RoHS、Global Reliability Standard

Número do modelo: VNR/NRXT

Termos de pagamento e envio

Quantidade de ordem mínima: 1

Preço: $200 - $1500

Detalhes da embalagem: Original

Tempo de entrega: 3-5 dias úteis

Termos de pagamento: L/C,D/A,D/P,T/T,Western Union

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Detalhes do produto

Descrição do produto

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                                                                                                                                                                                                            Original NSK crossed roller bearing, High load capacity roller bearing, Robot compatible crossed roller bearing
                      

Tipo de rolamento:	Rolo cilíndrico cruzado	Qualidade do aço:	Aço de alta pureza desgaseificado a vácuo patenteado
Capacidade de momento:	Extrema resistência a momentos de inclinação	Vida útil:	Engenharia de Vida Prolongada à Fadiga
Origem do tipo:	Japão (100% NSK genuíno)	Prazo de envio:	Expresso internacional (DHL/FEDEX/TNT/UPS/ARAMEX)/frete marítimo / frete aéreo / linha especial inte
Taxa de frete:	Para equipamentos industriais (por exemplo, módulos PLC, inversores...), o custo de envio varia de a

Tipo de rolamento:	Rolo cilíndrico cruzado
Qualidade do aço:	Aço de alta pureza desgaseificado a vácuo patenteado
Capacidade de momento:	Extrema resistência a momentos de inclinação
Vida útil:	Engenharia de Vida Prolongada à Fadiga
Origem do tipo:	Japão (100% NSK genuíno)
Prazo de envio:	Expresso internacional (DHL/FEDEX/TNT/UPS/ARAMEX)/frete marítimo / frete aéreo / linha especial inte
Taxa de frete:	Para equipamentos industriais (por exemplo, módulos PLC, inversores...), o custo de envio varia de a

Original NSK Crossed Roller Bearing VNR/NRXT - High Load Capacity for Robots

NSK (Nippon Seiko K.K.), Japan's first and one of the world's top three bearing manufacturers, offers a depth of technical expertise that is second to none. While others may focus on variety, NSK crossed roller bearings excel in "ultimate material life" and "industrial-grade extreme load capacity." The NSK VNR and NRXT series serve as the performance foundation for high-performance industrial robots, precision rotary tables, and large-scale medical imaging equipment. By arranging cylindrical rollers alternately at 90-degree angles in a V-groove raceway, NSK bearings handle radial, axial, and moment loads simultaneously within a single structure, ensuring exceptional fatigue life and low startup torque.

Product Highlights

World-Class Bearing Steel: Utilizes NSK's patented high-purity vacuum-degassed steel, offering extreme wear resistance and fatigue strength that far exceeds industry standards.
Exceptional Moment Rigidity: The preloaded crossed roller layout eliminates internal clearance, maintaining micron-level rigid support even when subjected to tons of overturning moment.
Accuracy Meets Longevity: NSK's proprietary precision machining ensures that the bearing maintains its initial rotational runout accuracy even after tens of thousands of hours of operation.
NRXT Economic Efficiency: The NRXT series, optimized for general industrial automation, provides high cost-effectiveness while retaining NSK's core precision DNA.
Optimized Low Friction Torque: Micro-optimization of roller and cage shapes enables extremely smooth startup rotation, ideal for precision control requiring frequent starts and stops.
Comprehensive Size Range: With outer diameters ranging from 40mm to 700mm+, NSK meets the requirements for everything from small robotic arms to massive radar antennas.

Core Parameter Table (Key Series)

Series	Structural Features	Precision Class (ISO)	OD Range (mm)	Typical Advantage	Typical Application
VNR	High-Precision Standard	Class 5 / 4 / 2	40 - 600	Peak Rigidity & Accuracy	Robot Main Joints, Tables
NRXT	Compact & Economic	Class 5	40 - 200	Lightweight, Cost-Effective	Automated Indexing, Arms
RV Series	Reducer Compatible	Special High-Res	Varies	Matches RV Reducers	Heavy-Duty Robot Joints
Custom	Mounting Holes / Large	Custom	Up to 1000+	Simplified Install	Medical CT, Radar Bases

Application Fields

Medium & Large Industrial Robots: Critical components for axes 1, 2, and 3, which must withstand massive moments.
Precision Machine Tool Accessories: CNC indexing tables, rotary worktables, and Automatic Tool Changers (ATC).
Medical Imaging Equipment: CT scanners and large X-ray gantries, requiring extreme silence and smoothness.
Radar & Communication Antennas: Support for ultra-large antennas and ground tracking system bases.
Semiconductor Manufacturing: Large wafer handling platforms and high-vacuum rotary actuators.

Frequently Asked Questions

What is the difference between NSK and IKO crossed roller bearings?

IKO has highly specialized sub-lines (like super-slim types). NSK focuses on reliability and extreme lifespan for medium-to-large sizes, maintaining an excellent reputation in heavy-duty, 24/7 industrial environments.

Are the NSK bearings you sell 100% genuine Japanese products?

Absolutely. We provide only genuine NSK products with laser-coded tracking and original factory batch verification.

Why is a crossed roller bearing better than a standard thrust bearing?

Thrust bearings can only handle axial force. An NSK crossed roller bearing can replace two bearings by handling both radial and axial loads, with several times the resistance to overturning, drastically reducing the size of the mechanism.

What should I keep in mind during installation?

These bearings require extremely high flatness of the mounting surface. Any unevenness will cause uneven load distribution on the rollers, severely affecting life. Precision-ground mounting surfaces are recommended.

Does NSK provide long-life grease?

Yes. Units are typically pre-filled with NSK's specialized long-life grease. For special environments (like high vacuum or cleanrooms), we can request specific aerospace-grade lubricants.

What is the lead time for VNR models?

We maintain stock for common VNR specifications (1-2 weeks). Large or custom models typically have a factory lead time of 12-16 weeks.

Tags:

Sistemas de controlo de automação industrial

Controladores lógicos programáveis PLC

Tela de toque HMI

painel de controlo do PWB

Acionamento e Controle de Movimento

Inversor variável da movimentação da frequência

Motor de acionamento servo

Componentes eletrónicos e semicondutores

módulo do ipm do igbt

tiristor do gto

Capacitor de circuito integrado

Sensores industriais

Sensores de Proximidade Fotoelétricos

Codificadores

válvula de atuador

Componentes pneumáticos

Bomba hidráulica de válvula de solenoide

Distribuição elétrica

Transformador

Contator do disjuntor

Fontes de alimentação de comutação

Equipamento de Comunicação Industrial

Comutadores industriais

Robôs industriais

Partes de robôs industriais

Instrumentos e medidores

Transmissão mecânica

Guias Lineares e Rolamentos

Engrenagem de parafuso a esferas

Original NSK Crossed Roller Bearing VNR/NRXT - High Load Capacity for Robots