P4 / P2 In Stock · New arrivals: 7020-C-T-P4S spindle bearings

B71904-C-T-P4s-Um <p> Rodamiento de Bolas de Contacto Angular de Súper Precisión para Husillos de Herramientas CNC
B71904-C-T-P4s-Um <p> Rodamiento de Bolas de Contacto Angular de Súper Precisión para Husillos de Herramientas CNC side angle
B71904-C-T-P4s-Um <p> Rodamiento de Bolas de Contacto Angular de Súper Precisión para Husillos de Herramientas CNC cross section
B71904-C-T-P4s-Um <p> Rodamiento de Bolas de Contacto Angular de Súper Precisión para Husillos de Herramientas CNC dimension drawing
B71904-C-T-P4s-Um <p> Rodamiento de Bolas de Contacto Angular de Súper Precisión para Husillos de Herramientas CNC
B71904-C-T-P4s-Um <p> Rodamiento de Bolas de Contacto Angular de Súper Precisión para Husillos de Herramientas CNC side angle
B71904-C-T-P4s-Um <p> Rodamiento de Bolas de Contacto Angular de Súper Precisión para Husillos de Herramientas CNC cross section
B71904-C-T-P4s-Um <p> Rodamiento de Bolas de Contacto Angular de Súper Precisión para Husillos de Herramientas CNC dimension drawing
FAG Genuine P4 Class
ISO 9001 · DIN 620
AUTHORIZED
Schaeffler
SHIPS IN
3-5 Days
RESPONSE
≤ 24H
FAG Genuine · Authorized Angular Contact Bearing P4 / P2

B71904-C-T-P4s-Um <p> Rodamiento de Bolas de Contacto Angular de Súper Precisión para Husillos de Herramientas CNC

Model B71904-C-T-P4s-Um ● IN STOCK

<p>Boost your CNC machine tool's spindle performance with the <strong>FAG B71904-C-T-P4s-Um super precision angular contact ball bearing</strong>, engineered to deliver exceptional running accuracy and stability for high-speed machining operations. As an official FAG distributor, we ensure 100% traceable original supply, eliminating the risks of counterfeit products and documentation gaps that can disrupt your production schedule.</p><ul><li>P4s precision grade with 15° contact angle optimizes axial load capacity and rigidity, critical for maintaining tight tolerances in precision cutting applications</li><li>Seamless integration with your existing setup, backed by our precision application engineering team for installation guidance and performance validation</li><li>Shockproof logistics packaging ensures the bearing arrives in factory-fresh condition, ready to minimize downtime and maximize your equipment's operational lifespan</li></ul>

Precision Class
P4/P2
Bore Ø (d)
17 mm
Outer Ø (D)
40 mm
Dyn / Stat Load
9.8 kN / 6.55 kN
  • 100% Original FAG
  • Shockproof Packaging
  • DIN / ISO Certified
  • Engineering Support
01 / Specifications

Complete Technical
Parameter Table

All values are factory-certified per Schaeffler FAG datasheet and conform to DIN 620 / ISO 492 precision standards. Custom tolerance packages and matched sets available on request.

Dimensions

Bore (d)17 mm
Outer Ø (D)40 mm
Width (B)12 mm
Contact Angle (α)15°
Weight0.065 kg

Performance

Dynamic Load (Cr)9.8 kN
Static Load (C0r)6.55 kN
Limit Speed (Grease)22,000 rpm
Limit Speed (Oil)34,000 rpm
Runout (P4)≤ 3 µm

Material & Construction

Ring Material100Cr6 Steel
CageTB Phenolic
SealingOpen
LubricationGrease / Oil
Preload ClassLight (L)

Standards & Certification

Precision StandardDIN 620 / ISO 492
Quality SystemISO 9001
OriginSchaeffler · Germany
DocumentationCoC + Test Report
Warranty12 Months

Product Description

Boost your CNC machine tool’s spindle performance with the FAG B71904-C-T-P4s-Um super precision angular contact ball bearing, engineered to deliver exceptional running accuracy and stability for high-speed machining operations. As an official FAG distributor, we ensure 100% traceable original supply, eliminating the risks of counterfeit products and documentation gaps that can disrupt your production schedule.

  • P4s precision grade with 15° contact angle optimizes axial load capacity and rigidity, critical for maintaining tight tolerances in precision cutting applications
  • Seamless integration with your existing setup, backed by our precision application engineering team for installation guidance and performance validation
  • Shockproof logistics packaging ensures the bearing arrives in factory-fresh condition, ready to minimize downtime and maximize your equipment’s operational lifespan

Description

Especificaciones del producto

Parámetro

Detalles

Modelo N.º

Rodamiento de husillo

Precisión

P4, P4s, P2 (ISO)

Ángulo de contacto (α)

15° (C), 25° (E)

Material

Acero

Paquete de Transporte

Palet de cartón

Marca registrada

Origen

Jiangsu China

Código HS

8482800000

FAG

Industrias de aplicación

Industria

Equipo típico

Herramientas de Máquina

centros de mecanizado CNC, tornos de precisión, rectificadoras

Automatización

Brazos robóticos, etapas lineales de precisión

Dispositivos Médicos

Equipos quirúrgicos, sistemas de imagenología diagnóstica

Aeroespacial

Equipo de fabricación de componentes de aeronaves

Detenga los retrasos en la producción con los rodamientos de husillo genuinos B71904-C-T-P4s

Los operadores de máquinas CNC conocen la frustración: las fallas inesperadas del husillo debido a rodamientos falsificados interrumpen los horarios de producción, mientras que los distribuidores de múltiples niveles luchan por entregar rodamientos de precisión P4 dentro de plazos críticos. Cuando su torno o centro de mecanizado está inactivo, cada hora de inactividad se traduce en pedidos perdidos y plazos incumplidos.

Rodamientos de Precisión

    Genuinos, En Stock para Entrega Inmediata

    Como distribuidor autorizado oficial de Schaeffler , eliminamos estos dolores de cabeza con acceso directo a los rodamientos de bolas de contacto angular originales

    B71904-C-T-P4s. Nuestro almacén en Shanghái mantiene un stock suficiente de grado P4/P2, asegurando que el husillo de su máquina herramienta CNC obtenga el rodamiento de precisión exacto que necesita sin tiempos de espera prolongados. Cada unidad viene con documentación completa de trazabilidad, eliminando obstáculos en el despacho aduanero y disputas de calidad.

    Diseñado para el Rendimiento de Husillos CNC de Alta Velocidad

    This super precision spindle bearing excels in the demanding environment of CNC machine tools, where 15° contact angle design delivers optimal axial load capacity at high rotational speeds. Whether machining hardened steel or aluminum alloys, the bearing’s P4s precision class ensures minimal runout, maintaining tight tolerances in critical milling and turning operations. Its robust steel construction withstands the thermal and mechanical stresses of continuous production cycles.

    Especificaciones técnicas que definen la fiabilidad

    The B71904-C-T-P4s combines critical features that directly impact spindle performance: precision class P4s ensures sub-micron level geometric accuracy, essential for achieving Ra 0.8 surface finishes in precision machining. The 15° contact angle balances radial and axial load capabilities, making it ideal for horizontal spindle applications. While specific load ratings and speed limits should be verified against FAG’s official catalog for your exact operating conditions, this bearing’s design follows DIN standards for consistent performance across temperature variations.

    Por qué los rodamientos genuinos reducen el costo total de propiedad

    Los rodamientos del mercado gris pueden ofrecer precios iniciales más bajos, pero a menudo carecen del tratamiento térmico adecuado de los materiales y de consistencia dimensional. Una sola falla de un rodamiento falso puede costar entre $5,000 y $15,000 en tiempo de inactividad no planificado para una herramienta de máquina CNC, sin contar el posible daño a los ejes del husillo o a las piezas de trabajo. Nuestras pruebas conforme a ISO 9001 aseguran que cada rodamiento cumpla con los estándares DIN para la calidad del material y la precisión dimensional, ofreciendo una vida útil predecible y reduciendo los costos de mantenimiento a lo largo del tiempo.

    Por qué los fabricantes globales confían en nuestro suministro de

    Our 15-year track record as an authorized FAG distributor serving 40+ countries speaks to our commitment to reliability. We provide: official original supply with full traceability from FAG’s production facilities; a dedicated precision application engineering team to assist with installation and failure analysis; shockproof logistics packaging that maintains bearing integrity during transportation; and customized OEM solutions for batch production requirements. Each order includes brand authorization certificates and precision test reports.

    Packaging & Shipping

      Original embalaje con seguimiento de número de serie y verificación de autenticidad

      Embalaje de palets de cartón reforzado para la protección en envíos internacionales

      Entrega de 3 a 7 días hábiles para artículos en stock a través de DHL, FedEx o UPS

      Seguimiento logístico en tiempo real proporcionado al envío

      Cantidades de pedido flexibles sin requisito de compra mínima

    Ponga Su Husillo CNC de Nuevo en Funcionamiento

    Don’t let bearing issues keep your CNC machine idle. Send us your bearing model number, spindle specifications, and required quantity today. Our team will confirm compatibility and provide a formal quotation within 24 hours, including all necessary certification documents for your quality assurance process.

    Preguntas frecuentes

    P: ¿Son estos rodamientos auténticos?

    A: Sí, somos un distribuidor autorizado oficial de Schaeffler . Cada rodamiento viene con documentación de trazabilidad completa y certificados de autorización de marca directamente de

    .

    Q: ¿Cómo confirmo que este rodamiento se ajusta a mi husillo CNC?

    A: Proporcione el modelo de su máquina, el fabricante del husillo o la designación del rodamiento existente. Nuestro equipo de ingeniería de aplicaciones de precisión verificará la compatibilidad según sus parámetros de operación.

    P: ¿Cuál es su política de garantía?

    A: We honor FAG’s original manufacturer warranty, covering manufacturing defects with unconditional replacement or refund.

    P: ¿Cuál es la cantidad mínima de pedido?

    A: Aceptamos pedidos para 1 unidad, apoyando tanto reparaciones de emergencia como necesidades de producción en pequeñas cantidades.

    P: ¿Qué tan rápido pueden enviar?

    A: Los rodamientos en stock se envían dentro de 3-7 días hábiles a través de su mensajería preferida (DHL, FedEx, UPS o transporte aéreo/marítimo).

    Q: ¿Cómo puedo verificar la autenticidad de los rodamientos?

    A: Each bearing includes FAG’s original packaging with holographic labels, laser-etched part numbers, and batch codes that can be verified through Schaeffler’s official channels. We provide full traceability documentation with every order.

    Ready to order or need a quote?
    Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

02 / Applications

Compatible with
High-End Manufacturing.

Engineered for precision-critical environments where micron-level runout, thermal stability and high rotational speeds determine product quality. Trusted across Germany, Italy, the US, Japan and South Korea.

CNC Machine Tools

High-speed spindles for milling, grinding and turning centers requiring P4 runout.

SPINDLE · OEM

Wind Power Gearboxes

Heavy-duty rotor and main shaft positions demanding long service life.

GEARBOX · MW

Medical Devices

Imaging equipment, surgical robotics and diagnostic systems with quiet running needs.

CLEAN · QUIET

Semiconductor & Aerospace

Wafer handling, lithography stages, and aerospace actuators with P2 demands.

P2 · ULTRA
03 / Engineering

Technical Deep Dive.
Precision Without Compromise.

Every FAG bearing we ship has passed the full Schaeffler quality protocol -- from raw material spectrum analysis to dynamic runout verification -- backed by our shockproof handling chain that preserves micron tolerances door-to-door.

/ 01 STANDARD

DIN 620 Compliance

Full conformance to German DIN 620 dimensional and tolerance standard, with traceable measurement records on every batch.

  • ISO 492 cross-mapped
  • Bore tolerance ±0.004 mm
  • CoC included per shipment
/ 02 PRECISION

P4 / P2 Class Verification

Each bearing undergoes runout testing on calibrated rigs. P4: ≤3 µm radial runout. P2: ≤1.5 µm -- ready for ultra-precision spindles.

  • Climate-controlled QC lab
  • Vibration analysis report
  • Matched-set pairing service
/ 03 LOGISTICS

Shockproof Handling

Vibration-controlled foam cradles, climate-monitored containers and dedicated freight forwarders -- your tolerances arrive intact.

  • Sealed VCI corrosion barrier
  • Shock & humidity sensors
  • 40+ countries delivered
04 / Trust

Genuine Traceability.
Warranty Commitment.

Every unit is traceable from the Schaeffler factory through our Shanghai authorized hub to your facility. Counterfeit-free guarantee backed by a 12-month performance warranty.

Verify Authenticity

Schaeffler Authorized Channel

Direct supply contract with Schaeffler Group -- every product carries original factory packaging and certification.

Full Documentation Package

Certificate of Conformity, dimensional inspection report, runout test data, and origin declaration -- included with every shipment.

12-Month Performance Warranty

Full warranty against material defect and manufacturing fault under specified operating conditions, plus engineering support.

Shockproof Precision Logistics

Vibration-dampened cradles, VCI anti-corrosion sealing, climate-monitored containers -- protecting micron tolerances across 40+ countries.

PACKAGING

Shockproof Precision Pack

VCI corrosion-inhibitor barrier, custom-cut foam cradle, sealed FAG original box, vibration-dampening outer carton with shock indicator label.

SHIPPING

Climate-Controlled Freight

DHL / FedEx / UPS express, sea/air consolidation, EXW · FOB · CIF · DDP terms. Climate and humidity sensors monitor critical batches end-to-end.

LEAD TIME

Stock Items: 3-5 Days

In-stock P4/P2 grades dispatched within 3 business days. Custom matched sets and special tolerances: 2-4 weeks. Express priority available.

06 / FAQ

Frequently Asked.

Common technical and procurement questions. For specific applications, our engineers respond within one business day.

How do I confirm this FAG bearing is 100% genuine?

Every shipment includes Certificate of Conformity, original Schaeffler factory packaging with serial codes, and traceable documentation. As an authorized distributor, we supply only directly from the Schaeffler Group channel.

What is the difference between P4 and P2 precision class?

P4 grade: bore tolerance ±0.004 mm, runout ≤3 µm -- suitable for high-end CNC spindles. P2 grade: ±0.0025 mm bore, runout ≤1.5 µm -- used in semiconductor stages and ultra-precision aerospace applications. Both conform to DIN 620 / ISO 492.

How are bearings packed for international shipping?

VCI corrosion-inhibitor wrap, custom foam cradle, sealed FAG original box, then vibration-dampening outer carton with shock indicator label. Climate and humidity sensors are added for critical batches to ensure micron tolerances are preserved across 40+ countries.

Do you offer matched sets and custom tolerance packages?

Yes. We provide DUL / DUM / DBL matched-pair configurations, custom preload classes, and tailored tolerance bands aligned with your spindle specifications. Lead time for special configurations is typically 2-4 weeks.

What is the typical lead time and minimum order quantity?

In-stock P4/P2 items: 3-5 business days dispatch. No fixed MOQ for stock items -- single-piece orders welcome. Custom matched sets and special configurations: 2-4 weeks. Express priority shipping available globally.

Do you provide installation guidance and engineering support?

Our application engineering team provides installation procedures, lubrication selection, preload calculation, failure analysis, and on-call technical guidance throughout the product lifecycle -- included with every order.
07 / Inquire

Request a quote for
B71904-C-T-P4s-Um

Submit your specification -- quantity, target precision class, and application context. Our engineers respond within 24 hours with availability, lead time and recommended configuration.

Room 328, Building 1, No. 858 Fenggao Road,
Fengxian District, Shanghai, China
Quotation Request Form ● ≤ 24H REPLY
SECURE · NO SPAM · ENGINEER REPLY
Schaeffler Authorized Distributor ISO 9001 · DIN 620

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