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

Rodamiento de bolas de contacto angular cerámico de alta velocidad B71938-E-T-P4s-UL para motor de husillo CNC
Rodamiento de bolas de contacto angular cerámico de alta velocidad B71938-E-T-P4s-UL para motor de husillo CNC side angle
Rodamiento de bolas de contacto angular cerámico de alta velocidad B71938-E-T-P4s-UL para motor de husillo CNC cross section
Rodamiento de bolas de contacto angular cerámico de alta velocidad B71938-E-T-P4s-UL para motor de husillo CNC dimension drawing
Rodamiento de bolas de contacto angular cerámico de alta velocidad B71938-E-T-P4s-UL para motor de husillo CNC
Rodamiento de bolas de contacto angular cerámico de alta velocidad B71938-E-T-P4s-UL para motor de husillo CNC side angle
Rodamiento de bolas de contacto angular cerámico de alta velocidad B71938-E-T-P4s-UL para motor de husillo CNC cross section
Rodamiento de bolas de contacto angular cerámico de alta velocidad B71938-E-T-P4s-UL para motor de husillo CNC dimension drawing
FAG Genuine P4 Class
ISO 9001 · DIN 620
AUTHORIZED
Schaeffler
SHIPS IN
3-5 Days
RESPONSE
≤ 24H
FAG Genuine · Authorized Ceramic Bearing P4 / P2

Rodamiento de bolas de contacto angular cerámico de alta velocidad B71938-E-T-P4s-UL para motor de husillo CNC

Model B71938-E-T-P4s-UL ● IN STOCK

<p>Boost CNC spindle motor performance with the <strong>High Speed Ceramic Angular Contact Ball Bearing B71938-E-T-P4s-UL</strong>, engineered to deliver exceptional rotational accuracy and heat resistance for precision machining operations. This FAG spindle bearing combines a 15° contact angle with P4s precision grade to minimize vibration at high speeds, ensuring consistent workpiece quality even during extended production runs.</p><ul><li>Hybrid ceramic-steel construction reduces centrifugal force and extends service life in demanding applications</li><li>UL certification guarantees compliance with strict industrial standards, streamlining your supply chain documentation</li><li>Direct OEM supply from authorized Schaeffler distributor ensures full traceability and eliminates counterfeit risks</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 CNC spindle motor performance with the High Speed Ceramic Angular Contact Ball Bearing B71938-E-T-P4s-UL, engineered to deliver exceptional rotational accuracy and heat resistance for precision machining operations. This FAG spindle bearing combines a 15° contact angle with P4s precision grade to minimize vibration at high speeds, ensuring consistent workpiece quality even during extended production runs.

  • Hybrid ceramic-steel construction reduces centrifugal force and extends service life in demanding applications
  • UL certification guarantees compliance with strict industrial standards, streamlining your supply chain documentation
  • Direct OEM supply from authorized Schaeffler distributor ensures full traceability and eliminates counterfeit risks

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

Fabricación

Herramientas de Máquina CNC, Motores de Husillo

Aeroespacial

Equipo de Maquinado de Precisión

Dispositivos Médicos

Máquinas de Diagnóstico de Alta Velocidad

Automatización

Brazos Robóticos Industriales, Transportadores de Precisión

Elimine el tiempo de inactividad del husillo CNC con el rodamiento de bolas de contacto angular cerámico B71938-E-T-P4s-UL

Los operadores de máquinas CNC conocen la frustración de las fallas inesperadas del husillo: cuando un rodamiento falla prematuramente, la producción se detiene, los plazos se retrasan y los costos de reparación aumentan. Los rodamientos del mercado gris a menudo carecen de la trazabilidad adecuada, lo que lleva a retrasos en el despacho aduanero y disputas de calidad. Los canales de distribución de múltiples niveles extienden los tiempos de entrega en un 30-50%, lo que hace imposible alinearse con los ajustados horarios de producción.

Rodamientos de husillo genuinos , en stock y rastreables

As an official authorized Schaeffler FAG distributor, we provide the High Speed Ceramic Angular Contact Ball Bearing B71938-E-T-P4s-UL directly from the brand’s supply chain. Our ISO 9001 & DIN compliant precision testing system ensures each bearing meets P4/P2 grade standards, critical for CNC spindle motor performance. With sufficient stock of precision grades, we eliminate the delays of traditional distribution, getting your production back on track faster.

Diseñado para aplicaciones de husillo CNC de alta velocidad

Este rodamiento híbrido de cerámica y acero destaca en entornos de rotación a alta velocidad como los motores de husillo CNC, donde las velocidades de operación exigen una estabilidad excepcional y resistencia al calor. El ángulo de contacto de 15° (E) optimiza la distribución de carga bajo fuerzas radiales y axiales, mientras que el diseño de bola de cerámica reduce la fricción y la inercia, factores clave para mantener la precisión a RPM máximas. Ya sea en el mecanizado de componentes aeroespaciales o dispositivos médicos, este rodamiento ofrece la precisión de funcionamiento constante requerida para tolerancias ajustadas.

Características técnicas que impulsan el rendimiento

The P4 precision class ensures minimal radial runout and axial clearance, critical for maintaining spindle concentricity and surface finish quality. The hybrid ceramic construction combines steel rings with ceramic balls to reduce thermal expansion, allowing stable operation across a wide temperature range. The “T” suffix indicates a phenolic resin cage, which enhances lubricant retention and reduces vibration at high speeds. These features collectively extend bearing service life by up to 40% compared to standard bearings in similar applications.

Por qué la autenticidad importa para su resultado final

Los rodamientos falsificados pueden costar menos al principio, pero a menudo fallan dentro del 30–50% de la vida útil esperada de los productos genuinos . Un solo fallo del husillo puede resultar en costos de inactividad de $10,000–$50,000, sin contar el posible daño a las herramientas o piezas de trabajo. Nuestros rodamientos vienen con documentación de trazabilidad completa, incluyendo códigos de lote y certificados de cumplimiento, asegurando que evite problemas aduaneros y disputas de responsabilidad de calidad. Invertir en rodamientos de precisión P4 auténticos reduce el costo total de propiedad al minimizar el mantenimiento no planificado y las interrupciones en la producción.

Por qué los fabricantes globales confían en nuestro suministro

With over a decade serving high-end manufacturing across 40+ countries, we’ve built our reputation on four pillars: official original supply directly from Schaeffler FAG, eliminating middlemen and counterfeit risks; a dedicated precision application engineering team that provides model selection and installation guidance based on your specific working conditions; shockproof precision logistics that ensure bearings arrive in factory-fresh condition; and customized OEM solutions tailored to your production schedules. Our clients include leading CNC machine tool OEMs and aerospace manufacturers who demand consistent quality and reliability.

Packaging & Shipping

    Original

      embalaje con etiquetas de trazabilidad por lote y refuerzo de palet de cartón exterior

      Artículos en stock enviados en un plazo de 3 a 7 días hábiles desde nuestro almacén en Shanghái

      Entrega global a través de DHL, FedEx, UPS, o flete aéreo/marítimo según sea necesario

      Seguimiento en tiempo real proporcionado para todos los envíos

      Cantidad mínima de pedido de 1 pieza, apoyando tanto reparaciones de emergencia como pruebas de pequeños lotes

    Haga que su husillo CNC funcione a un rendimiento óptimo

    Cada hora de inactividad del husillo erosiona su margen de beneficio. Ya sea que necesite un solo rodamiento de reemplazo o un acuerdo de suministro a largo plazo, estamos listos para apoyar sus necesidades de producción. Envíenos su designación de rodamiento, parámetros de operación (velocidad, carga, temperatura) y cantidad; nuestro equipo confirmará la compatibilidad y entregará una cotización en un plazo de 24 horas.

    Preguntas frecuentes

    P: ¿Son estos rodamientos auténticos?

    A: Sí, somos un distribuidor autorizado oficial de Schaeffler . Cada rodamiento viene con documentación de autorización de la marca y total trazabilidad al lote de fabricación original.

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

    A: Proporcione el modelo de su husillo, la velocidad de operación y las condiciones de carga. Nuestro equipo de ingeniería de aplicaciones de precisión verificará la compatibilidad y proporcionará orientación técnica sin costo alguno.

    P: ¿Cuál es la política de garantía?

    A: All bearings are covered by FAG’s original manufacturer warranty, which includes replacement for manufacturing defects. We handle the entire warranty claim process on your behalf.

    P: ¿Cuál es la cantidad mínima de pedido?

    A: Aceptamos pedidos por 1 pieza, lo que nos hace ideales para reparaciones de emergencia. Para la producción OEM, ofrecemos precios con descuento en pedidos al por mayor con reserva de inventario dedicada.

    https://oemfag.com/wp-content/uploads/2026/06/comparison-of-standard-vs-specialized-bearing-performance-un-1.jpgP: ¿Cuánto tiempo tarda el envío a Europa o América del Norte?https://oemfag.com/wp-content/uploads/2026/06/microscopic-images-showing-cage-fracture-and-raceway-spallin-2.jpg

    A: El transporte aéreo estándar tarda de 5 a 7 días en llegar a las principales ciudades de Europa y América del Norte. Las opciones exprés (DHL/UPS/FedEx) entregan en 3 a 4 días para necesidades urgentes.

    P: ¿Cómo puedo verificar la autenticidad del rodamiento al recibirlo?

    A: Each bearing has laser-etched FAG markings and a unique serial number. We provide packaging with security holograms, and you can cross-verify details using Schaeffler’s official product authentication system with the documentation we supply.

    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
B71938-E-T-P4s-UL

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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