HS71903-C-T-P4s-UL Angular Contact Ball Bearing for CNC Spindle Motor with P4 Precision
FAG Bearings

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

FAG Bearings Famous Brand Bearing FAG Bearings

HS71903-C-T-P4s-UL Angular Contact Ball Bearing for CNC Spindle Motor with P4 Precision

Ensure your CNC spindle motor runs with unrivaled precision and stability using the HS71903-C-T-P4s-UL Angular Contact Ball Bearing. Engineered to deliver P4 precision (ISO standard) and a 15° contact angle, this steel bearing minimizes vibration and heat buildup during high-speed operations, extending your machinery’s service life while maintaining consistent performance.

  • 15° contact angle design optimizes axial load capacity for heavy-duty CNC applications, reducing premature wear in critical spindle components
  • Manufactured with high-grade steel and strict quality control (ISO 9001:2015 certified), ensuring reliability even in continuous operation environments
  • Seamless integration with standard CNC spindle setups, backed by Saifan’s 12-month warranty and technical support for hassle-free maintenance

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

Tipo

Rodamiento de Bolas de Contacto Angular

Material

Código HS

HS71903-C-T-P4s-UL
Precision P4, P4s (ISO)
Contact Angle (α) 15° (C)
Steel
8482800000

Industrias de Aplicación

Industria

Equipo Típico

Fabricación

CNC Machine Tools, Spindle Motors

HS71903-C-T-P4s-UL Angular Contact Ball Bearing: Eliminate CNC Spindle Downtime with Precision Engineered Solutions

CNC operators know the frustration of unexpected spindle failures—hours of production lost, missed deadlines, and costly repairs that could have been prevented. When precision matters most, settling for substandard bearings means compromising on both performance and profitability. High-speed CNC spindles demand bearings that can maintain P4 precision under constant rotation, yet many suppliers either lack the technical expertise to match the right bearing to your machine or impose minimum order quantities that make small-batch repairs impractical.

Precision-Engineered Angular Contact Ball Bearings for Critical CNC Operations

The HS71903-C-T-P4s-UL Angular Contact Ball Bearing is designed to address these challenges head-on. As a professional bearing manufacturer with decades of experience serving industrial buyers worldwide, we understand the critical role spindle bearings play in CNC machinery. Our P4 precision grade bearings meet strict ISO standards, ensuring minimal runout and consistent performance even at high speeds. With a 15° contact angle optimized for axial load handling, this bearing delivers the stability needed for precision machining applications, from mold making to aerospace component production.

Dónde Este Rodamiento Funciona

This Angular Contact Ball Bearing excels in CNC spindle motors operating under high rotational speeds and moderate axial loads. Its steel construction and precision manufacturing make it ideal for continuous-duty applications where temperature control and vibration dampening are essential. Whether used in vertical machining centers, horizontal lathes, or multi-axis mills, the HS71903-C-T-P4s-UL ensures reliable rotation, reducing the risk of premature wear and extending spindle service life.

Detalles técnicos que definen el rendimiento

At the core of this bearing’s performance is its P4 precision rating, which guarantees tight tolerances for inner and outer ring dimensions, radial runout, and axial clearance. This level of precision directly translates to improved surface finish quality on machined parts and reduced tool wear. The 15° contact angle balances radial and axial load capabilities, making it suitable for spindles where both forces act simultaneously. Additionally, the bearing’s steel material composition provides excellent rigidity and heat resistance, ensuring stable operation even during extended machining cycles. Our in-house laboratory conducts rigorous noise and vibration testing, certifying that each bearing meets Z2-Z4 noise grade standards for quiet operation—critical for maintaining a comfortable workshop environment.

El verdadero costo de comprometer la calidad de los rodamientos

Choosing non-precision bearings for CNC spindles often leads to hidden costs: increased tooling expenses due to poor part accuracy, unplanned downtime for repairs, and even secondary damage to spindle housings or motor components. Genuine P4 Precision Angular Contact Ball Bearings, by contrast, offer a lower total cost of ownership through extended service intervals and consistent performance. Our bearings meet ISO, ABMA, and DIN international standards, ensuring compatibility with leading CNC brands and reducing the risk of premature failure. When every minute of production counts, investing in quality bearings isn’t an expense—it’s a safeguard against lost revenue.

Why Buyers Trust Saifan Bearings

With over 18 years of manufacturing and export experience, Saifan Bearings has built a reputation for reliability in global markets. Our ISO 9001:2015 certified quality management system ensures strict incoming material inspection and full-process production supervision, from raw material selection to finished product testing. We offer flexible order policies, including 1 piece MOQ for standard bearings, making emergency repairs or small-batch purchases feasible. Our technical team provides free guidance on bearing selection and installation, helping you avoid costly选型 mistakes. For distributors and wholesalers, we offer free samples (freight borne by the customer) to verify performance before placing bulk orders. With production capacity exceeding 1,000,000 units annually and efficient delivery times (3-5 working days for samples), we ensure your operations stay running without unnecessary delays.

Packaging & Shipping

    Embalaje en palets de cartón para un transporte seguro

    3-5 días hábiles de entrega para pedidos de muestra

    5-15 días hábiles de entrega para pedidos al por mayor

    Múltiples opciones de logística, incluyendo exprés, aérea y transporte marítimo

  • 1 piece MOQ for standard bearings, supporting emergency repair needs

Get Your HS71903-C-T-P4s-UL Bearing Today

Don’t let spindle downtime disrupt your production schedule. Whether you need a single replacement bearing or a bulk order for your maintenance inventory, we’re ready to fulfill your request. Send us your bearing designation, application details, and quantity, and our team will provide a prompt quote—ensuring you get the right part when you need it most.

Preguntas Frecuentes

Q: Is the HS71903-C-T-P4s-UL a genuine precision bearing?

A: Yes, all our bearings are manufactured in-house under strict ISO 9001:2015 quality control standards. Each unit undergoes dimensional detection and performance testing to ensure P4 precision grade compliance.

Q: How do I confirm if this bearing fits my CNC spindle?

A: Provide your spindle model or technical specifications (bore diameter, outer diameter, width, load requirements), and our engineering team will verify compatibility free of charge.

P: ¿Cuál es el período de garantía para este rodamiento?

A: Ofrecemos una garantía de 12 meses a partir de la fecha de entrega, que cubre defectos de fabricación. Los productos defectuosos calificados pueden ser reemplazados o reembolsados.

P: ¿Cuál es la cantidad mínima de pedido?

A: Standard bearings like the HS71903-C-T-P4s-UL have a 1 piece MOQ, supporting both emergency repairs and small-batch purchases.

P: ¿Cuánto tiempo tarda el envío?

A: Sample orders ship within 3-5 working days, while bulk orders typically take 5-15 working days depending on quantity. We work with major logistics providers for global delivery.

Q: ¿Cómo puedo asegurarme de que el rodamiento no es falso?

A: Our bearings are packaged with clear product labels and traceable batch numbers. We provide full certification documentation upon request, and our quality control process is audited under ISO standards.

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

Tags: 15° contact angle bearing Angular Contact Ball Bearing Angular contact ball bearing for CNC spindle motor CNC Spindle Bearing HS71903-C-T-P4s-UL P4 Precision Angular Contact Ball Bearing P4 precision bearing Steel Angular Contact Bearing
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