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

HS71904-E-T-P4s-UL FAG Super Precision Bearing for Servo Motor Spindle with ISO P4 Accuracy
HS71904-E-T-P4s-UL FAG Super Precision Bearing for Servo Motor Spindle with ISO P4 Accuracy side angle
HS71904-E-T-P4s-UL FAG Super Precision Bearing for Servo Motor Spindle with ISO P4 Accuracy cross section
HS71904-E-T-P4s-UL FAG Super Precision Bearing for Servo Motor Spindle with ISO P4 Accuracy dimension drawing
HS71904-E-T-P4s-UL FAG Super Precision Bearing for Servo Motor Spindle with ISO P4 Accuracy
HS71904-E-T-P4s-UL FAG Super Precision Bearing for Servo Motor Spindle with ISO P4 Accuracy side angle
HS71904-E-T-P4s-UL FAG Super Precision Bearing for Servo Motor Spindle with ISO P4 Accuracy cross section
HS71904-E-T-P4s-UL FAG Super Precision Bearing for Servo Motor Spindle with ISO P4 Accuracy 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

HS71904-E-T-P4s-UL FAG Super Precision Bearing for Servo Motor Spindle with ISO P4 Accuracy

Model 71904-E-T-P4s-UL ● IN STOCK

<p>Ensure your servo motor spindle operates with unmatched precision and reliability using the <strong>FAG super precision bearing</strong> HS71904-E-T-P4s-UL. Engineered to ISO P4 accuracy standards, this 15° contact angle spindle bearing minimizes vibration and maximizes rotational stability, directly addressing the critical need for consistent performance in high-speed applications.</p><ul><li>Precision grade P4s ensures tight tolerance control for seamless integration with servo motor spindles</li><li>UL designation indicates optimized internal geometry for reduced friction and extended service life</li><li>Direct from authorized FAG distributor, guaranteeing full traceability and batch consistency to streamline your production workflow</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

Ensure your servo motor spindle operates with unmatched precision and reliability using the FAG super precision bearing HS71904-E-T-P4s-UL. Engineered to ISO P4 accuracy standards, this 15° contact angle spindle bearing minimizes vibration and maximizes rotational stability, directly addressing the critical need for consistent performance in high-speed applications.

  • Precision grade P4s ensures tight tolerance control for seamless integration with servo motor spindles
  • UL designation indicates optimized internal geometry for reduced friction and extended service life
  • Direct from authorized FAG distributor, guaranteeing full traceability and batch consistency to streamline your production workflow

Description

Product Specifications

Parameter Details
Model NO. FAG Spindle Bearing
Precision P4, P4s, P2 (ISO)
Contact Angle (α) 15° (C), 25° (E)
Material Steel
Transport Package Carton Pallet
Trademark FAG
HS Code 8482800000

Application Industries

Industry Typical Equipment
Machine Tools CNC machining centers, precision lathes, grinding machines
Automation Servo motor spindles, robotic arms, precision positioning systems
Medical Devices Diagnostic equipment, surgical instruments, imaging systems
Aerospace Avionics components, precision actuators, guidance systems

Prevent Costly Downtime with HS71904-E-T-P4s-UL FAG Super Precision Bearing

OEM manufacturers know the frustration of spindle bearing failures—unplanned downtime halts production lines, while counterfeit bearings with fake traceability documents risk customs delays and quality disputes. Multi-tier distribution channels stretch lead times by 30–50%, making it nearly impossible to align with tight production schedules.

Genuine FAG Precision Bearings with Immediate Stock Availability

As an official authorized Schaeffler FAG distributor, we eliminate these pain points for servo motor spindle applications. Our HS71904-E-T-P4s-UL FAG super precision bearing delivers ISO P4 accuracy with a 15° contact angle, critical for high-speed rotation and radial load handling in precision machinery. With dedicated inventory for P4/P2 grade bearings, we ensure consistent batch quality and rapid fulfillment.

Engineered for High-Speed Servo Motor Spindles

This FAG UL bearing excels in servo motor spindles where running accuracy directly impacts machining precision. Operating under high rotational speeds, it maintains stable performance with minimal vibration, thanks to its optimized internal design and tight tolerance control. The 15° contact angle balances axial and radial load capacities, making it ideal for applications requiring both speed and precision, such as CNC machine tool spindles and automated positioning systems.

Technical Advantages That Drive Performance

ISO P4 precision class ensures minimal radial runout and axial clearance, critical for maintaining spindle accuracy in high-precision machining. The “UL” designation indicates enhanced lubrication retention, reducing maintenance requirements and extending service life in continuous operation. With steel construction and precision testing compliant with DIN standards, this bearing withstands the thermal and mechanical stresses of servo motor applications, delivering reliable performance even under varying load conditions.

Total Cost of Ownership: Why Authenticity Matters

Counterfeit spindle bearings may offer lower upfront costs, but they often fail prematurely—costing far more in production downtime, repair expenses, and potential damage to expensive machinery. Our genuine FAG P4s precision bearings come with complete traceability documentation, ensuring compliance with export requirements and eliminating customs clearance issues. By investing in authentic components, manufacturers reduce the risk of unplanned shutdowns and lower long-term maintenance costs.

Why Global Manufacturers Choose Our FAG Bearings

With 40+ countries served and a focus on high-end OEM supply, we bring unmatched expertise to precision bearing solutions. Our ISO 9001 compliant testing system verifies every bearing before shipment, while our dedicated application engineering team provides technical support from选型 to installation. As a vertical distributor with direct brand access, we cut lead times by eliminating unnecessary intermediaries, offering stock availability that traditional channels can’t match. Our shockproof precision logistics ensure bearings arrive in perfect condition, ready for immediate installation.

Packaging & Shipping

  • Original FAG packaging with brand authentication labels and batch traceability documentation
  • Stock items shipped within 3–7 business days from our Shanghai warehouse
  • Global delivery via DHL, FedEx, UPS, or air/sea freight based on urgency and volume
  • Real-time tracking provided for all shipments
  • Minimum order quantity of 1 piece, supporting both emergency repairs and small-batch production

Secure Your Spindle Performance Today

Don’t let bearing issues disrupt your production schedule. Send us your HS71904-E-T-P4s-UL bearing requirements, including quantity and application details, and receive a formal quotation with traceability certificates within 24 hours. Our sample testing support ensures compatibility before full-scale orders, giving you confidence in every purchase.

Frequently Asked Questions

Q: Are these genuine FAG bearings?

A: Yes, we are an official authorized Schaeffler FAG distributor. Every bearing comes with complete traceability documentation and brand authorization certificates.

Q: How do I confirm this bearing fits my servo motor spindle?

A: Provide your equipment model or spindle working condition parameters (speed, load, temperature), and our application engineering team will verify compatibility at no cost.

Q: What is your warranty policy?

A: We adhere to FAG’s official warranty standards, covering manufacturing defects with unconditional replacement or refund.

Q: What is the minimum order quantity?

A: We accept orders starting from 1 piece, supporting both emergency maintenance and small-batch production needs.

Q: How long does shipping take?

A: In-stock bearings ship within 3–7 business days. We offer DHL, FedEx, UPS, air, and sea freight options to match your delivery timeline.

Q: How can I verify the bearing’s authenticity?

A: Each bearing includes FAG’s original packaging with security labels, laser-etched part numbers, and batch codes. We provide full traceability documents for cross-verification on Schaeffler’s official platforms.

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
71904-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

© DUNYU BEARINGS · SHANGHAI · AUTHORIZED SCHAEFFLER FAG DISTRIBUTOR