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

Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing for CNC Machine Tools
Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing for CNC Machine Tools side angle
Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing for CNC Machine Tools cross section
Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing for CNC Machine Tools dimension drawing
Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing for CNC Machine Tools
Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing for CNC Machine Tools side angle
Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing for CNC Machine Tools cross section
Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing for CNC Machine Tools 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

Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing for CNC Machine Tools

Model B71940-E-T-P4s-Um ● IN STOCK

<p>Boost your CNC machine tool's performance with the <strong>Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing</strong>, designed to deliver exceptional running accuracy and stability for precision manufacturing. As an official FAG distributor, we ensure every bearing comes with complete traceability documentation, eliminating compliance hurdles in global supply chains.</p><ul><li>P4s precision grade with 15° contact angle optimizes axial load capacity at ultra-high speeds, reducing vibration and extending spindle service life</li><li>ISO 9001/DIN compliant testing guarantees batch consistency, critical for maintaining tight production schedules</li><li>Direct OEM supply from authorized stock ensures shorter lead times compared to traditional multi-tier distribution</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 performance with the Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing, designed to deliver exceptional running accuracy and stability for precision manufacturing. As an official FAG distributor, we ensure every bearing comes with complete traceability documentation, eliminating compliance hurdles in global supply chains.

  • P4s precision grade with 15° contact angle optimizes axial load capacity at ultra-high speeds, reducing vibration and extending spindle service life
  • ISO 9001/DIN compliant testing guarantees batch consistency, critical for maintaining tight production schedules
  • Direct OEM supply from authorized stock ensures shorter lead times compared to traditional multi-tier distribution

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
Origin Jiangsu China
HS Code 8482800000

Application Industries

Industry Typical Equipment
Manufacturing CNC Machine Tools, Precision Spindles
Aerospace Aircraft Engine Components, Precision Machining Equipment
Medical Devices Surgical Instrument Manufacturing Machinery
Automation High-Speed Robotic Arms, Automated Production Lines

Eliminate CNC Downtime Risks with Ultra High Speed FAG B71940-E-T-P4s-Um Spindle Bearing

CNC machine tool operators know the frustration: unexpected spindle bearing failure halts production, costing thousands in downtime and repair. Gray market bearings often lack proper traceability, leading to 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 Sufficient P4/P2 Grade Stock

As an official authorized Schaeffler FAG distributor, we provide the FAG B71940-E-T-P4s-Um spindle bearing directly from the brand’s supply chain. Our specialized precision testing system, compliant with ISO 9001 & DIN standards, ensures every bearing meets exacting performance requirements. With dedicated inventory for high-precision grades, we eliminate the delays of traditional distribution networks, getting your CNC spindle back to work faster.

Engineered for Ultra High Speed CNC Spindle Applications

This FAG B71940 spindle bearing is designed for the most demanding CNC machine tool spindles, where ultra high rotational speeds meet the need for exceptional running accuracy. With a 15° contact angle, it delivers optimal load distribution in high-speed operations, ensuring stable performance even under varying cutting forces. Whether machining aerospace components or medical devices, this bearing maintains precision where it matters most.

Technical Excellence Defining Spindle Performance

The P4s precision grade of this bearing ensures minimal radial and axial runout, critical for maintaining tight tolerances in CNC machining. Its steel construction provides the durability needed for continuous operation, while the optimized contact angle balances axial and radial load capacities. The “T” designation indicates a phenolic cage, which reduces friction and heat generation at high speeds compared to traditional metal cages. Together, these features translate to longer spindle life, reduced maintenance, and consistent part quality.

Total Cost of Ownership: Why Genuine FAG Bearings Matter

Choosing non-genuine spindle bearings may seem cost-effective initially, but the hidden costs add up quickly. Counterfeit bearings often fail prematurely, leading to unplanned downtime, damaged spindle components, and scrapped parts. Our FAG B71940-E-T-P4s-Um bearing comes with full precision certification and traceability documentation, ensuring compliance with export requirements and avoiding customs clearance issues. The consistent quality of genuine FAG bearings reduces replacement frequency and extends maintenance intervals, lowering your total cost of ownership over time.

Our Commitment to Your Production Reliability

With over a decade serving high-end manufacturing across 40+ countries, we’ve built our reputation on four pillars of trust. First, official authorization guarantees every FAG bearing is sourced directly from Schaeffler, with complete traceability from factory to your facility. Second, our precision application engineering team provides expert guidance on installation and maintenance, helping you maximize bearing lifespan. Third, shockproof precision logistics ensures bearings arrive in factory-fresh condition, ready for immediate use. Finally, our customized OEM solutions support both small-batch trials and long-term production needs, with dedicated account managers tracking every order from quotation to delivery.

Packaging & Shipping

  • Original FAG packaging with protective inner cartons and outer pallet reinforcement
  • 现货 available for dispatch within 3-7 working days
  • Global delivery via DHL, FedEx, UPS, air freight, or sea freight as required
  • Real-time tracking number provided upon shipment
  • Minimum order quantity of 1 piece, supporting emergency repairs and small-batch requirements

Get Your CNC Spindle Running at Peak Performance

Don’t let bearing issues disrupt your production schedule. The FAG B71940-E-T-P4s-Um spindle bearing delivers the speed, precision, and reliability your CNC machine tools demand. Send us your order details today to secure genuine FAG quality with fast delivery.

Frequently Asked Questions

Q: Are these genuine FAG bearings?

A: Yes, we are an official authorized Schaeffler FAG distributor. Every bearing comes with brand authorization and traceability certificates, ensuring direct sourcing from the original supply chain.

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

A: Provide your spindle model or operating parameters (speed, load, temperature), and our precision application engineering team will verify compatibility and provide expert selection guidance at no cost.

Q: What is the warranty policy?

A: All FAG bearings come with the manufacturer’s warranty, covering manufacturing defects. We provide full support for warranty claims and product replacement if needed.

Q: What is the minimum order quantity?

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

Q: How quickly can you ship this bearing?

A: This P4s grade bearing is in our dedicated stock, available for shipment within 3-7 working days. We offer multiple logistics options to meet your delivery timeline.

Q: How do I verify the authenticity of the bearing?

A: Each bearing includes FAG’s original packaging with security features, laser-etched part numbers, and traceability documentation. We can also provide official authorization letters upon request to confirm authenticity.

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
B71940-E-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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