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

High Speed FAG B71901-E-T-P4s-UL Angular Contact Ball Bearing for CNC Spindle
High Speed FAG B71901-E-T-P4s-UL Angular Contact Ball Bearing for CNC Spindle side angle
High Speed FAG B71901-E-T-P4s-UL Angular Contact Ball Bearing for CNC Spindle cross section
High Speed FAG B71901-E-T-P4s-UL Angular Contact Ball Bearing for CNC Spindle dimension drawing
High Speed FAG B71901-E-T-P4s-UL Angular Contact Ball Bearing for CNC Spindle
High Speed FAG B71901-E-T-P4s-UL Angular Contact Ball Bearing for CNC Spindle side angle
High Speed FAG B71901-E-T-P4s-UL Angular Contact Ball Bearing for CNC Spindle cross section
High Speed FAG B71901-E-T-P4s-UL Angular Contact Ball Bearing for CNC Spindle 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

High Speed FAG B71901-E-T-P4s-UL Angular Contact Ball Bearing for CNC Spindle

Model B71901-E-T-P4s-UL ● IN STOCK

<p>Ensure your CNC spindle runs at peak efficiency with the <strong>FAG B71901-E-T-P4s-UL angular contact ball bearing</strong>, engineered to deliver exceptional high-speed performance and precision. This P4s precision bearing maintains stable rotation even under heavy loads, minimizing vibration and extending tool life—critical for maintaining tight tolerances in demanding machining operations.</p> <ul> <li>25° contact angle design optimizes axial load capacity, ideal for high-speed spindle applications where rigidity and accuracy are non-negotiable</li> <li>Direct OEM supply guarantees full traceability and batch consistency, eliminating concerns about documentation gaps during production or export</li> <li>Precision testing compliant with ISO 9001 & DIN standards ensures every unit meets strict performance criteria, backed by Schaeffler's official authorization</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 CNC spindle runs at peak efficiency with the FAG B71901-E-T-P4s-UL angular contact ball bearing, engineered to deliver exceptional high-speed performance and precision. This P4s precision bearing maintains stable rotation even under heavy loads, minimizing vibration and extending tool life—critical for maintaining tight tolerances in demanding machining operations.

  • 25° contact angle design optimizes axial load capacity, ideal for high-speed spindle applications where rigidity and accuracy are non-negotiable
  • Direct OEM supply guarantees full traceability and batch consistency, eliminating concerns about documentation gaps during production or export
  • Precision testing compliant with ISO 9001 & DIN standards ensures every unit meets strict performance criteria, backed by Schaeffler’s official authorization

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, Spindles
Automation Precision Machining Centers
Aerospace High-Speed Rotating Components
Medical Devices Precision Instrumentation

Prevent Spindle Failures with FAG B71901-E-T-P4s-UL Angular Contact Ball Bearing

CNC machine operators know the cost of unexpected spindle downtime—lost production hours, missed deadlines, and emergency repair expenses. Many face counterfeit bearings that fail prematurely, or multi-tier distributors with inconsistent lead times that disrupt scheduling. When precision matters most, these issues aren’t just inconveniences—they directly impact machining accuracy and bottom-line results.

Genuine FAG Precision Bearings, Stocked and Traceable

As an official Schaeffler FAG distributor, we supply the FAG B71901-E-T-P4s-UL angular contact ball bearing—engineered for high-speed CNC spindles demanding P4/P4s precision. Our direct brand access eliminates gray-market risks, with every unit carrying complete traceability documentation. With dedicated inventory for precision grades, we ensure your production line stays operational without unnecessary delays.

Engineered for High-Speed Spindle Performance

This 25° contact angle bearing excels in applications where both radial and axial loads act simultaneously, such as high-speed CNC spindles. Its design minimizes friction at rotational speeds up to the bearing’s limiting values, maintaining stability even during rapid acceleration. For machine tools requiring consistent runout control and thermal stability, the B71901-E-T-P4s-UL delivers the reliability needed for continuous production cycles.

Technical Features That Drive Spindle Efficiency

The P4 precision class ensures tight dimensional tolerances, critical for maintaining spindle concentricity and reducing vibration in finish machining operations. The 25° contact angle (denoted by “E”) optimizes load distribution, balancing axial rigidity with radial flexibility—essential for high-speed cutting tools. Constructed from high-grade steel, this bearing withstands the thermal stresses of prolonged operation, while its cage design promotes even lubricant distribution for extended service life.

Why Genuine FAG Bearings Reduce Total Cost of Ownership

Counterfeit bearings may offer lower upfront prices, but they often lack material quality and manufacturing precision, leading to early fatigue and spindle damage. A single spindle failure can cost thousands in repairs and lost production. Our genuine FAG B71901-E-T-P4s-UL bearings, backed by ISO 9001 and DIN compliant testing, deliver predictable performance and longer service intervals—lowering your total cost of ownership by reducing unplanned downtime and replacement frequency.

Why Global Manufacturers Trust Our Supply

With 40+ countries served and core clients including CNC machine tool OEMs and aerospace manufacturers, our expertise in precision bearing supply is proven. We provide official brand authorization for every order, ensuring full compliance with export traceability requirements. Our precision application engineering team offers free model selection support based on your spindle parameters, while shockproof logistics ensure bearings arrive in factory-fresh condition. For critical orders, our dedicated account managers provide real-time tracking from warehouse to delivery.

Packaging & Shipping

  • Original FAG packaging with product certification and traceability documents
  • Reinforced carton pallet for shock and moisture protection during transit
  • 3-7 business days delivery for in-stock items
  • Flexible shipping via DHL, FedEx, UPS, air, or sea freight
  • 1 unit minimum order quantity, supporting both emergency repairs and bulk procurement

Secure Your Spindle Performance Today

Don’t let bearing issues slow your production. Whether you need a single replacement or a long-term supply agreement, our team ensures you get the right FAG B71901-E-T-P4s-UL bearing when you need it. Send your spindle specifications and quantity requirements now to secure your quote—we respond within 24 hours.

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 full traceability documentation to confirm authenticity.

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

A: Provide your spindle model, operating speed, and load conditions. Our precision application engineering team will verify compatibility and provide free technical recommendations.

What is the warranty on this bearing?

A: We offer the standard FAG manufacturer warranty, covering manufacturing defects. Our team supports warranty claims and provides replacement for non-conforming products.

What is the minimum order quantity?

A: We accept orders for 1 unit, ideal for emergency repairs, and can arrange bulk pricing for larger production requirements.

How quickly can you ship this bearing?

A: In-stock bearings ship within 3-7 business days via your preferred logistics method. We provide tracking numbers for all shipments.

How can I verify the bearing’s authenticity upon delivery?

A: Check for genuine FAG packaging, laser-etched part numbers, and included traceability certificates. Our team can assist with verification using official Schaeffler tools.

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
B71901-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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