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

FAG B71920-C-T-P4s-UL Angular Contact Ball Bearing for CNC Router Spindle
FAG B71920-C-T-P4s-UL Angular Contact Ball Bearing for CNC Router Spindle side angle
FAG B71920-C-T-P4s-UL Angular Contact Ball Bearing for CNC Router Spindle cross section
FAG B71920-C-T-P4s-UL Angular Contact Ball Bearing for CNC Router Spindle dimension drawing
FAG B71920-C-T-P4s-UL Angular Contact Ball Bearing for CNC Router Spindle
FAG B71920-C-T-P4s-UL Angular Contact Ball Bearing for CNC Router Spindle side angle
FAG B71920-C-T-P4s-UL Angular Contact Ball Bearing for CNC Router Spindle cross section
FAG B71920-C-T-P4s-UL Angular Contact Ball Bearing for CNC Router 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

FAG B71920-C-T-P4s-UL Angular Contact Ball Bearing for CNC Router Spindle

Model B71920-C-T-P4s-UL ● IN STOCK

<p>Ensure your CNC router spindle maintains peak cutting precision with the <strong>FAG B71920-C-T-P4s-UL</strong> angular contact ball bearing, engineered to deliver exceptional rotational accuracy and thermal stability during high-speed machining operations. This P4s precision bearing features a 15-degree contact angle optimized for radial and axial load handling, reducing vibration and extending spindle service life in demanding production environments.</p><ul><li>Direct OEM supply guarantees full traceability documentation, eliminating customs clearance delays and quality compliance concerns</li><li>Ultra-precision manufacturing (ISO 9001/DIN standards) ensures consistent batch performance for seamless production scheduling</li><li>Specialized cage design minimizes friction at speeds up to 12,000 RPM, ideal for heavy-duty router applications</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 router spindle maintains peak cutting precision with the FAG B71920-C-T-P4s-UL angular contact ball bearing, engineered to deliver exceptional rotational accuracy and thermal stability during high-speed machining operations. This P4s precision bearing features a 15-degree contact angle optimized for radial and axial load handling, reducing vibration and extending spindle service life in demanding production environments.

  • Direct OEM supply guarantees full traceability documentation, eliminating customs clearance delays and quality compliance concerns
  • Ultra-precision manufacturing (ISO 9001/DIN standards) ensures consistent batch performance for seamless production scheduling
  • Specialized cage design minimizes friction at speeds up to 12,000 RPM, ideal for heavy-duty router applications

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 Router Spindles, Machine Tool Spindles
Automation Precision Machining Centers

Prevent CNC Spindle Failures with FAG B71920-C-T-P4s-UL Angular Contact Ball Bearing

CNC router operators often face unexpected downtime when spindle bearings fail prematurely—costing thousands in lost production and repair fees. Many struggle with inconsistent delivery times from multi-tier distributors, making it hard to align with tight production schedules. Even worse, gray market bearings lacking proper traceability documentation can lead to customs delays and quality disputes that disrupt your supply chain.

Genuine FAG Spindle Bearings with Immediate Availability

As an official Schaeffler FAG distributor, we supply authentic FAG B71920-C-T-P4s-UL angular contact ball bearings designed specifically for CNC router spindles. Our P4s precision grade stock ensures high running accuracy, critical for maintaining tight tolerances in precision machining. With direct brand access, we eliminate supply chain delays, offering shockproof precision logistics to get your bearings where they need to be—when you need them.

Optimized Performance for High-Speed CNC Spindles

The FAG B71920-C-T-P4s-UL excels in high-speed rotating applications like CNC router spindles, where its 15-degree contact angle (C) provides optimal axial load capacity. This angular contact ball bearing is engineered to handle the combined radial and axial forces common in precision machining, ensuring stable operation even at maximum spindle speeds. Choosing the right bearing directly impacts surface finish quality, tool life, and overall machine productivity.

Technical Specifications That Matter

Our FAG B71920-C-T-P4s-UL features P4s precision, the second-highest ISO grade, which minimizes radial runout and axial clearance—essential for maintaining spindle concentricity. The steel construction delivers durability under continuous operation, while the 15° contact angle balances load distribution for enhanced rigidity. These technical attributes translate to longer bearing life, reduced vibration, and consistent performance in demanding CNC environments.

Why Authenticity Beats Counterfeit Savings

Counterfeit FAG spindle bearings may seem cheaper upfront, but they often fail within months, causing spindle damage that costs 10x more to repair than the bearing itself. Our authorized supply chain guarantees complete traceability, with documentation compliant with international export standards. Every FAG B71920-C-T-P4s-UL bearing comes with full precision certification, ensuring batch consistency and avoiding the hidden costs of counterfeit products—like unplanned downtime and quality liability issues.

Why Over 40 Countries Trust Our FAG Bearings

We’ve served high-end manufacturing across 40+ countries for years, building trust through our core strengths: official original supply with Schaeffler authorization, sufficient P4/P2 grade stock for immediate fulfillment, and a precision application engineering team to support model selection and installation. Our ISO 9001 & DIN compliant testing system ensures every bearing meets FAG’s strict quality standards, while dedicated account managers provide full-cycle visibility from order to delivery.

Packaging & Shipping

  • Original FAG packaging with protective carton pallet to prevent damage during transit
  • Stock availability for 3-7 business day delivery to most global locations
  • Flexible shipping via DHL, FedEx, UPS, air, or sea freight based on urgency
  • Real-time logistics tracking provided for all shipments
  • Minimum order quantity of 1 piece to support emergency repairs and small-batch needs

Get Your CNC Spindle Back to Work

Don’t let bearing issues slow your production. Send us your FAG B71920-C-T-P4s-UL order details, including quantity and application parameters, and we’ll provide a formal quotation with traceability certificates within 24 hours. With our stock on hand, you can minimize downtime and keep your CNC router operating at peak efficiency.

Frequently Asked Questions

Q: Are these genuine FAG bearings?

A: Yes, we are an official Schaeffler FAG distributor, and every bearing comes with full brand authorization and traceability documentation to confirm authenticity.

Q: How do I confirm if 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 at no cost.

Q: What is your warranty policy?

A: We adhere to FAG’s official warranty standards, offering unconditional replacement for manufacturing defects.

Q: What is the minimum order quantity?

A: We accept orders for 1 piece, ideal for emergency repairs or small-batch production needs.

Q: How quickly can you ship?

A: In-stock bearings ship within 3-7 business days via your choice of DHL, FedEx, UPS, air, or sea freight.

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

A: Each bearing includes FAG’s original packaging with防伪标签 (anti-counterfeit label) and laser marking. We also provide full traceability certificates for verification.

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
B71920-C-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