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

B71928-E-T-P4s-UL FAG Precision Angular Contact Ball Bearing for CNC Machine Tools
B71928-E-T-P4s-UL FAG Precision Angular Contact Ball Bearing for CNC Machine Tools side angle
B71928-E-T-P4s-UL FAG Precision Angular Contact Ball Bearing for CNC Machine Tools cross section
B71928-E-T-P4s-UL FAG Precision Angular Contact Ball Bearing for CNC Machine Tools dimension drawing
B71928-E-T-P4s-UL FAG Precision Angular Contact Ball Bearing for CNC Machine Tools
B71928-E-T-P4s-UL FAG Precision Angular Contact Ball Bearing for CNC Machine Tools side angle
B71928-E-T-P4s-UL FAG Precision Angular Contact Ball Bearing for CNC Machine Tools cross section
B71928-E-T-P4s-UL FAG Precision Angular Contact Ball 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

B71928-E-T-P4s-UL FAG Precision Angular Contact Ball Bearing for CNC Machine Tools

Model B71928-E-T-P4s-UL ● IN STOCK

<p>Ensure your CNC machine tool operates with exceptional precision and reliability using the <strong>FAG B71928-E-T-P4s-UL</strong> precision angular contact ball bearing. As an official authorized FAG distributor, we deliver 25° contact angle spindle bearings engineered for high-speed rotation and minimal runout, directly addressing the critical need for consistent performance in demanding machining environments.</p> <ul> <li>P4s precision grade ensures tight dimensional tolerance and stable batch quality, reducing unexpected downtime risks</li> <li>Original FAG certification guarantees full traceability, eliminating concerns over gray market authenticity</li> <li>Engineered with E-type contact angle geometry to optimize axial load capacity in spindle applications</li> </ul> <p>Backed by our dedicated OEM service team, this bearing comes with professional installation guidance and shockproof logistics—so you get more than a component, you get a partner in maintaining peak manufacturing efficiency.</p>

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 machine tool operates with exceptional precision and reliability using the FAG B71928-E-T-P4s-UL precision angular contact ball bearing. As an official authorized FAG distributor, we deliver 25° contact angle spindle bearings engineered for high-speed rotation and minimal runout, directly addressing the critical need for consistent performance in demanding machining environments.

  • P4s precision grade ensures tight dimensional tolerance and stable batch quality, reducing unexpected downtime risks
  • Original FAG certification guarantees full traceability, eliminating concerns over gray market authenticity
  • Engineered with E-type contact angle geometry to optimize axial load capacity in spindle applications

Backed by our dedicated OEM service team, this bearing comes with professional installation guidance and shockproof logistics—so you get more than a component, you get a partner in maintaining peak manufacturing efficiency.

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 Machinery, Robotic Systems
Aerospace Aircraft Component Manufacturing Equipment
Medical Devices High-Precision Processing Machines

Prevent CNC Spindle Failures with FAG B71928-E-T-P4s-UL Precision Angular Contact Ball Bearing

CNC machine tool operators know the frustration of unexpected spindle downtime—often caused by counterfeit bearings that fail prematurely or imprecise components that compromise machining accuracy. When bearings lack proper traceability, customs clearance delays can disrupt production schedules, while multi-tier distribution channels often lead to inconsistent delivery times that make planning nearly impossible.

Original FAG Precision Bearings, Immediately Available for CNC Applications

As an official authorized Schaeffler FAG distributor, we provide the B71928-E-T-P4s-UL precision angular contact ball bearing—an OEM-grade solution designed specifically for CNC machine tool spindles. Our direct relationship with FAG ensures full traceability, eliminating the risks of counterfeit products. With sufficient P4/P2 grade stock, we can fulfill orders quickly, supporting both scheduled production and emergency maintenance needs.

Engineered for High-Speed CNC Spindle Performance

This FAG angular contact ball bearing excels in high-speed, precision applications where rotational accuracy and load capacity are critical. The 25° contact angle (E designation) optimizes axial load handling, making it ideal for CNC spindles that operate under combined radial and axial forces. Whether machining complex metal parts or conducting fine finishing operations, this bearing maintains consistent running accuracy even at elevated speeds, directly impacting part quality and production efficiency.

Technical Parameters That Ensure CNC Spindle Reliability

The B71928-E-T-P4s-UL incorporates key features that define its performance in CNC environments. The P4s precision class meets strict ISO standards for dimensional accuracy and rotational smoothness, minimizing vibration and ensuring tight tolerance machining. The steel material construction provides durability under continuous operation, while the bearing’s design allows for precise preload adjustment—critical for maintaining spindle rigidity. These characteristics collectively extend spindle service life and reduce unplanned maintenance.

Why Genuine FAG Bearings Lower Total Cost of Ownership

Choosing genuine FAG bearings over gray-market alternatives delivers long-term value by reducing hidden costs. Counterfeit bearings often fail within months, leading to spindle repairs, production downtime, and potential damage to expensive machine components. In contrast, our FAG B71928-E-T-P4s-UL bearings come with complete precision certification and traceability documentation, ensuring compliance with export requirements and eliminating customs clearance issues. The consistent quality of original FAG products also reduces the need for frequent replacements, lowering overall maintenance expenses.

Our Commitment to CNC Manufacturers

With over a decade of experience serving high-end manufacturing across 40+ countries, we stand behind every FAG bearing we supply. Our precision testing system, compliant with ISO 9001 and DIN standards, verifies each bearing before shipment. A dedicated precision application engineering team provides technical support, from model selection based on operating conditions to installation guidance. We also offer shockproof precision logistics to ensure bearings arrive in optimal condition, and customized OEM solutions for large-scale production needs.

Packaging & Shipping

  • Original FAG packaging with brand authentication labels and protective inner casing
  • Expedited processing for in-stock items, with delivery within 3-7 business days
  • Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
  • Real-time tracking information provided for all shipments
  • Minimum order quantity of 1 piece, accommodating both emergency repairs and small-batch requirements

Secure Your CNC Production with Reliable Bearings Today

Every hour of spindle downtime costs your operation valuable production time and revenue. Don’t risk equipment failure with uncertified bearings. Send us your B71928-E-T-P4s-UL bearing requirements, including quantity and application details, and we’ll deliver the genuine FAG solution you need to keep your CNC machines running at peak performance.

Frequently Asked Questions

Q: Are these genuine FAG bearings?

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

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

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

Q: What is the warranty policy?

A: All FAG bearings are covered by the manufacturer’s warranty, which includes replacement for any manufacturing defects. We provide full support for warranty claims and after-sales service.

Q: What is the minimum order quantity?

A: We accept orders for 1 piece, making it easy to source bearings for emergency repairs or small production runs.

Q: How quickly can you ship this bearing?

A: In-stock bearings are shipped within 24 hours of order confirmation, with delivery typically taking 3-7 business days via express courier.

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

A: Each bearing includes FAG’s original packaging with holographic labels and serial numbers. We also provide traceability documents that can be cross-verified through official channels.

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
B71928-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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