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

High Precision B7003-C-T-P4s-K5-UL FAG Tapered Bore Spindle Bearing for Machine Tools
High Precision B7003-C-T-P4s-K5-UL FAG Tapered Bore Spindle Bearing for Machine Tools side angle
High Precision B7003-C-T-P4s-K5-UL FAG Tapered Bore Spindle Bearing for Machine Tools cross section
High Precision B7003-C-T-P4s-K5-UL FAG Tapered Bore Spindle Bearing for Machine Tools dimension drawing
High Precision B7003-C-T-P4s-K5-UL FAG Tapered Bore Spindle Bearing for Machine Tools
High Precision B7003-C-T-P4s-K5-UL FAG Tapered Bore Spindle Bearing for Machine Tools side angle
High Precision B7003-C-T-P4s-K5-UL FAG Tapered Bore Spindle Bearing for Machine Tools cross section
High Precision B7003-C-T-P4s-K5-UL FAG Tapered Bore Spindle Bearing for Machine Tools dimension drawing
FAG Genuine P4 Class
ISO 9001 · DIN 620
AUTHORIZED
Schaeffler
SHIPS IN
3-5 Days
RESPONSE
≤ 24H
FAG Genuine · Authorized Tapered Roller Bearing P4 / P2

High Precision B7003-C-T-P4s-K5-UL FAG Tapered Bore Spindle Bearing for Machine Tools

Model B7003-C-T-P4s-K5-UL ● IN STOCK

<p>Achieve unmatched CNC machining precision with the <strong>B7003-C-T-P4s-K5-UL FAG spindle bearing</strong>, engineered to deliver consistent high running accuracy for machine tool spindles. As an official FAG distributor, we ensure full traceability and batch stability, eliminating the risks of counterfeit components and compliance issues in global supply chains.</p><ul><li>Precision grade P4s with 15° contact angle (C design) minimizes rotational error, ideal for high-speed spindle applications</li><li>Direct OEM supply from authorized stock ensures reliable lead times, keeping your production schedule on track</li><li>Shockproof logistics and ISO 9001/DIN compliant testing guarantee that every bearing meets strict performance standards</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

Achieve unmatched CNC machining precision with the B7003-C-T-P4s-K5-UL FAG spindle bearing, engineered to deliver consistent high running accuracy for machine tool spindles. As an official FAG distributor, we ensure full traceability and batch stability, eliminating the risks of counterfeit components and compliance issues in global supply chains.

  • Precision grade P4s with 15° contact angle (C design) minimizes rotational error, ideal for high-speed spindle applications
  • Direct OEM supply from authorized stock ensures reliable lead times, keeping your production schedule on track
  • Shockproof logistics and ISO 9001/DIN compliant testing guarantee that every bearing meets strict performance standards

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 Machine Tool Spindles
Automation Precision Machining Centers

Stop CNC Downtime with Genuine B7003-C-T-P4s-K5-UL FAG Spindle Bearings

Machine tool operators know the cost of spindle failure—unplanned downtime, scrapped workpieces, and missed deadlines. Gray market bearings often fail prematurely due to substandard materials, while multi-tier distributors delay deliveries by 30-50%, disrupting production schedules. When your CNC spindle needs a replacement, every hour counts.

Genuine FAG Spindle Bearings, In Stock and Traceable

As an official Schaeffler FAG distributor, we supply the B7003-C-T-P4s-K5-UL high precision spindle bearing directly from authorized channels. Our P4/P2 grade stock ensures you get the exact precision spindle bearing your machine tool requires without long lead times. Each unit comes with complete traceability documentation, eliminating customs clearance issues and quality disputes.

Engineered for CNC Spindle Performance

This FAG tapered bore spindle bearing excels in high-speed CNC machine tool applications, where rotational accuracy and stability directly impact machining precision. With a 15° contact angle (C design), it handles both radial and axial loads efficiently, maintaining rigidity even under varying cutting forces. The P4s precision class ensures minimal runout, critical for achieving tight tolerances in precision machining.

Technical Details That Define Reliability

The B7003-C-T-P4s-K5-UL bearing’s precision grade (P4s) meets ISO standards for dimensional accuracy and rotational performance, reducing vibration and extending spindle life. The tapered bore design allows for easy mounting and precise preload adjustment, essential for optimizing bearing stiffness in high-speed spindles. Constructed from high-quality steel, it delivers consistent performance under the thermal and mechanical stresses of continuous machining operations.

Why Genuine Bearings Lower Your Total Cost

Counterfeit spindle bearings may cost less upfront, but they often cause catastrophic failures within months. A single spindle breakdown can result in $10,000+ in repair costs and lost production. Genuine FAG bearings, backed by ISO 9001 and DIN compliant testing, provide predictable service life and reduce unplanned maintenance. Our clients in 40+ countries report 30% fewer spindle-related issues after switching to authorized supply.

Your Trusted Partner for Precision Bearings

We stand behind every FAG tapered bore spindle bearing with: Official authorization from Schaeffler, ensuring 100% genuine products with full traceability. A precision testing system compliant with ISO 9001 and DIN standards, verifying each bearing before shipment. A dedicated application engineering team to assist with model selection and installation guidance. Shockproof logistics packaging to protect bearings during transit. Customized OEM solutions for large-scale production needs, supported by reserved inventory.

Packaging & Shipping

  • Original FAG packaging with product certification and traceability documents
  • Reinforced carton pallet for shock and moisture protection during transport
  • 3-7 business days delivery for in-stock items via DHL, FedEx, or UPS
  • Real-time logistics tracking provided for all shipments
  • Minimum order quantity of 1 unit, ideal for emergency repairs or small-batch requirements

Get Your B7003-C-T-P4s-K5-UL Bearing Today

Don’t let spindle downtime derail your production schedule. Send us your bearing model, machine tool details, and required quantity, and we’ll provide a formal quotation with authorization certificates within 24 hours. Our stock is ready to ship—get your CNC machine back to work faster.

Frequently Asked Questions

Q: Are these genuine FAG bearings?

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

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

A: Provide your machine tool model, spindle specifications, 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: All FAG bearings are covered by the manufacturer’s warranty against manufacturing defects. We provide full support for warranty claims and replacements.

Q: What is the minimum order quantity?

A: We accept orders for 1 unit, making it easy to source emergency replacement bearings for critical machinery.

Q: How quickly can you ship this bearing?

A: In-stock bearings are shipped within 3-7 business days via your preferred carrier (DHL, FedEx, UPS,空运, or海运).

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

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

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
B7003-C-T-P4s-K5-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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