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

High Precision FAG B7228-C-T-P4s-UL Angular Contact Ball Bearing for Machine Tool Spindle
High Precision FAG B7228-C-T-P4s-UL Angular Contact Ball Bearing for Machine Tool Spindle side angle
High Precision FAG B7228-C-T-P4s-UL Angular Contact Ball Bearing for Machine Tool Spindle cross section
High Precision FAG B7228-C-T-P4s-UL Angular Contact Ball Bearing for Machine Tool Spindle dimension drawing
High Precision FAG B7228-C-T-P4s-UL Angular Contact Ball Bearing for Machine Tool Spindle
High Precision FAG B7228-C-T-P4s-UL Angular Contact Ball Bearing for Machine Tool Spindle side angle
High Precision FAG B7228-C-T-P4s-UL Angular Contact Ball Bearing for Machine Tool Spindle cross section
High Precision FAG B7228-C-T-P4s-UL Angular Contact Ball Bearing for Machine Tool 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 Precision FAG B7228-C-T-P4s-UL Angular Contact Ball Bearing for Machine Tool Spindle

Model B7228-C-T-P4s-UL ● IN STOCK

<p>Ensure your machine tool spindle achieves uncompromising rotational precision with the <strong>FAG B7228-C-T-P4s-UL angular contact ball bearing</strong>, engineered to deliver exceptional running accuracy even under high-speed conditions. As an official Schaeffler FAG distributor, we guarantee 100% genuine OEM supply with full traceability documentation, eliminating the risks of counterfeit components and customs clearance delays.</p><ul><li>Precision grade P4s with 15° contact angle optimizes axial load capacity and rigidity for demanding spindle applications</li><li>Single-row design with cage (T) ensures stable operation at critical speeds, reducing vibration and extending tool life</li><li>Compliant with ISO 9001/DIN standards, backed by our dedicated application engineering team for installation guidance and failure analysis support</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 machine tool spindle achieves uncompromising rotational precision with the FAG B7228-C-T-P4s-UL angular contact ball bearing, engineered to deliver exceptional running accuracy even under high-speed conditions. As an official Schaeffler FAG distributor, we guarantee 100% genuine OEM supply with full traceability documentation, eliminating the risks of counterfeit components and customs clearance delays.

  • Precision grade P4s with 15° contact angle optimizes axial load capacity and rigidity for demanding spindle applications
  • Single-row design with cage (T) ensures stable operation at critical speeds, reducing vibration and extending tool life
  • Compliant with ISO 9001/DIN standards, backed by our dedicated application engineering team for installation guidance and failure analysis support

Description

Product Specifications

Parameter Details
Model NO. FAG Spindle Bearing
Precision P4, P4s, P2 (ISO)
Contact Angle (α) 15° (C), 25° (E)
Material Steel
Trademark FAG
Origin Jiangsu China
HS Code 8482800000

Application Industries

Industry Typical Equipment
Machine Tools CNC Machine Tool Spindles
Automation Precision Machining Centers

Prevent Spindle Downtime with Genuine FAG B7228-C-T-P4s-UL Angular Contact Ball Bearings

Machine tool operators know the frustration of unexpected spindle failures—costing thousands in lost production and emergency repairs. Gray market bearings often fail prematurely due to poor material quality, while multi-tier distributors delay deliveries by 30-50%, disrupting production schedules. Even small precision errors in spindle bearings can compromise machining accuracy, leading to scrapped parts and customer complaints.

Genuine FAG Precision Bearings, Direct from Authorized Stock

As an official Schaeffler FAG distributor, we supply authentic FAG B7228-C-T-P4s-UL angular contact ball bearings with full traceability documentation. Our P4/P2 grade stock includes this machine tool spindle bearing, ensuring same-week dispatch for urgent maintenance needs. Each bearing undergoes precision testing compliant with ISO 9001 and DIN standards, guaranteeing the high running accuracy critical for CNC spindle applications.

Engineered for High-Speed Spindle Performance

The FAG B7228-C-T-P4s-UL bearing features a 15° contact angle (C design) optimized for axial load handling in high-speed spindle operations. Its precision class P4s ensures minimal radial runout and axial clearance, maintaining tight machining tolerances even under continuous operation. This angular contact ball bearing excels in CNC machine tool spindles where both speed and rigidity are non-negotiable requirements.

Technical Features That Maximize Spindle Reliability

Three key parameters define this bearing’s performance: precision class, contact angle, and material quality. The P4s precision rating meets the strictest ISO standards for dimensional accuracy, reducing vibration and noise in high-speed applications. The 15° contact angle balances axial and radial load capacities, a critical feature for spindle designs where thrust loads occur during cutting operations. Constructed from high-grade steel, the bearing maintains structural integrity at operating temperatures up to 120°C, ensuring consistent performance in demanding machining environments.

Why Genuine Bearings Lower Total Cost of Ownership

Counterfeit bearings may offer lower upfront prices, but their hidden costs are substantial. A single spindle failure from a fake bearing can cause $10,000+ in downtime and repairs. Genuine FAG bearings provide predictable service life—backed by full manufacturer certification—reducing unplanned maintenance. Our precision application engineering team helps select the correct bearing variant, preventing premature failures from misapplication. Over the long term, authentic bearings deliver 30-50% lower total cost of ownership compared to gray market alternatives.

Why Global Manufacturers Trust Our FAG Bearings

We serve over 40 countries, with core clients including CNC machine tool OEMs and precision manufacturing facilities. As an authorized distributor, every FAG B7228-C-T-P4s-UL bearing comes with official brand authorization and complete traceability documents, eliminating customs clearance issues. Our shockproof precision logistics ensure bearings arrive in factory-fresh condition, while dedicated account managers provide end-to-end order tracking. For technical support, our application engineering team offers installation guidance and failure analysis—services rarely provided by traditional distributors.

Packaging & Shipping

  • Original FAG packaging with carton pallet reinforcement
  • 3-7 business days delivery for in-stock items
  • Global logistics via DHL, FedEx, UPS, air, or sea freight
  • Real-time tracking number provided upon dispatch
  • Minimum order quantity of 1 piece, supporting emergency repairs

Secure Your Spindle Performance Today

Don’t let bearing issues disrupt your production schedule. Send us your FAG B7228-C-T-P4s-UL bearing requirements, including quantity and application details, and receive a formal quotation within 24 hours. Our stock availability means you can replace critical spindle bearings without extended downtime—keeping your machines running and orders on track.

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 brand authorization and full traceability documentation.

Q: How do I confirm this bearing fits my machine tool 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. Manufacturing defects are covered by full replacement or refund.

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 this bearing?

A: In-stock FAG B7228-C-T-P4s-UL bearings ship within 3-7 business days via your preferred logistics method.

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

A: Each bearing includes FAG’s original packaging with防伪标签, laser-etched part numbers, and we provide full traceability certificates for verification 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
B7228-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

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