Saifan Bearing
FAG Bearings
High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing for Industrial Machinery
High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing for Industrial Machinery
High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing for Industrial Machinery
High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing for Industrial Machinery
High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing for Industrial Machinery
High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing for Industrial Machinery
High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing for Industrial Machinery
High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing for Industrial Machinery
High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing for Industrial Machinery
High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing for Industrial Machinery
In Stock · Ready to Ship

High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing for Industrial Machinery

SKU: 98ef7cc643b3

Ensure smooth, high-precision rotation for your industrial machinery with the High Precision FAG B71903-C-T-P4s-Um Angular Contact Spindle Machine Bearing. Engineered to deliver exceptional stability and reduce downtime, this bearing meets the rigorous demands of machine spindles, where precision directly impacts production quality.

  • P4s precision grade ensures minimal vibration and extended service life, critical for maintaining tight tolerances in high-speed operations
  • 15° contact angle (C type) optimizes axial load capacity, making it ideal for spindle applications requiring both radial and thrust support
  • Constructed with high-grade steel for durability, backed by Saifan Bearings' strict quality control and 12-month warranty for reliable performance you can trust
Factory Price
¥1.85
MOQ: 1pc · Bulk discount available
ISO 9001
Certified
12-Month
Warranty
3-5 Days
Sample Delivery
Technical Documentation

Product Details

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
Industrial Machinery CNC Machine Tools, Spindle Units, Precision Lathes
Manufacturing Grinding Machines, Milling Equipment, Boring Machines
Automotive Transmission Systems, Precision Machining Equipment

Eliminate Spindle Downtime with FAG B71903-C-T-P4s-Um High Precision Angular Contact Bearings

Machine shops lose thousands in production annually due to premature spindle bearing failure. Misaligned precision grades, counterfeit components, and delayed replacements turn minor maintenance into major workflow disruptions. When your CNC spindle stops rotating, every minute counts—especially when standard suppliers demand large minimum orders or weeks-long lead times.

Genuine FAG Precision Bearings, Ready for Immediate Shipment

The FAG B71903-C-T-P4s-Um Angular Contact Spindle Bearing delivers the reliability industrial machinery demands. As an experienced bearing supplier with decades of export experience, we maintain stock of genuine FAG components, supporting 1-piece MOQ for standard bearings and 3-5 day sample delivery. This high precision spindle bearing ensures your machine tools maintain tight tolerances, reducing rework and extending production uptime.

Engineered for High-Speed, High-Precision Applications

Designed for industrial machine spindles, this angular contact bearing excels in high-rotation environments where precision and stability are critical. With a 15° contact angle (C design) and P4s precision grade, it handles radial and axial loads simultaneously, making it ideal for high-speed CNC machining centers and precision grinders. The bearing’s steel construction and optimized internal geometry ensure consistent performance even under continuous operation.

Technical Specifications That Drive Performance

Precision is non-negotiable in spindle applications. The FAG B71903-C-T-P4s-Um meets ISO precision standards up to P2, with P4s as standard—ensuring minimal runout and vibration. Its 15° contact angle balances load distribution, critical for maintaining spindle rigidity during heavy cutting operations. The bearing’s design accommodates both radial and axial forces, a necessity for multi-axis machining centers where dynamic load conditions change constantly. Material selection—high-grade steel—directly contributes to wear resistance and long service life, reducing replacement frequency.

The Hidden Costs of Compromising on Bearing Quality

Counterfeit angular contact bearings may offer lower upfront prices, but they cost far more in the long run. Poorly machined components lead to increased vibration, accelerated spindle wear, and unexpected failures that halt production. A single unplanned downtime event can exceed the cost of ten genuine bearings. Our FAG B71903-C-T-P4s-Um bearings meet ISO, ABMA, and DIN international standards, backed by strict quality control—from raw material inspection to full-process production supervision. Choosing genuine components reduces total cost of ownership by minimizing maintenance, extending equipment life, and avoiding production losses.

Why Industrial Buyers Choose Our Bearing Solutions

With ISO 9001:2015 and ISO 14001 certifications, we adhere to global quality and environmental standards. Our professional technical team provides free guidance on bearing selection, installation, and maintenance, ensuring optimal performance. We’ve served industrial buyers across Europe, North America, and Southeast Asia since 2005, building a reputation for reliable supply and flexible order policies. Every bearing undergoes dimensional detection and performance testing in our in-house laboratory, guaranteeing consistent quality. For distributors and wholesalers, we offer free samples (freight borne by customer) to verify specifications before bulk orders.

Packaging & Shipping

  • Secure carton pallet packaging to prevent damage during transit
  • Sample orders shipped within 3-5 working days
  • Bulk orders delivered in 5-15 working days
  • Multiple logistics options: DHL, FedEx, UPS, air, or sea freight
  • 1 piece MOQ for standard bearings, ideal for emergency replacements

Get Your Spindle Back to Work—Request a Quote Today

Delayed spindle repairs cost money. Whether you need a single replacement bearing or a bulk order for scheduled maintenance, we ensure fast delivery to minimize downtime. Send us your bearing designation, application details, and quantity, and our team will respond with a quote within 24 hours.

Frequently Asked Questions

Q: Are these genuine FAG bearings?

A: Yes, we supply genuine original FAG bearings, sourced from authorized channels with full traceability.

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

A: Provide your equipment model or spindle specifications, and our technical team will verify compatibility at no cost.

Q: What warranty coverage do you offer?

A: All products come with a 12-month warranty from the delivery date, covering manufacturing defects with free replacement or refund.

Q: What is the minimum order quantity?

A: Standard bearings have a 1-piece MOQ, supporting emergency repair needs.

Q: How quickly can you ship this bearing?

A: Sample orders ship within 3-5 working days; bulk orders take 5-15 working days depending on quantity.

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

A: Genuine FAG bearings include original packaging with holographic labels and serial numbers verifiable through official channels. We provide full documentation for traceability.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.

Quality Assurance
100% Inspection

High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.

Delivery
3-15 Days

Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).

Customization
Full OEM/ODM

P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.

After-Sales
12-Month Warranty

Professional technical guidance and failure solutions from our R&D team.

You May Also Need

Related Bearings

View All FAG Bearings
High Precision Angular Contact Ball Spindle Bearing B7007-C-T-P4s-Um for Machine Tools

High Precision Angular Contact Ball Spindle Bearing B7007-C-T-P4s-Um for Machine Tools

¥1.80
High Precision Angular Contact Ball Spindle Bearing B7009-E-T-P4s for Machine Tools

High Precision Angular Contact Ball Spindle Bearing B7009-E-T-P4s for Machine Tools

¥1.85
Double Row Angular Contact Ball Bearings 3310-B-2Z-TNH FAG High Precision P5 ISO Certified

Double Row Angular Contact Ball Bearings 3310-B-2Z-TNH FAG High Precision P5 ISO Certified

¥1.50
Double Row Angular Contact Ball Bearing 3302-Bd-XL-2z-Tvh for Agricultural Planter

Double Row Angular Contact Ball Bearing 3302-Bd-XL-2z-Tvh for Agricultural Planter

¥1.50
Industry Insights

Latest from Our Blog

All Articles
How to Pick Easy-Assembly Split Bearing Housings from China Suppliers?
Jul 07, 2026

How to Pick Easy-Assembly Split Bearing Housings from China Suppliers?

Split Bearings for Sale: How to Pick Easy-Assembly Housing Options from China Bearing Suppliers 85% of common industrial split bearing applications fit stock standardized housing sizes, eliminating the need for custom machining. If you’re sourcing split bearings for urgent equipment replacement, bulk procurement or planned maintenance, you’ve probably spent hours comparing custom machining quotes, waiting […]

Read Article
How to Source Reliable Clutch Release Bearing Wholesale Suppliers in China?
Jul 07, 2026

How to Source Reliable Clutch Release Bearing Wholesale Suppliers in China?

How to Source Reliable Clutch Release Bearings for Automotive Aftermarket Wholesale in China Lower-priced aftermarket clutch release bearings do not always have shorter service lives. Many global aftermarket buyers default to assuming that cost cuts directly correspond to performance tradeoffs, but this common misconception overlooks the core production and quality control standards that actually define […]

Read Article

Need a Custom Solution?

Our R&D team supports full OEM/ODM customization with technical drawings. Contact us for stable factory pricing and reliable supply.

WhatsApp Us Send Inquiry