71808C precision angular-contact ball bearing

1.Sizes:Inner Diameter: 40mm Outer Diameter: 52mm Width: 7mm
2.Contact angle: 15°
3..Material: Gcr15/Bearing steel
4.Accuracy: P5/P4/P2
5.Cage:Bakelite,Nylon
6.Primary Application Range:Industrial robot joints, CNC machining center spindles, precision testing equipment
7.Common Mounting Configurations::DB, DF, DT
8.Delivery time: 7 working days
9.Support OEM. Customization
Product Description
Technical Specifications

71808C Precision Angular-Contact Ball Bearing: Ultra-Thin Design for High-Speed Applications

When your equipment demands exceptional speed capabilities within restricted installation space, the 71808C precision angular-contact ball bearing delivers the optimal solution. This ultra-thin section bearing combines a compact 7mm width with robust performance characteristics, making it the preferred choice for high-speed spindles, precision robotics, and advanced manufacturing equipment. Our product leverages 30 years of bearing expertise to provide reliable performance in the most demanding applications.

71808

Design Structure and Working Principle

The 71808C features an optimized internal geometry specifically engineered for ultra-thin applications. The bearing incorporates precision-ground raceways with Ra 0.02μm surface finish, ensuring smooth rolling element motion under elastohydrodynamic lubrication conditions.

The 15° contact angle configuration reduces internal friction compared to steeper angle designs. This geometry minimizes heat generation while maintaining adequate axial load capacity. The lightweight phenolic resin or PEEK cage, guided on the outer ring, ensures stable ball separation even under high centrifugal forces.

Rolling elements utilize high-grade vacuum-degassed steel with optimized sphericity tolerances. The raceway curvature design promotes proper load distribution across the contact ellipse, extending bearing service life in high-speed operations.

Performance Advantages

High-Speed Capability: The decreased contact point and lightweight rolling components empower remarkable rotational speeds. Lower gyroscopic strengths permit the bearing to keep up accuracy at speeds up to 43,000 RPM with legitimate grease systems.

Compact Establishment: The 7mm width gives noteworthy space investment funds compared to standard area orientation. This lean profile empowers originators to make more compact congregations whereas keeping up auxiliary integrity.

Superior Unbending nature: When appropriately preloaded in duplex or triplex setups, the bearing conveys tall hub and minute solidness. This characteristic anticipates avoidance in exactness applications requiring nanometer-level accuracy.

Temperature Solidness: Optimized inside geometry minimizes friction-induced warm era. Steady working temperatures guarantee steady dimensional characteristics in thermally touchy applications.

71808

Primary Applications

CNC Machining Centers: Introduced in axle congregations where high-speed cutting requests meet space imperatives. The bearing's accuracy characteristics guarantee prevalent surface wrap up quality on machined components.

Industrial Robot Joints: Gives the fundamental unbending nature for verbalized arms whereas permitting empty shaft plans for cable directing. The compact profile empowers lighter joint congregations without relinquishing performance.

Precision Testing Gear: Conveys vibration-free revolution fundamental for estimation precision. Moo clamor characteristics anticipate impedances with delicate location frameworks.

71808C

Mounting Configurations

The 71808C precision angular-contact ball bearing requires installation in matched pairs or sets due to its unidirectional axial load handling capability:

  • Back-to-Back (DB): Provides maximum moment rigidity for spindle applications
  • Face-to-Face (DF): Offers optimal load distribution for wide support configurations
  • Tandem (DT): Delivers increased axial load capacity for thrust applications

Universal matching ensures any two bearings can be paired without adjustment shims, simplifying installation and maintenance procedures.

Quality Assurance and Manufacturing

Our fabricating handle joins accuracy pounding innovation and specialized warm treatment strategies to accomplish steady dimensional precision. Each bearing experiences comprehensive testing counting vibration examination and stack testing to confirm execution parameters.

The three-level quality control framework envelops crude fabric assessment, in-process observing, and wrapped up item confirmation. This precise approach guarantees an ex-factory capability rate surpassing 99.9%.

Custom Solutions and Technical Support

We give comprehensive designing bolster for non-standard applications requiring adjusted determinations. Our specialized group offers establishment direction, preload calculations, and oil proposals based on your particular working conditions.

For complex applications, we convey on-site mapping administrations to guarantee culminate fitment with existing hardware. Our worldwide specialized back arrange gives 24-hour meeting administrations to minimize hardware downtime.

Delivery and Availability

Standard 71808C bearings ship within 7 working days from our extensive inventory. Custom configurations utilize our streamlined production processes to deliver modified bearings in significantly reduced timeframes compared to industry standards.

Our integrated supply chain management ensures consistent availability while maintaining competitive pricing for both standard and customized solutions.

Ready to optimize your equipment performance with precision 71808C precision angular-contact ball bearing technology? Contact our engineering team at auto@lyautobearing.com to discuss your specific application requirements and receive detailed technical recommendations for your next project.

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