High Precision Angular Contact Ball Bearings
Engineered for exceptional high-speed performance and maximum rigidity. Our angular contact ball bearings seamlessly support combined radial and axial loads. Sourced directly from our advanced manufacturing facility, we guarantee stable quality, P2/P4 precision, and comprehensive OEM support for global industrial applications.
- Supports Simultaneous Radial and Axial Loads
- Ultra-High Speed & P2/P4 Precision Grades
- Factory-Direct Supply & OEM Customization
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What Are Angular Contact Ball Bearings?
Angular contact ball bearings are highly specialized rolling-element bearings designed to handle simultaneous radial and axial (thrust) loads.
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Unique Geometry: Unlike standard deep groove ball bearings, the inner and outer ring raceways are displaced relative to each other in the direction of the bearing axis.
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Contact Angle & Capacity: This internal geometry creates a specific contact angle. The larger the contact angle, the higher the axial load capacity.
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Paired Configuration: Because a single row bearing can only accommodate axial loads in one direction, they are frequently used in matched pairs or sets to ensure optimal stability and load distribution.
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Industrial Applications: These bearings are the foundation of high-speed, high-precision machinery. Their extreme rigidity makes them essential for machine tool spindles, industrial pumps, and precision robotics.
Key Features and Benefits
Engineered for uncompromising performance in demanding industrial environments.
High Speed Capability
Optimized internal geometry and advanced cage designs minimize friction. This allows for ultra-high rotational speeds without excessive heat generation.
Combined Load Capacity
The engineered contact angle allows the bearing to absorb both high radial loads and unidirectional axial loads simultaneously with exceptional stability.
High Running Accuracy
Manufactured to stringent P4 and P2 precision classes. These bearings ensure superior rotational accuracy, crucial for precision machining and robotics.
Low Noise & Vibration
Super-finished raceways and premium grade steel balls drastically reduce operating noise and vibration, extending the lifespan of adjacent components.
Reliable Performance
Constructed from high-purity bearing steel, ensuring exceptional fatigue resistance and reliable operation even under continuous heavy-duty use.
Long Service Life
Advanced heat treatment processes and optimal lubrication retention designs significantly extend the operational lifespan, reducing maintenance costs.
Flexible Pairing Options
Available in universal matching configurations (DB, DF, DT). This allows engineers to achieve the exact rigidity and load distribution required.
OEM & Custom Support
As a primary manufacturer, we provide complete non-standard customization, custom materials, and OEM branding tailored to your project.
Angular Contact Ball Bearing Types
Comprehensive manufacturing capabilities to meet diverse industrial requirements.
Single Row
Accommodates axial loads in one direction. Typically adjusted against a second bearing. High speed capability with rigid performance.
Double Row
Corresponds to two single-row bearings arranged back-to-back but takes up less axial space. Handles radial and bidirectional axial loads.
Matched Pair
Universally matchable bearings supplied as sets (DB, DF, DT). Eliminates the need for shims and ensures predetermined preload.
Super Precision
Manufactured to P4 or P2 tolerances. Designed for ultra-high speeds, maximum running accuracy, and minimal heat generation.
Sealed Versions
Equipped with non-contact or contact seals. Pre-lubricated for life to prevent contamination and simplify maintenance.
Custom Designs
Non-standard dimensions, special materials (ceramic balls, stainless steel), and unique cage designs engineered to your blueprint.
Technical Capabilities
Our manufacturing facility is equipped to produce angular contact ball bearings tailored to exact operational parameters.
Contact Angle Options
15° (C), 25° (A5), 30° (A), 40° (B). Custom angles available upon request.
Precision Grades
ISO P0 (Standard), P6, P5, P4 (Super Precision), P2 (Ultra Precision).
Material Options
High-carbon chromium bearing steel (GCr15), Stainless Steel, Ceramic Balls (Hybrid).
Cage Types
Polyamide (TVP), Machined Brass (M), Pressed Steel (J), Phenolic Resin.
Matched Arrangements
Back-to-Back (DB), Face-to-Face (DF), Tandem (DT), Universal Matching.
Sealing & Lubrication
Open, Shielded (ZZ), Sealed (2RS). High-speed grease or oil-air lubrication compatible.
Technical Summary: Our angular contact ball bearings deliver superior speed capability and load performance through optimized internal geometry. By strictly controlling noise and vibration levels and ensuring excellent temperature stability, we guarantee reliable operation in high-speed applications. We also offer fully custom technical specifications to meet the rigorous demands of specialized OEM projects.
Application Industries
Delivering precision and reliability across critical industrial sectors.
Machine Tool Spindles
Super precision angular contact ball bearings provide the extreme rigidity and high-speed accuracy required for CNC milling and turning centers.
Industrial Pumps
Designed to handle significant axial loads generated by fluid pressure, ensuring stable impeller rotation and long service life.
Electric Motors
Used in high-speed electric motors to support rotor weight and maintain precise air gaps, reducing vibration and noise.
Compressors
Capable of withstanding continuous high-speed operation and combined loads in screw and centrifugal compressor units.
Gearboxes
Provides robust support for helical and bevel gears, managing the complex thrust loads generated during power transmission.
Robotics
Essential for robotic joints requiring high stiffness, compact design, and precise positioning accuracy.
Precision Machinery
Used in measuring instruments and optical equipment where rotational accuracy and low friction are paramount.
Automation Equipment
Delivers reliable performance for automated assembly lines, packaging machines, and material handling systems.
Agricultural & Energy
Durable construction supports heavy loads in tractors, harvesters, and renewable energy equipment like wind turbine generators.
Why Choose Haron as Your Manufacturer?
With over 20 years of manufacturing experience, Haron operates as a true bearing factory, not just a trading company. We possess the infrastructure, technical expertise, and quality control systems required to support global industrial procurement teams.
Our facility features 100 advanced production lines capable of stable mass production while achieving precision up to the P2 grade. We have extensive export experience, ensuring your bearings arrive safely and on time, anywhere in the world.
- Factory Direct: Competitive pricing without middleman markups.
- Customization: Non-standard bearing customization and OEM/ODM service.
- Fast Response: Rapid quotation and fast sampling for new projects.
Stringent Quality Control
Every bearing goes through a rigorous inspection process to ensure zero defects.
Raw Material Inspection
Precision Machining Control
Grinding & Finishing Inspection
Dimensional Checking
Noise & Vibration Testing
Rotation Accuracy Testing
Final Inspection & Traceability
Export Packing Inspection
Custom Bearing Solutions
We specialize in non-standard bearing production and extensive OEM solutions. Whether you need a unique geometry or specialized materials, our engineering team can develop a product tailored to your exact application.
- Custom dimensions and tolerances
- Special materials (Ceramic, Stainless)
- Drawing-based and sample-based development
- Specialized sealing and lubrication solutions
- OEM branding and custom packaging
Example Specification Table
A brief overview of our standard angular contact ball bearing range. Full catalogs are available upon request.
| Bearing Type | Bore (mm) | Outer (mm) | Width (mm) | Contact Angle | Precision Grade | Material | Cage |
|---|---|---|---|---|---|---|---|
| 7005C | 25 | 47 | 12 | 15° | P4 / P2 | GCr15 | Phenolic / Brass |
| 7208A | 40 | 80 | 18 | 30° | P0 / P6 | GCr15 | Steel / Brass |
| 7312B | 60 | 130 | 31 | 40° | P0 / P5 | GCr15 | Machined Brass |
| 3206 (Double Row) | 30 | 62 | 23.8 | 32° | P0 / P6 | GCr15 | Polyamide / Steel |
| Custom Series | 10 - 500 | 22 - 800 | Custom | Custom | Up to P2 | Custom | Custom |
Factory Capability & Manufacturing Strength
Haron operates an advanced manufacturing facility dedicated to producing high-performance bearings. We combine large-scale production capability with ultra-precise engineering.
Frequently Asked Questions
Common technical and commercial questions about our angular contact ball bearings.
An angular contact ball bearing is a specialized bearing designed with asymmetrically relieved inner and outer rings. This creates a specific contact angle, enabling it to support significant radial loads and unidirectional axial loads simultaneously.
While deep groove ball bearings primarily handle radial loads and minimal axial loads, angular contact ball bearings are specifically engineered with a contact angle to handle high combined (radial + axial) loads at much higher speeds.
Because a single row bearing can only take axial loads in one direction, they are used in matched pairs (Back-to-Back or Face-to-Face) to support axial loads in both directions and provide rigid shaft support.
Choose a 15° or 25° angle for high-speed applications with light axial loads (like spindles). Choose a 40° angle for applications requiring high axial load capacity but operating at lower speeds.
Common applications include CNC machine tool spindles, industrial fluid pumps, electric motors, air compressors, gearboxes, and precision robotics.
Yes, we supply universally matchable bearings that can be arranged in DB (Back-to-Back), DF (Face-to-Face), or DT (Tandem) configurations with precise preload controls.
Yes, our factory is equipped with high-precision grinding and testing equipment capable of achieving super precision P4 and ultra-precision P2 grades.
Absolutely. We provide full OEM services including custom dimensions, special materials (like ceramic balls), unique cages, and private label packaging.
Our application engineers can assist you. Simply provide your operating speed, radial and axial loads, space constraints, and environmental conditions.
Please send the bearing model number, required precision grade, contact angle, cage material preference, quantity, and any special custom requirements.
We standardly use high-carbon chromium bearing steel (GCr15). We also offer stainless steel and hybrid ceramic options for specialized applications.
Yes, with over 100 production lines, we easily handle large-scale volume orders with stable lead times and consistent quality control.