Kgg Specializes Bearing in Long-Life Angled Ball Bearings 708c Series

• Customization: Available
• Contact Angle: 15°
• Aligning: Non-Aligning Bearing
• Model NO.: 708C
• Separated: Separated
• Rows Number: Single
• Load Direction: Radial Bearing
• Material: Bearing Steel
• Inner Diameter: 8mm
• Outer Diameter: 22mm
• Width: 7mm
• Weight: 0.012kg
• Transport Package: Single Box+Cartons+Pallets
• Specification: Precision Angled Ball Bearing
• Trademark: KGG
• Origin: Shanghai
• HS Code: 8482101000
• Production Capacity: 15000
• Package Size: 31.00cm * 21.00cm * 11.00cm
• Package Gross Weight: 0.500kg

Product Description

Product Description

KGG High Quality Miniature Angular Contact Ball Bearing

Our Angular Contact Ball Bearing is engineered to provide superior rotational precision and robust load-bearing capacity for critical applications in high-speed spindles, precision gearboxes, robotics, and aerospace systems, etc. Our advanced bearing design facilitates smooth, high-velocity operation, exceptional axial and radial rigidity, and ultra-reliable rotational accuracy. Built for endurance, it ensures consistent performance under combined loads, intense operational cycles, and extreme environmental conditions.

Specification

Advantages

Working Principle & Performance Advantages
KGG angular contact ball bearings utilize a precision-engineered contact angle to simultaneously manage both radial and axial loads. The optimized internal geometry, combined with controlled axial preload, ensures exceptionally smooth rotation, high rigidity, and minimal operational friction. This design translates to superior rotational accuracy, excellent high-speed performance, and extended service life under demanding conditions. By effectively distributing loads through the contact angle, these bearings provide outstanding operational stability and precise shaft positioning, making them a critical component in high-performance rotational systems.

Optimized Design for Rigidity and Speed

Despite their miniature dimensions, MGR guide rails maintain exceptional rigidity and load capacity through optimized structural design. The compact size allows for space-saving integration in precision equipment while ensuring stable performance under various load conditions. Special sealing designs provide effective protection against contaminants.

Precision Engineering and Configurable Solutions

Manufactured to the highest precision standards, our bearings are available in standard grades up to ISO Class 4 (ABEC 7), with super-precision options meeting P4A and ISO Class 2 (ABEC 9) specifications for the most critical applications. We offer versatile pairing options—including universal, back-to-back (DB), face-to-face (DF), and tandem (DT) configurations—allowing for customized stiffness and load-handling characteristics. Pre-set internal clearances and specialized sealing solutions further enhance performance longevity and reliability in diverse operational environments.

Application
Ideal for high-speed machine tool spindles, precision robotics, CNC machining centers, semiconductor manufacturing equipment, medical imaging systems, aerospace guidance systems, high-frequency motors, optical instrument focusing mechanisms, industrial automation drives, and other demanding applications requiring ultra-precision, high rigidity, and reliable high-speed performance.

Drawings & Dimensions

Detailed CAD drawings and dimensional diagrams are available for download here or upon inquiry.
Our engineering team can provide tailored designs to meet specific project requirements.

Factory Detailed Processing Photos

Finished Product Photos

Company Profile

Shanghai KGG Robots Co., Ltd.

Shanghai KGG Robotos Co., Ltd. is a leading Chinese manufacturer of construction equipment with over 16 years of expertise. Certified with ISO 9001, ISO 14001, and IATF 16949, we export to 30+ countries, offering reliable machinery backed by R&D innovation and strict quality control.

Why Choose Us?

Our Main Products

Self-branded
OEM/ODM capabilities
High repeat buyers choice
Customization from designs
Competitive pricing & bulk discounts
Fast shipping & customs clearance support

Ball Screw
Planetary Roller Screw
GSSD Stepper Motor
PT Variable Pitch Slide
Gearbox
Linear Actuator

Certifications

FAQ

Q: Why choose KGG China?
A: Over the past 17 years, KGG has always insisted that "products and services" start from Japanese industry standards, taking Taiwan standards as the bottom line, actively invest in the development of new transmission components and self-experiment and test. With the service tenet of "exceeding customer expectations", establish a "trusted" partnership.
 
Q: What is your main products?
A: We are a leading manufacturer and distributor of linear motion components in China. Especially miniature size of Ball Screws and Linear Actuators and linear motion guideways.  Our brand "KGG" stands for " Know-how," " Great Quality," and " Good value"  and our factory is located in the most advanced  city in China: Shanghai  with the best equipment and sophisticated technology, completely strict quality control system. Our aim is to supply world leader class linear motion components but with most reasonable price in the world. 
 
Q: How to Custom-made (OEM/ODM)?
A: If you have a product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.
 
Q: When can I get the quotation?
A: We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.
 
Q: How can I get a sample to check the quality?
A: After confirmation of our quoted price, you can place the sample order. The sample will be started after you sign back our detailed technical file. 
 
Q: What's your payment terms?
A: Our payment terms is 30% deposit,balance 70% before shipment.