708 CD/P4ADBB 8*22*14 mm Super Precision High Capacity Two Rows
Angular Contact Ball Bearing High Speed Spindle Tools CNC Machine
The 708 CD/P4ADBB bearing,bore diameter is 8 mm, outside diameter
is 22mm,width is 14 mm,featuring precise dimensions, high static
load capacity, P4A precision grade, delivers superior performance
and reliability for applications requiring high rotational accuracy
and stability.
Part Number
708 CD/P4ADBB
Bearing Type
Angular Contact
Measurement Unit
Metric
Dimensions
Inner Bore Diameter (d)
8 mm
Inner Bore Diameter Tolerance
-0.004mm to 0
Outer Bore Diameter (D)
22 mm
Outer Bore Diameter Tolerance
-0.004mm to 0
Width (B)
14mm(2*7mm)
Width Tolerance
-0.2mm to 0
Specifications
Contact Angle
15° (25°,40° Available)
Material
Chrome Steel
Cage Material
Phenolic
Number of Rows
2 Rows (2*Single Row)
Seal Type
Open
Temperature Range
-30°C to 150°C
Lubrication
Grease or Oil
Tolerance Class
P4A better than P4
Weight
0.024kg
Matched Arrangement
DB <> 2 bearings
Universal Matching Bearing
No
Preload
L/Light/Class B
Load and Speed
Dynamic Radial Load
5270 N
Static Radial Load
2750 N
Reference Speed For Grease (r/min)
70,000 rpm
Limiting Speed For Oil(r/min)
110,000 rpm
What's the Performance Features of708 CD/P4ADBBBearing?
The 708 CD/P4ADBB bearing, engineered for high-performance
applications, features P4A grade precision, an angular contact
design for handling significant radial and axial loads. Optimized
for high-speed operation with minimal vibration, it offers smooth,
quiet performance and is constructed from premium materials to
ensure durability and longevity. This bearing maintains high
precision during operation, making it ideal for critical
applications in machine tools, automation, aerospace, medical
devices, and other industries requiring exceptional accuracy and
reliability.
What's the Applications of the708 CD/P4ADBB Bearing?
The 708 CD/P4ADBB bearing,designed for high-speed and high-stability performance, is crucial
in precision machinery, electric spindles, industrial automation
equipment, medical devices, and the energy sector, including wind
power generation. Its ability to minimize vibration and wear at
high speeds, handle significant centrifugal and thermal loads, and
provide excellent wear resistance makes it indispensable for
applications requiring precise, durable, and reliable operation.
Additionally, it is used in aerospace, metallurgy, and chemical
industries, where it must withstand harsh conditions such as high
temperatures and corrosive environments. In essence, this bearing
is a vital component across multiple sectors, ensuring stability,
precision, and long-term performance in demanding industrial
applications.
CERTIFICATE
RoHS & REACH, IATF16949:2016
Feature
High Speed and Stiffness,High Running Accuracy,High Load Carrying
Capacity
Precision Bearings for High-Performance Industries
At Beining Intelligent Technology, we design and manufacture precision bearings for high-demand
applications in:
CNC Machine Tool Spindles
Robotics
Motors
With a focus on quality, automation, and efficiency, we serve
global markets including automotive, aerospace, industrial
automation, and smart home appliances.
Why Work With Us?
✅ Mass Production Efficiency
We produce over 600,000 bearings per day (more than 200 million annually), with the full production cycle — from raw material to finished
product — completed in just one hour, thanks to our 90 automated production lines.
✅ Smart Home Industry Leadership
We are a key supplier to leading brands such as Midea and Haier, delivering 8–10 million bearings monthly for use in air conditioner and washing machine motors.
✅ Precision Engineering Expertise
We specialize in P2/P4-grade angular contact bearings, and hold a domestic market share of over 60% in industrial automation linear modules and precision machine
tools.
✅ Digital Quality Control
All critical quality control points are monitored in real time
using online automated inspection systems. A digital tracking system provides full visibility into
production progress and quality status, supported by big data analysis for continuous improvement and trend evaluation.
Our Facilities & Capabilities
20,000 m² modern manufacturing facility in Cixi, Ningbo
20+ experienced R&D engineers for customized solutions
IATF 16949-certified production standards
Our Products & Brands
CNBTZC: High-performance deep groove ball bearings
COL: Angular contact and cross roller bearings for precision
applications
Our products are widely used in smart home appliances, industrial
automation modules, and high-speed CNC machine tools.
Let’s Build the Future Together
For high-quality, mass-produced precision bearings or tailored
engineering solutions, visit us at www.precisionball-bearing.com or contact our team today.
