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S71909 CB/P4A Super Precision Single Row Angular Contact Ball Bearing 7909 2RZ
Product Overview
S71909 CB/P4A 45×68×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed
Super-precision, high-speed B design, single row angular contact ball bearing with seals. The S71909 CB/P4A bearing features precise dimensions, high static load capacity, P4A precision grade, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.
Technical Specifications
Part Number
S71909 CB/P4A
Bearing Type
Angular Contact
Measurement Unit
Metric
Inner Bore Diameter (d)
45 mm
Inner Bore Diameter Tolerance
-0.006mm to 0
Outer Bore Diameter (D)
68 mm
Outer Bore Diameter Tolerance
-0.007mm to 0
Width (B)
12 mm
Width Tolerance
-0.2mm to 0
Contact Angle
15° (25°, 40° Available)
Material
Chrome Steel
Cage Material
Phenolic
Number of Rows
1 Single Row
Seal Type
Seal on both sides
Temperature Range
-30°C to 150°C
Lubrication
Grease
Tolerance Class
P4A better than P4 (ABEC-7)
Weight
0.13 kg
Load and Speed Ratings
Dynamic Radial Load
7410 N
Static Radial Load
5700 N
Reference Speed For Grease (r/min)
28,000 rpm
Limiting Speed For Oil (r/min)
43,000 rpm
Product Images
Performance Features
The S71909 CB/P4A angular contact ball bearing is engineered for high-precision and high-performance applications, featuring:
Very tight tolerances suitable for precise machinery
Ability to handle both radial and axial loads simultaneously
High-speed operation with stability
Low torque and friction for energy efficiency
Enhanced rigidity for accuracy under heavy loads
Durability with extended service life
Effective performance across a wide temperature range
Applications
The S71909 CB/P4A bearing is a high-precision angular contact ball bearing widely applicable in various demanding industrial fields:
Machine Tools and Spindles: Optimized for high-precision CNC spindles, handling high speeds and complex loads. Used in electric spindles for machining centers and grinders.
Industrial Robots and Automation: Ideal for robotic joints and precision systems, offering high rigidity and low friction for accurate movement.
Aerospace and Instruments: Supports high-speed stability in aircraft imaging and navigation systems. Suitable for lab equipment like centrifuges requiring low vibration.
Energy and Heavy Machinery: Used in turbines, pumps, and hydraulic systems, even in tough environments. Applied in construction machinery like excavators and crushers.
Other Industries: Ensures precision in plastic injection molding machines. Supports rollers in printing and packaging equipment like slitting and die-cutting machines.
Certifications & Services
Certificates: RoHS & REACH, IATF16949:2016
Features: High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
Service: OEM&ODM Customized Services
Samples: Please Contact Us
Support: Online Support, Professional Service
Size: Standard, For custom sizes please contact us
Factory Manufacturer: Yes
If you need more detailed information, feel free to ask!
Beining Intelligent Technology
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...
Beining Intelligent Technology
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...