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71909 ACE/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7909
71909 ACE/HCP4A 45×68×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed
Super-precision, high-speed E design, single row angular contact ball bearing. The 71909 ACE/HCP4A bearing features precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.
Product Specifications
Part Number
71909 ACE/HCP4A
Bearing Type
Angular Contact
Measurement Unit
Metric
Dimensions
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
Specifications
Contact Angle: 25° (15°, 40° Available) Material: Hybrid (Chrome Steel Rings, Ceramic Balls) Cage Material: Phenolic Number of Rows: 1 Single Row Seal Type: Open Temperature Range: -30°C to 150°C Lubrication: Grease or Oil Tolerance Class: P4A better than P4 (ABEC-7) Weight: 0.12 kg Matched Arrangement: No Universal Matching Bearing: No Preload: Not applicable
Load and Speed
Dynamic Radial Load: 9750 N Static Radial Load: 6400 N Reference Speed For Grease (r/min): 30,000 rpm Limiting Speed For Oil (r/min): 47,000 rpm
Product Images
Performance Features
The 71909 ACE/HCP4A 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 71909 ACE/HCP4A bearing, a precision angular contact ball bearing, is widely used across various industrial applications:
Precision Machinery and Machine Tools
Machine Tool Spindles: Used in high-speed, high-precision spindles for machines like engravers and milling machines
CNC Machines and Tool Changers: Ensures precise positioning and fast operation in CNC tool systems
Industrial Manufacturing
Textile and Printing Machines: Works in spinning, weaving, and printing equipment, handling heavy loads and continuous use
Metalworking Machines: Used in reducers, glass drills, presses, and cutting machines, withstanding heavy loads and shocks
Energy and Environmental Equipment
Thermal Equipment: Suitable for gas furnaces, cooling towers, and rice/flour machines in tough environments
Environmental Protection Devices: Provides stable performance in mold temperature controllers and non-clogging pumps
Automotive and Transportation
Car Parts: Improves durability in car transmissions, like differential pinion shafts
New Energy Vehicles: Supports automation in high-voltage wiring systems for electric vehicles
Electronics and Electrical Equipment
Motors and Appliances: Ensures low noise and high efficiency in motors, home appliances, and instruments
Semiconductors and Precision Instruments: Meets strict requirements in film stretching and high-temperature devices
Other Applications
Food Processing: Used in meat processing and slaughter equipment
Research and Testing: Supports fatigue testing and material testing machines
General Machinery: Applied in handles, live centers, and other standard parts
CERTIFICATE RoHS & REACH, IATF16949:2016
Feature High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
Service OEM&ODM Customized Services
Samples Please Contact Us
Factory Manufacturer: Yes Size: Standard (For custom sizes, please contact us) Service: Online Support, Professional Service
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 efficiency, we serv...
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 efficiency, we serv...
