71900 ACE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
71900 ACE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.008 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
10 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
22 mm
Outside diameter tolerance
-0.005mm to 0
Width
6 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
3.175 mm
Ball quantity
11
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
439 lbf
Radial static load rating
169 lbf
Limiting speed
165 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 100.79
/ each
In Stock
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71900 ACE/HCP4A Bearing Product Overview & Core Advantages
The 71900 ACE/HCP4A is a single-row angular contact ball bearing engineered for applications demanding high precision and exceptional speed capabilities. Its defining feature is the 25° contact angle, optimized to handle significant combined loads—both radial and axial—simultaneously. Manufactured to P4 (ABEC-7) tolerance class, it delivers superior running accuracy. The use of ceramic balls and a phenolic cage enables operation at the remarkable limiting speed of 165,000 rpm, making it an ideal solution for high-speed spindles and precision machinery where rigidity and minimal friction are paramount.
71900 ACE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number 71900 ACE/HCP4A is decoded as follows:
- 71900: Denotes the bearing series and size (10mm bore, 22mm OD).
- ACE: Signifies a 25° contact angle and a non-sealed, open design.
- HCP4A: Indicates a preloaded bearing set to a specific internal clearance for high rigidity, supplied lubricated and manufactured to P4 (ABEC-7) precision tolerance.
71900 ACE/HCP4A Bearing Structural Features & Performance Benefits
- High-Speed & Low Friction Performance: The combination of ceramic balls and a lightweight phenolic resin cage significantly reduces centrifugal forces and friction, directly contributing to the ultra-high limiting speed and lower operating temperatures.
- High Rigidity & Precision: The 25° contact angle and factory-applied preload ensure high system stiffness, minimizing deflection under load. Manufactured to P4 tolerance, it guarantees exceptional running accuracy and positional stability.
- Superior Load Capacity: The angular contact design is engineered to efficiently support combined radial and axial loads in one direction, making it robust for demanding applications.
- Optimized for Precision Lubrication: Being supplied lubricated and with an open seal type, it is ready for integration into systems with controlled, high-performance lubrication systems for maximum efficiency and service life.
71900 ACE/HCP4A Bearing Typical Application Areas
This high-precision, high-speed bearing is typically specified in advanced applications such as:
- High-Frequency CNC Spindles
- Precision Grinding Machine Spindles
- High-Speed Dental Handpieces
- Turbochargers and Small Turbomachinery
- Advanced Robotics and Instrumentation
