71914 CE/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
71914 CE/HCP4A
Basic Information
System of measurement
Metric
Weight
0.27 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.008mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
22
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
4972 lbf
Radial static load rating
3600 lbf
Limiting speed
34 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:
$ 708.24
/ each
In Stock
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71914 CE/HCP4A Bearing Product Overview & Core Advantages
The 71914 CE/HCP4A is a single-row angular contact ball bearing engineered for applications demanding high precision and superior speed performance. Designed to accommodate primarily axial loads in one direction and combined loads, its key advantages stem from its P4 (ABEC-7) tolerance class and the use of ceramic balls, which significantly reduce friction and heat generation. This configuration ensures exceptional rotational accuracy and is ideal for high-reliability, high-speed machinery.
71914 CE/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number 71914 CE/HCP4A provides detailed technical specifications:
- 71914: Denotes the bearing series and size (70mm bore, 100mm OD, 16mm width).
- C: Indicates a 15° contact angle, optimized for high-speed applications with axial loads.
- E: Signifies a reinforced phenolic resin cage, which is lightweight and suitable for high-speed operation.
- HC: Stands for Hybrid Ceramic, meaning the rolling elements are ceramic balls.
- P4: Specifies the tolerance class P4 (ABEC-7), indicating very high dimensional and running accuracy.
- A: Denotes that the bearing is available with a specific preload for enhanced rigidity.
71914 CE/HCP4A Bearing Structural Features & Performance Benefits
- High-Speed Capability: The combination of a phenolic cage and ceramic balls minimizes centrifugal forces and friction, enabling a high limiting speed of 34,000 rpm.
- High Rigidity and Precision: Manufactured to P4 tolerance and available with preload, this bearing provides excellent running accuracy and stiffness, crucial for precise positioning systems.
- Superior Load Capacity: With a dynamic load rating of 4972 lbf and a static load rating of 3600 lbf, it reliably handles significant combined (radial and axial) loads.
- Reduced Heat Generation: Ceramic balls have a lower coefficient of thermal expansion and reduced friction compared to steel, leading to cooler operation and extended lubricant life.
- Wide Temperature Range: Suitable for operating temperatures from -30°C to 110°C.
71914 CE/HCP4A Bearing Typical Application Areas
This high-precision, high-speed bearing is ideally suited for:
- Machine Tool Spindles
- High-Frequency Motors and Spindles
- Precision Grinding Equipment
- Aerospace Actuators and Control Systems
- Medical and Dental Handpieces
- High-Performance Pumps and Compressors
