71914 ACE/HCP4ADBA

Hybrid Ceramic Super Precision Bearings

71914 ACE/HCP4ADBA Hybrid Ceramic Super Precision Bearings
71914 ACE/HCP4ADBA Hybrid Ceramic Super Precision Bearings

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Part No.
Part No. 71914 ACE/HCP4ADBA

Basic Information

System of measurement Metric
Weight 0.55 kg
Tolerance class P4A
Seal type Open
For load direction Angular Contact

Main Dimensions

Bore diameter 70 mm
Bore diameter tolerance -0.004mm to 0
Outside diameter 100 mm
Outside diameter tolerance -0.004mm to 0
Width 32 mm
Width tolerance -0.2mm to 0
Contact angle 25 °

Ball & Washer Dimensions

Ball diameter 9.525 mm
Ball quantity 22

Performance

Temperature range - 30°C to 110 °C
Radial dynamic load rating 7605 lbf
Radial static load rating 6862 lbf
Limiting speed 29 X 1000 rpm
Lubrication Lubricated
Matched arrangement Duplex Back-to-Back (DB)
Number of bearings in matched set 2
Universal matching bearing No (Standard)
Preload Extra light / Class A

Materials

Ring material Chrome Steel
Ball material Ceramic
Cage material Phenolic
Technical Drawings No drawings available at the moment, will be launched soon
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71914 ACE/HCP4ADBA Bearing Product Overview & Core Advantages

The 71914 ACE/HCP4ADBA is a precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and high-speed capability. This duplex back-to-back (DB) matched pair configuration provides superior high rigidity and can accommodate combined radial and axial loads. Manufactured to P4A tolerance class, it features ceramic balls and a phenolic cage, making it an ideal solution for high-performance machinery where reliability and precision are paramount.

71914 ACE/HCP4ADBA Bearing Model Code Explained, Specifications & Naming Convention

The model number 71914 ACE/HCP4ADBA breaks down as follows:
  • 71914: Basic bearing series and size designation (70mm bore, 100mm OD)
  • ACE: Angular Contact design with 25° contact angle
  • HC: Hybrid Ceramic construction (steel rings with ceramic balls)
  • P4A: High precision tolerance class
  • DB: Duplex Back-to-Back mounting arrangement
  • A: Extra light preload classification

71914 ACE/HCP4ADBA Bearing Structural Features & Performance Benefits

Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces friction, minimizes heat generation, and extends service life, particularly in high-speed applications.

Enhanced Rigidity & Load Capacity: The duplex back-to-back arrangement creates a rigid bearing system capable of handling substantial combined loads from multiple directions, ensuring stable operation under demanding conditions.

Superior High-Speed Performance: The phenolic cage and ceramic balls enable exceptional limiting speeds up to 29,000 rpm, while the 25° contact angle optimizes axial load capacity for high-speed applications.

Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control, this bearing delivers consistent performance and precise rotational characteristics essential for precision machinery.

71914 ACE/HCP4ADBA Bearing Typical Application Areas

  • Machine Tool Spindles: High-speed machining centers and precision grinding machines
  • High-Speed Motors & Spindles: Industrial motors requiring exceptional rotational accuracy
  • Precision Instrumentation: Medical equipment, measuring devices, and laboratory instruments
  • Aerospace Components: Gyroscopes, navigation systems, and auxiliary power units
  • Semiconductor Manufacturing Equipment: Wafer handling robots and precision positioning systems
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