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Super Precision Angular Contact Ball Bearings 71814 ACDGA/HCP4

Super Precision Angular Contact Ball Bearings 71814 ACDGA/HCP4

The 71814 ACDGA/HCP4 is a super precision angular contact ball bearing with a 70mm bore and 90mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and ceramic balls for smooth operation.

With a dynamic radial load capacity of 2925 lbf, it spins efficiently at speeds up to 28,000 RPM. The phenolic cage ensures stability, while the open design allows easy lubrication.

This bearing is ideal for high-precision applications like machine tools or spindles, where extra light preload is required. It can be arranged back-to-back, face-to-face, or tandem for versatile use.

Weighing just 0.12kg, it meets P4 tolerance standards and operates in temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it’s a reliable choice for precision engineering.

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Product Parameters

  • Part Number 71814 ACDGA/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 31
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2925 lbf
  • Static Radial Load 3375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.12 kg
Super Precision Angular Contact Ball Bearings 71814 ACDGA/HCP4 dimension drawing
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Features

Performance Features of 71814 ACDGA/HCP4 Bearing

71814 ACDGA/HCP4 Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle allows efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 2925 lbf, it excels in demanding applications.

71814 ACDGA/HCP4 Bearing operates smoothly at speeds up to 28,000 rpm.
Its P4 tolerance class ensures consistent accuracy for precision tasks.

Application

Common Applications of 71814 ACDGA/HCP4 Bearing
71814 ACDGA/HCP4 Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 25° contact angle ensures stable performance under angular loads, making it ideal for precision grinding applications.

In robotics, 71814 ACDGA/HCP4 Bearing provides smooth motion control in articulated arms, thanks to its P4 tolerance class. The lightweight design and high-speed capability make it a reliable choice for automated assembly lines.

For medical imaging devices, 71814 ACDGA/HCP4 Bearing’s chrome steel rings and ceramic balls offer quiet operation and long service life. The extra light preload ensures minimal vibration, crucial for maintaining image clarity in sensitive equipment.

Where Is 71814 ACDGA/HCP4 Bearing Used?
You’ll often find 71814 ACDGA/HCP4 Bearing in aerospace applications, such as helicopter rotor systems, where its high-speed performance and durability are essential. The open design allows for easy lubrication, extending its lifespan in demanding conditions.

In electric vehicle motors, 71814 ACDGA/HCP4 Bearing handles both radial and axial loads efficiently, thanks to its angular contact design. The ceramic balls also help reduce energy loss, improving overall motor efficiency.

Built for Heavy-Duty Use: 71814 ACDGA/HCP4 Bearing
71814 ACDGA/HCP4 Bearing excels in industrial pumps, where its phenolic cage resists corrosion from harsh fluids. The P4 tolerance ensures consistent performance even under continuous operation, reducing downtime for maintenance.

For precision measuring instruments, 71814 ACDGA/HCP4 Bearing’s low vibration and high rigidity provide accurate readings. The ceramic balls minimise wear, ensuring long-term reliability in laboratory environments.

Automotive vs Aerospace: Applications of 71814 ACDGA/HCP4 Bearing
In automotive turbochargers, 71814 ACDGA/HCP4 Bearing withstands high temperatures and speeds, thanks to its ceramic balls and chrome steel rings. The extra light preload ensures smooth rotation, reducing lag in turbo response.

For aerospace gyroscopes, 71814 ACDGA/HCP4 Bearing’s high precision and stability are critical for navigation systems. The universal matching capability allows for custom configurations, meeting specific performance requirements.

Q&A

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