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Super Precision Angular Contact Ball Bearings 71812 ACDGC/P4

Super Precision Angular Contact Ball Bearings 71812 ACDGC/P4

The 71812 ACDGC/P4 is a super precision angular contact ball bearing with a 60mm bore and 78mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2858 lbf and spins smoothly at speeds up to 33,000 RPM.

With a 25° contact angle and moderate preload, it offers stable performance for angular contact applications. The open design and phenolic cage ensure easy maintenance and long service life.

This bearing operates in temperatures from -30°C to 110°C and is interchangeable with SKF models. Ideal for high-precision machinery like spindles or CNC equipment.

Weighing just 0.1kg, it’s lightweight yet robust. It can be used in matched sets for back-to-back, face-to-face, or tandem arrangements, providing flexibility in complex setups.

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Product Parameters

  • Part Number 71812 ACDGC/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 78 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2858 lbf
  • Static Radial Load 3015 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.1 kg
Super Precision Angular Contact Ball Bearings 71812 ACDGC/P4 dimension drawing
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Features

How Does 71812 ACDGC/P4 Bearing Ensure Precision in High-Speed Applications?

71812 ACDGC/P4 Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel construction ensures durability, while the phenolic cage reduces friction for smoother operation.

With a maximum speed of 33,000 rpm, it excels in high-speed applications without compromising performance.
The P4 tolerance class guarantees tight precision, making it ideal for demanding machinery.

Moderate preload (Class C) enhances stability, reducing vibration during operation.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

Application

Industrial Uses of 71812 ACDGC/P4 Bearing
71812 ACDGC/P4 Bearing is commonly used in high-speed machine tools, where its precision and moderate preload ensure accurate performance. The open design and phenolic cage make it suitable for environments requiring minimal friction.

Where Is 71812 ACDGC/P4 Bearing Used?
You’ll often find 71812 ACDGC/P4 Bearing in automotive applications like electric motors, thanks to its angular contact design. Its high-speed capability and chrome steel construction provide durability in demanding conditions.

Built for Heavy-Duty Use: 71812 ACDGC/P4 Bearing
71812 ACDGC/P4 Bearing excels in robotics, particularly in robotic arms where smooth motion is essential. The P4 tolerance class ensures consistent performance even under heavy loads.

Automotive vs Aerospace: Applications of 71812 ACDGC/P4 Bearing
In automotive systems, 71812 ACDGC/P4 Bearing supports gearboxes, while in aerospace, it’s used in control mechanisms. Its high-speed rating and reliability make it versatile across industries.

Perfect Fit for Automation: 71812 ACDGC/P4 Bearing
71812 ACDGC/P4 Bearing is ideal for automated production lines, where its precision and speed enhance efficiency. The moderate preload helps maintain stability in repetitive tasks.

Q&A

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