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Super Precision Angular Contact Ball Bearings 71812 ACD/P4DGC

Super Precision Angular Contact Ball Bearings 71812 ACD/P4DGC

The 71812 ACD/P4DGC is a super precision angular contact ball bearing with a 60mm bore and 78mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and moderate preload ensure smooth handling of both radial and axial loads.

With a dynamic radial load capacity of 4680 lbf and a max speed of 35,000 RPM, it performs reliably in high-speed applications. The open design and phenolic cage make it easy to maintain while offering durability.

This bearing comes in a matched set of two, allowing flexible arrangements like back-to-back or face-to-face. Ideal for precision machinery, spindles, or tooling systems where accuracy is key.

Weighing just 0.2kg, it meets P4 tolerance standards for exceptional performance. Suitable for temperatures from -30°C to 110°C, it’s a versatile choice for demanding environments.

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Product Parameters

  • Part Number 71812 ACD/P4DGC
  • 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 20 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 4680 lbf
  • Static Radial Load 5962 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 35000 rpm
  • Weight 0.2 kg
Super Precision Angular Contact Ball Bearings 71812 ACD/P4DGC dimension drawing
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Features

Performance Features of 71812 ACD/P4DGC Bearing

71812 ACD/P4DGC Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.
Its 25° contact angle ensures optimal load distribution, enhancing performance in demanding setups.
The phenolic cage maintains ball alignment, reducing friction and wear during operation.
With a dynamic radial load capacity of 4680 lbf, it handles heavy loads efficiently.

How Is 71812 ACD/P4DGC Bearing Engineered for Reliability?

71812 ACD/P4DGC Bearing features universal matching, allowing flexible arrangements like back-to-back or face-to-face.
Its moderate preload (Class C) ensures stable operation, even at high speeds up to 35,000 rpm.
The open design and lubricated construction reduce maintenance needs while extending service life.
Precision P4 tolerance guarantees consistent performance in critical applications.

Built for Precision: 71812 ACD/P4DGC Bearing

71812 ACD/P4DGC Bearing’s chrome steel construction provides durability and resistance to wear.
With 28 balls of 5.556 mm diameter, it ensures smooth rotation and load distribution.
The temperature range of -30°C to 110°C makes it suitable for varied environments.
Its matched set design (2 bearings) offers versatility for complex mounting requirements.

Application

Where Is 71812 ACD/P4DGC Bearing Used?
71812 ACD/P4DGC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. The universal matching feature allows flexible arrangements, making it suitable for complex setups.

In robotics, 71812 ACD/P4DGC Bearing provides smooth motion control for articulated arms and joints, thanks to its moderate preload and phenolic cage. Its high-speed capability also supports dynamic automation tasks.

For aerospace applications, 71812 ACD/P4DGC Bearing’s chrome steel construction offers durability in components like landing gear systems. The P4 tolerance class ensures consistent performance under demanding conditions.

In medical imaging devices, 71812 ACD/P4DGC Bearing’s precision reduces vibration, enhancing scan clarity. The lubricated design also minimises maintenance needs in critical environments.

Consumer electronics like high-end printers benefit from 71812 ACD/P4DGC Bearing’s quiet operation and reliability. Its compact size fits seamlessly into space-constrained designs.

Q&A

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