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Super Precision Angular Contact Ball Bearings 71812 ACDGA/P4

Super Precision Angular Contact Ball Bearings 71812 ACDGA/P4

The 71812 ACDGA/P4 is a super precision angular contact ball bearing with a 60mm bore and 78mm outer diameter, crafted from durable chrome steel. Its slim 10mm width makes it suitable for compact spaces while maintaining high performance.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 2858 lbf dynamically. It spins smoothly at speeds up to 33,000 RPM, thanks to its phenolic cage and lubricated design.

The P4 tolerance class ensures exceptional accuracy, ideal for high-precision applications. Its open design allows for easy maintenance and custom lubrication.

Perfect for machine tools or high-speed spindles, this bearing is interchangeable with SKF models. It operates reliably in temperatures from -30°C to 110°C and weighs just 0.1kg, offering a lightweight yet robust solution.

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Product Parameters

  • Part Number 71812 ACDGA/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 Extra light / Class A
  • 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
  • Price（$） 88.785
Super Precision Angular Contact Ball Bearings 71812 ACDGA/P4 dimension drawing
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Features

Performance Features of 71812 ACDGA/P4 Bearing

71812 ACDGA/P4 Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The chrome steel construction ensures durability and resistance to wear under dynamic radial loads up to 2858 lbf.

With a maximum speed of 33,000 rpm, 71812 ACDGA/P4 Bearing delivers smooth and efficient operation.
Its phenolic cage maintains ball alignment, reducing friction and extending service life.

71812 ACDGA/P4 Bearing operates reliably in temperatures ranging from -30°C to 110°C.
The extra light preload enhances performance in high-speed, precision tasks.

Application

Key Fields for 71812 ACDGA/P4 Bearing
71812 ACDGA/P4 Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for efficient lubrication, extending its service life in demanding conditions.

In automotive applications, 71812 ACDGA/P4 Bearing supports components like electric motors and gearboxes, handling both radial and axial loads smoothly. Its phenolic cage material reduces friction, making it ideal for high-speed operations.

For robotics and automation, 71812 ACDGA/P4 Bearing provides reliable motion control in mechanical arms and CNC machines. The P4 tolerance class ensures minimal vibration, crucial for precision tasks.

Medical imaging devices also benefit from 71812 ACDGA/P4 Bearing’s stability and low noise levels. The chrome steel construction offers durability, even in continuous use environments.

Q&A

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