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Super Precision Angular Contact Ball Bearings 71912 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings 71912 ACD/P4AQBCA

The 71912 ACD/P4AQBCA is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched set of four bearings for balanced performance.

This bearing handles radial loads up to 11115 lbf and spins smoothly at speeds up to 33000 RPM. Its phenolic cage ensures quiet operation and long service life, even under high-speed conditions.

The open design allows for easy lubrication, while the extra-light preload (Class A) ensures minimal friction. Ideal for precision applications like machine tool spindles or high-speed robotics.

With a temperature range of -30°C to 110°C, it’s suitable for demanding environments. Weighing 0.76kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 71912 ACD/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 11115 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.76 kg
Super Precision Angular Contact Ball Bearings 71912 ACD/P4AQBCA dimension drawing
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Features

Performance Features of 71912 ACD/P4AQBCA Bearing

71912 ACD/P4AQBCA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and smooth operation under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and wear during high-speed rotation.
With a maximum speed of 33,000 rpm, it delivers reliable performance in demanding conditions.

71912 ACD/P4AQBCA Bearing’s extra light preload enhances precision, making it suitable for angular contact tasks.
Its open design allows for easy lubrication, ensuring consistent performance over time.

The matched arrangement of four bearings provides stability, ideal for complex mechanical systems.
Its P4A tolerance class guarantees high accuracy, meeting strict industrial standards.

Application

Industrial Uses of 71912 ACD/P4AQBCA Bearing
71912 ACD/P4AQBCA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation in demanding environments.

In automotive applications, 71912 ACD/P4AQBCA Bearing supports high-speed components like turbochargers and transmission systems. Its extra light preload helps maintain smooth performance under varying loads.

For medical imaging devices, 71912 ACD/P4AQBCA Bearing’s P4A tolerance class provides the precision needed for reliable operation. The chrome steel construction ensures durability in sterile environments.

Automation systems benefit from 71912 ACD/P4AQBCA Bearing’s matched arrangement, which enhances stability in robotic arms. The open seal design allows for easy lubrication, extending service life.

In consumer electronics, 71912 ACD/P4AQBCA Bearing is found in high-speed printers, where its low friction and quiet operation are key advantages. The metric sizing ensures compatibility with various European and Asian models.

Q&A

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