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Super Precision Angular Contact Ball Bearings 71934 ACD/P4ATGA

Super Precision Angular Contact Ball Bearings 71934 ACD/P4ATGA

The 71934 ACD/P4ATGA is a super precision angular contact ball bearing measuring 170mm by 230mm by 84mm, crafted from durable chrome steel. It features a 25° contact angle and comes in a set of three, offering universal matching for flexible arrangements.

With a dynamic radial load capacity of 59625 lbf and a max speed of 16250 RPM, it delivers reliable performance under demanding conditions. The phenolic cage ensures smooth operation, while the open design allows for easy lubrication.

This bearing is ideal for high-precision applications like machine tool spindles or aerospace components. Its P4A tolerance class guarantees exceptional accuracy, and it operates smoothly in temperatures from -30°C to 110°C.

Weighing 8.55kg, it’s a robust choice for heavy-duty machinery. Interchangeable with SKF bearings, it simplifies replacements while maintaining top-tier performance.

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Product Parameters

  • Part Number 71934 ACD/P4ATGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 170 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 230 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 84 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • 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 59625 lbf
  • Static Radial Load 108000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 8.55 kg
Super Precision Angular Contact Ball Bearings 71934 ACD/P4ATGA dimension drawing
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Features

Performance Features of 71934 ACD/P4ATGA Bearing

71934 ACD/P4ATGA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure high durability under dynamic radial loads up to 59,625 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 16,250 rpm, it balances precision and performance in high-speed scenarios.

71934 ACD/P4ATGA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

The extra light preload (Class A) ensures minimal friction, extending the bearing’s service life.
Its precision P4A tolerance class guarantees consistent performance in demanding applications.

Application

Industrial Uses of 71934 ACD/P4ATGA Bearing
71934 ACD/P4ATGA Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The phenolic cage reduces friction, making it suitable for high-speed operations.

In aerospace applications, 71934 ACD/P4ATGA Bearing supports critical components like turbine shafts, thanks to its extra light preload and universal matching design. Its chrome steel construction offers durability under extreme conditions.

For automation systems, 71934 ACD/P4ATGA Bearing excels in robotic arms and CNC machines, where consistent performance is key. The P4A tolerance class guarantees precision in demanding industrial environments.

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