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Super Precision Angular Contact Ball Bearings 71934 ACD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71934 ACD/P4ATBTA

The 71934 ACD/P4ATBTA is a super precision angular contact ball bearing with a 170mm bore and 230mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 59625 lbf and operates smoothly at speeds up to 16250 RPM.

Its 25° contact angle and matched set of three bearings (arranged > TBT) provide excellent stability for angular loads. The phenolic cage ensures durability, while the open design allows for easy lubrication.

This bearing is ideal for high-precision applications like machine tool spindles or aerospace equipment. With a temperature range of -30°C to 110°C, it performs reliably in various conditions.

Weighing 8.55kg, it’s robust yet designed for precision. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71934 ACD/P4ATBTA
  • 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 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/P4ATBTA dimension drawing
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Features

Performance Features of 71934 ACD/P4ATBTA Bearing

71934 ACD/P4ATBTA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The chrome steel rings and balls provide high durability under dynamic radial loads up to 59,625 lbf.

Its phenolic cage ensures smooth operation at speeds up to 16,250 rpm, reducing friction and wear.
The matched arrangement of three bearings enhances stability and performance in angular contact scenarios.

71934 ACD/P4ATBTA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
The extra light preload (Class A) ensures minimal friction while maintaining precision.

With a tolerance class of P4A, 71934 ACD/P4ATBTA Bearing meets high-precision requirements.
Its open design allows for easy lubrication, ensuring long-term reliability.

The 29 chrome steel balls, each 19.05 mm in diameter, contribute to its high load capacity.
This design makes 71934 ACD/P4ATBTA Bearing suitable for demanding industrial applications.

Application

Industrial Uses of 71934 ACD/P4ATBTA Bearing
71934 ACD/P4ATBTA 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 high-speed operations.

In aerospace applications, 71934 ACD/P4ATBTA Bearing supports critical components like turbine shafts, thanks to its extra light preload and P4A tolerance class. The chrome steel construction provides durability under extreme conditions.

For automation systems, 71934 ACD/P4ATBTA Bearing is a reliable choice for robotic arms, offering smooth movement and long service life. The matched arrangement of three bearings enhances stability in dynamic loads.

Medical imaging devices benefit from 71934 ACD/P4ATBTA Bearing’s precision, ensuring consistent performance in scanners and diagnostic equipment. The open design allows for easy lubrication, maintaining efficiency over time.

In electric motors, 71934 ACD/P4ATBTA Bearing handles high radial loads while maintaining low noise levels. Its metric sizing makes it compatible with a variety of motor designs across different industries.

Q&A

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