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Super Precision Angular Contact Ball Bearings 71930 CD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71930 CD/P4ATBTA

The 71930 CD/P4ATBTA is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 55575 lbf and operates smoothly at speeds up to 11000 RPM.

Its 15° contact angle and matched arrangement of three bearings provide excellent stability for angular loads. The phenolic cage ensures durability and reduces friction during high-speed rotation.

Designed for precision applications, this bearing works well in temperatures from -30°C to 110°C. Ideal for machine tools or spindles where accuracy and reliability are crucial.

Weighing 7.5kg, it’s robust yet suitable for demanding industrial environments. Compliant with P4A tolerance class for superior performance.

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Product Parameters

  • Part Number 71930 CD/P4ATBTA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 210 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 84 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 23
  • Contact Angle 15°
  • 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 55575 lbf
  • Static Radial Load 87750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 7.5 kg
Super Precision Angular Contact Ball Bearings 71930 CD/P4ATBTA dimension drawing
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Features

Performance Features of 71930 CD/P4ATBTA Bearing

71930 CD/P4ATBTA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 55575 lbf.

Its phenolic cage ensures smooth operation, even at high speeds of 11,000 rpm.
The extra light preload (Class A) minimises friction, improving efficiency.

71930 CD/P4ATBTA Bearing operates reliably in temperatures from -30°C to 110°C.
The matched arrangement of three bearings (TBT) provides stability for demanding setups.

With a P4A tolerance class, it delivers consistent performance in precision machinery.
The open design allows for easy lubrication, extending service life.

Application

Industrial Uses of 71930 CD/P4ATBTA Bearing
71930 CD/P4ATBTA Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The matched arrangement of three bearings ensures stability in demanding industrial environments.

What Makes 71930 CD/P4ATBTA Bearing a Preferred Choice?
In automotive applications, 71930 CD/P4ATBTA Bearing supports high-speed spindle systems, thanks to its extra light preload and phenolic cage. The chrome steel construction provides durability under continuous use.

Perfect Fit for Automation: 71930 CD/P4ATBTA Bearing
For robotic arms and automated systems, 71930 CD/P4ATBTA Bearing offers smooth operation with minimal friction. Its P4A tolerance class ensures precision in repetitive tasks.

Medical vs Industrial: Where 71930 CD/P4ATBTA Bearing Excels
In medical imaging devices, 71930 CD/P4ATBTA Bearing’s low vibration and high-speed capability are crucial. Meanwhile, industrial pumps benefit from its robust design and long service life.

Essential Roles of 71930 CD/P4ATBTA Bearing
71930 CD/P4ATBTA Bearing is ideal for aerospace applications, where its temperature range and load capacity meet rigorous standards. The open seal type allows for easy lubrication in maintenance.

Q&A

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