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Super Precision Angular Contact Ball Bearings 71940 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 71940 CD/P4ADBC

The 71940 CD/P4ADBC is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, crafted from durable chrome steel. It measures 200mm by 280mm by 76mm, making it a robust yet compact unit for high-precision applications.

This bearing handles radial loads up to 76050 lbf and operates smoothly at speeds up to 6300 RPM. Its 15° contact angle and moderate preload ensure stable performance under angular loads.

The open design allows for easy lubrication, while the phenolic cage enhances durability. It comes as a matched set of two bearings, arranged back-to-back for balanced load distribution.

Ideal for machine tools or high-speed spindles where precision is key. It works in temperatures from -30°C to 110°C and is interchangeable with SKF bearings for easy replacement. Weighing 12.2kg, it’s built for heavy-duty use.

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Product Parameters

  • Part Number 71940 CD/P4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 200 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 280 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 76 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 76050 lbf
  • Static Radial Load 119250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 6300 rpm
  • Weight 12.2 kg
Super Precision Angular Contact Ball Bearings 71940 CD/P4ADBC dimension drawing
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Features

Performance Features of 71940 CD/P4ADBC Bearing

71940 CD/P4ADBC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 76050 lbf.

The phenolic cage ensures smooth operation, reducing friction and wear during high-speed rotations.
With a maximum speed of 6,300 rpm, it delivers reliable performance in precision tasks.

71940 CD/P4ADBC Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its matched arrangement of two bearings provides stability, making it suitable for demanding setups.

Application

Industrial Uses of 71940 CD/P4ADBC Bearing
71940 CD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload and P4A tolerance class make it suitable for applications demanding tight control over radial and axial loads.

Where Is 71940 CD/P4ADBC Bearing Used?
In automotive testing equipment, 71940 CD/P4ADBC Bearing provides reliable performance for dynamic load simulations. Its chrome steel construction and phenolic cage handle high speeds and temperatures with ease.

Built for Heavy-Duty Use: 71940 CD/P4ADBC Bearing
For robotics and automation, 71940 CD/P4ADBC Bearing offers smooth motion in articulated arms and rotary tables. The matched arrangement of two bearings enhances stability in complex movements.

Medical vs Industrial: Where 71940 CD/P4ADBC Bearing Excels
In medical imaging devices, 71940 CD/P4ADBC Bearing ensures quiet and precise operation. Its industrial counterpart shines in heavy machinery, where durability and load capacity are key.

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