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Super Precision Angular Contact Ball Bearings 71940 CD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71940 CD/P4ATBTA

The 71940 CD/P4ATBTA is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 101025 lbf and operates smoothly at speeds up to 6300 RPM.

Its 15° contact angle and matched arrangement of three bearings provide excellent stability for angular loads. The phenolic cage ensures quiet operation and durability under high stress.

Designed for extra light preload, this bearing offers precise performance in demanding applications. It works reliably in temperatures from -30°C to 110°C.

Ideal for machine tools or high-precision industrial equipment where accuracy is crucial. Weighing 18.3kg, it’s robust yet efficient for heavy-duty use. Compliant with P4A tolerance standards for consistent quality.

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Product Parameters

  • Part Number 71940 CD/P4ATBTA
  • 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 114 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 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 101025 lbf
  • Static Radial Load 180000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 6300 rpm
  • Weight 18.3 kg
Super Precision Angular Contact Ball Bearings 71940 CD/P4ATBTA dimension drawing
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Features

Performance Features of 71940 CD/P4ATBTA Bearing

71940 CD/P4ATBTA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 101025 lbf.

The phenolic cage ensures smooth operation, reducing friction and wear during high-speed rotation.
With a maximum speed of 6,300 rpm, it maintains stability in demanding conditions.

71940 CD/P4ATBTA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal resistance, ideal for precision machinery.

The matched arrangement of three bearings (TBT) provides balanced performance.
Its open design allows for easy lubrication, extending service life.

Application

Industrial Uses of 71940 CD/P4ATBTA Bearing
71940 CD/P4ATBTA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of three bearings provides stability in demanding industrial environments.

In aerospace applications, 71940 CD/P4ATBTA Bearing supports critical components like turbine shafts, thanks to its extra-light preload and high dynamic radial load capacity. The phenolic cage material also helps reduce friction at high speeds.

For automation systems, 71940 CD/P4ATBTA Bearing is ideal for robotic arms and CNC machines, where its P4A tolerance class guarantees consistent performance. The open seal type allows for easy lubrication, extending the bearing’s service life.

Medical imaging devices benefit from 71940 CD/P4ATBTA Bearing’s smooth operation and low vibration, ensuring precise movement in scanners and diagnostic equipment. The chrome steel construction adds durability for long-term use.

In heavy machinery, 71940 CD/P4ATBTA Bearing handles radial and axial loads efficiently, making it suitable for presses and large-scale equipment. The metric sizing ensures compatibility with a wide range of industrial systems.

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