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Super Precision Angular Contact Ball Bearings 71940 CDGA/P4A

Super Precision Angular Contact Ball Bearings 71940 CDGA/P4A

The 71940 CDGA/P4A 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 46800 lbf and operates smoothly at speeds up to 6300 RPM.

With a 15° contact angle and open design, it offers excellent performance in high-precision applications. The phenolic cage ensures durability and reduces friction, making it ideal for demanding environments.

This bearing is suitable for temperatures ranging from -30°C to 110°C and comes preloaded for extra light performance. It can be used in matched sets for back-to-back, face-to-face, or tandem arrangements.

Weighing 6.1kg, it’s a robust choice for machine tools, spindles, or other precision machinery. Compliant with P4A tolerance standards, it ensures reliable and accurate operation.

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Product Parameters

  • Part Number 71940 CDGA/P4A
  • 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 38 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 No
  • 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 46800 lbf
  • Static Radial Load 59625 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 6300 rpm
  • Weight 6.1 kg
  • Price（$） 138.69
Super Precision Angular Contact Ball Bearings 71940 CDGA/P4A dimension drawing
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Features

Performance Features of 71940 CDGA/P4A Bearing

71940 CDGA/P4A Bearing is designed with a 15° contact angle, ideal for handling both radial and axial loads efficiently.
Its chrome steel rings and balls ensure durability and reliable performance under high dynamic radial loads of 46800 lbf.

The phenolic cage in 71940 CDGA/P4A Bearing helps maintain ball alignment, reducing friction and wear.
With a maximum speed of 6,300 rpm, it offers smooth operation in precision applications.

71940 CDGA/P4A Bearing operates effectively in temperatures ranging from -30°C to 110°C.
Its open design allows for easy lubrication, ensuring consistent performance over time.

The P4A tolerance class of 71940 CDGA/P4A Bearing guarantees high precision and accuracy.
This makes it suitable for demanding industrial and machinery applications.

Application

Key Fields for 71940 CDGA/P4A Bearing
71940 CDGA/P4A Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The phenolic cage reduces friction, making it ideal for smooth, high-speed operations.

In aerospace applications, 71940 CDGA/P4A Bearing supports critical components like turbine shafts, thanks to its chrome steel construction and extra-light preload. Its P4A tolerance class guarantees consistent performance under demanding conditions.

For automation systems, 71940 CDGA/P4A Bearing excels in robotic arms and CNC machinery, where its open design allows for easy lubrication. The universal matching feature simplifies installation in back-to-back or face-to-face configurations.

Medical imaging devices benefit from 71940 CDGA/P4A Bearing’s low-noise operation and high dynamic load capacity. Its temperature range of -30°C to 110°C ensures reliability in various clinical environments.

In electric motors, 71940 CDGA/P4A Bearing’s balanced design reduces vibration, enhancing efficiency. The 26-ball setup distributes loads evenly, prolonging service life in continuous-duty applications.

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