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Super Precision Angular Contact Ball Bearings 71940 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 71940 CD/P4ADGB

The 71940 CD/P4ADGB is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, crafted from high-quality chrome steel. It measures 200mm×280mm×76mm and weighs 12.2kg, making it sturdy yet manageable for its size.

This bearing handles radial loads up to 76050 lbf and operates smoothly at speeds up to 6300 RPM. Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face setups.

The phenolic cage ensures durability, while the open seal type simplifies maintenance. It performs reliably in temperatures from -30°C to 110°C, suitable for demanding environments.

Ideal for precision machinery like spindles or high-speed tools, this bearing is interchangeable with SKF models. Its P4A tolerance class guarantees exceptional accuracy for critical applications.

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Product Parameters

  • Part Number 71940 CD/P4ADGB
  • 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • 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/P4ADGB dimension drawing
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Features

Performance Features of 71940 CD/P4ADGB Bearing

71940 CD/P4ADGB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls provide strong resistance to both dynamic and static radial loads, reaching up to 76050 lbf and 119250 lbf respectively.

The phenolic cage ensures smooth operation and reduces friction, enhancing the bearing’s efficiency.

With a maximum speed of 6,300 rpm, it maintains reliable performance in high-speed applications.

Application

Industrial Uses of 71940 CD/P4ADGB Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows flexible arrangements like back-to-back or face-to-face mounting.

In aerospace applications, 71940 CD/P4ADGB Bearing handles radial and axial loads in turbine systems, thanks to its phenolic cage and chrome steel construction. Its P4A tolerance class guarantees consistent performance under extreme conditions.

For robotics, this bearing supports articulated arms requiring smooth, low-friction movement. The light preload reduces vibration, making it ideal for precision tasks in automated assembly lines.

Medical imaging devices benefit from 71940 CD/P4ADGB Bearing’s stability during high-speed rotations. The lubricated design ensures quiet operation, crucial for sensitive diagnostic equipment.

In industrial pumps, this bearing’s dynamic radial load capacity extends service life even under continuous operation. Its metric sizing simplifies integration into European and Asian machinery designs.

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