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Super Precision Angular Contact Ball Bearings 71940 CD/HCP4ATGA

Super Precision Angular Contact Ball Bearings 71940 CD/HCP4ATGA

The 71940 CD/HCP4ATGA is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, designed for high-performance applications. Its 15° contact angle and ceramic balls ensure smooth operation under heavy radial loads up to 101025 lbf.

Made from durable chrome steel with a phenolic cage, it offers excellent stability and can handle speeds up to 6300 RPM. The extra light preload (Class A) enhances precision, making it ideal for demanding setups.

This bearing comes in a matched set of three, suitable for universal mounting configurations like back-to-back or face-to-face. It works well in temperatures from -30°C to 110°C and is interchangeable with SKF models.

Weighing 15.3kg, it’s robust yet designed for precision machinery like spindles or high-speed tools. The open design allows easy lubrication, ensuring long service life.

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Product Parameters

  • Part Number 71940 CD/HCP4ATGA
  • 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 Universal matching
  • 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 Ceramic
  • 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 15.3 kg
Super Precision Angular Contact Ball Bearings 71940 CD/HCP4ATGA dimension drawing
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Features

Performance Features of 71940 CD/HCP4ATGA Bearing

71940 CD/HCP4ATGA Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
Its 15° contact angle ensures efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 101025 lbf, it excels in demanding applications.

71940 CD/HCP4ATGA Bearing operates smoothly at speeds up to 6,300 rpm.
Its universal matching design allows flexible arrangement options for various load requirements.

The extra light preload ensures minimal friction and optimal precision.
It performs reliably within a temperature range of -30°C to 110°C.

71940 CD/HCP4ATGA Bearing’s open design simplifies lubrication and maintenance.
Its P4A tolerance class guarantees consistent accuracy in high-precision applications.

Application

Industrial Uses of 71940 CD/HCP4ATGA Bearing
71940 CD/HCP4ATGA Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The ceramic balls reduce friction, making it suitable for high-speed spindle applications.

In aerospace components, 71940 CD/HCP4ATGA Bearing ensures reliable performance in critical systems like turbine shafts. Its universal matching feature allows for flexible arrangements, adapting to various load requirements.

For automation systems, 71940 CD/HCP4ATGA Bearing supports robotic arms with smooth, precise movement. The phenolic cage provides stability, even under continuous operation in demanding environments.

Medical imaging devices benefit from 71940 CD/HCP4ATGA Bearing’s low vibration and high accuracy. The P4A tolerance class ensures consistent performance in sensitive diagnostic equipment.

In electric vehicle motors, 71940 CD/HCP4ATGA Bearing’s extra light preload reduces energy loss. The lubricated design extends service life, even under frequent start-stop cycles.

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