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Super Precision Angular Contact Ball Bearings 71940 ACD/P4ATBTC

Super Precision Angular Contact Ball Bearings 71940 ACD/P4ATBTC

The 71940 ACD/P4ATBTC is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, designed for high-performance applications. Its 25° contact angle and moderate preload ensure smooth operation under heavy radial loads up to 95175 lbf.

Made from durable chrome steel with a phenolic cage, it offers excellent stability and can handle speeds up to 6300 RPM. The open design allows for easy lubrication, extending its service life in demanding conditions.

This bearing comes in a matched set of three, arranged in a TBT configuration for balanced load distribution. Ideal for precision machinery like spindles or CNC equipment where accuracy and reliability are crucial.

Weighing 18.3kg, it operates efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71940 ACD/P4ATBTC
  • 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 25°
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 95175 lbf
  • Static Radial Load 168750 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 ACD/P4ATBTC dimension drawing
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Features

Performance Features of 71940 ACD/P4ATBTC Bearing

71940 ACD/P4ATBTC Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 95175 lbf, it handles heavy loads efficiently.
The matched arrangement of three bearings enhances stability and performance in demanding setups.

71940 ACD/P4ATBTC Bearing operates smoothly at speeds up to 6,300 rpm.
Its moderate preload (Class C) ensures consistent performance without excessive rigidity.

The open design allows easy lubrication, maintaining optimal performance over time.
Its temperature range of -30°C to 110°C makes it suitable for various operating conditions.

Application

Industrial Uses of 71940 ACD/P4ATBTC Bearing
71940 ACD/P4ATBTC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set configuration provides stability in demanding industrial environments.

In aerospace applications, 71940 ACD/P4ATBTC Bearing supports critical components like turbine shafts, thanks to its moderate preload and high dynamic load capacity. The phenolic cage material helps reduce friction at high speeds.

For automation systems, 71940 ACD/P4ATBTC Bearing is ideal for robotic arms requiring smooth and precise movement. Its chrome steel construction offers durability in continuous operation scenarios.

Medical imaging devices benefit from 71940 ACD/P4ATBTC Bearing’s low tolerance and reliable performance. The open design allows for easy lubrication, ensuring long service life in sensitive equipment.

In high-speed packaging machinery, 71940 ACD/P4ATBTC Bearing handles radial and axial loads efficiently. The P4A tolerance class ensures consistent performance in fast-paced production lines.

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