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Super Precision Angular Contact Ball Bearings S71924 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings S71924 ACD/P4ADBA

The S71924 ACD/P4ADBA is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 26775 lbf and operates smoothly at speeds up to 11000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle and extra-light preload make it ideal for high-precision applications.

This bearing comes in a matched set of two, arranged back-to-back for balanced load distribution. It’s suitable for machinery like spindles or CNC equipment where accuracy and speed are crucial.

Weighing 2.42kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it ensures reliable performance in temperatures from -30°C to 110°C.

Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades. The grease lubrication simplifies maintenance, making it a favourite among engineers and technicians.

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Product Parameters

  • Part Number S71924 ACD/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 44 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 26775 lbf
  • Static Radial Load 38925 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 2.42 kg
Super Precision Angular Contact Ball Bearings S71924 ACD/P4ADBA dimension drawing
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Features

Why Choose S71924 ACD/P4ADBA Bearing for Precision Tasks?

S71924 ACD/P4ADBA Bearing features a 25° contact angle, ensuring precise load distribution in angular contact applications.
Its chrome steel rings and balls provide high resistance to wear, maintaining accuracy over time.

The sealed design and phenolic cage enhance durability, even in demanding conditions.
With a dynamic radial load capacity of 26775 lbf, it handles heavy loads smoothly.

S71924 ACD/P4ADBA Bearing reaches speeds up to 11,000 rpm, balancing performance and reliability.
Its extra light preload ensures minimal friction, ideal for precision machinery.

Application

Industrial Uses of S71924 ACD/P4ADBA Bearing
S71924 ACD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps keep contaminants out, extending service life in demanding environments.

In aerospace applications, S71924 ACD/P4ADBA Bearing supports critical components like turbine shafts, thanks to its extra-light preload and P4A tolerance class. The matched arrangement of two bearings enhances stability during high-speed operations.

For robotics, S71924 ACD/P4ADBA Bearing’s phenolic cage reduces friction, making it ideal for articulated arms requiring smooth movement. Its grease lubrication ensures consistent performance even in continuous operation cycles.

Medical imaging systems benefit from S71924 ACD/P4ADBA Bearing’s chrome steel construction, which provides reliable performance in precision equipment. The 25° contact angle helps manage both radial and axial loads effectively.

In automation lines, S71924 ACD/P4ADBA Bearing’s high dynamic radial load capacity makes it suitable for conveyor drives and indexing tables. The metric sizing ensures compatibility with a wide range of industrial machinery.

Q&A

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