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Super Precision Angular Contact Ball Bearings S71924 ACD/P4AQBTC

Super Precision Angular Contact Ball Bearings S71924 ACD/P4AQBTC

The S71924 ACD/P4AQBTC is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from durable chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 43875 lbf.

Its sealed design and grease lubrication ensure smooth operation at speeds up to 11000 RPM, even in temperatures from -30°C to 110°C. The phenolic cage adds durability while keeping the bearing lightweight for its size.

This bearing comes in a matched set of four, preloaded for moderate performance (Class C), making it ideal for high-precision applications like machine tool spindles. Its P4A tolerance class ensures reliable accuracy.

Weighing 4.84kg, it’s robust yet manageable for installations requiring tight tolerances. Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number S71924 ACD/P4AQBTC
  • 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 88 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 4 bearings <>>> QBT
  • Number Of Bearings In Matched Set 4
  • 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 43875 lbf
  • Static Radial Load 77625 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 4.84 kg
Super Precision Angular Contact Ball Bearings S71924 ACD/P4AQBTC dimension drawing
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Features

Engineered for Precision: S71924 ACD/P4AQBTC Bearing

S71924 ACD/P4AQBTC Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under heavy radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 43875 lbf, it handles demanding conditions reliably.

S71924 ACD/P4AQBTC Bearing operates efficiently at speeds up to 11,000 rpm.
Its sealed design and grease lubrication minimise maintenance while ensuring consistent performance.

The matched arrangement of four bearings provides balanced load distribution.
This makes S71924 ACD/P4AQBTC Bearing suitable for precision machinery requiring stability and accuracy.

Application

Key Fields for S71924 ACD/P4AQBTC Bearing
S71924 ACD/P4AQBTC 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 industrial environments.

In aerospace applications, S71924 ACD/P4AQBTC Bearing supports critical components like turbine shafts, thanks to its moderate preload and high-speed capabilities. The matched arrangement of four bearings provides stability under varying loads.

For robotics, S71924 ACD/P4AQBTC Bearing offers smooth motion control in articulated arms, where precision and durability are essential. The phenolic cage reduces friction, enhancing performance in automated systems.

Medical imaging devices benefit from S71924 ACD/P4AQBTC Bearing’s consistent performance, crucial for maintaining alignment in scanners. The chrome steel construction ensures reliability in sterile environments.

In electric vehicle motors, S71924 ACD/P4AQBTC Bearing handles high radial loads while maintaining efficiency. Its grease lubrication simplifies maintenance, making it a practical choice for automotive applications.

Q&A

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