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Super Precision Angular Contact Ball Bearings S71924 ACD/P4AQGA

Super Precision Angular Contact Ball Bearings S71924 ACD/P4AQGA

The S71924 ACD/P4AQGA 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 43875 lbf and operates smoothly at speeds up to 11000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The bearing comes in a matched set of four, offering flexibility for back-to-back, face-to-face, or tandem arrangements.

With a 25° contact angle and extra-light preload, it’s ideal for high-precision applications like machine tool spindles or aerospace systems. It performs reliably in temperatures from -30°C to 110°C.

Weighing 4.84kg, this bearing is robust yet precise, meeting P4A tolerance standards for exceptional accuracy. Interchangeable with SKF bearings, it’s a dependable choice for demanding setups.

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Product Parameters

  • Part Number S71924 ACD/P4AQGA
  • 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 Universal matching
  • Number Of Bearings In Matched Set 4
  • 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 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/P4AQGA dimension drawing
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Features

Performance Features of S71924 ACD/P4AQGA Bearing

S71924 ACD/P4AQGA Bearing is crafted with chrome steel rings and balls, ensuring durability and precision.
Its 25° contact angle provides excellent radial and axial load handling.

The sealed design and phenolic cage enhance performance in high-speed applications.
With a maximum speed of 11,000 rpm, it maintains reliability under demanding conditions.

Universal matching allows flexible arrangement options like back-to-back or face-to-face.
This versatility makes S71924 ACD/P4AQGA Bearing suitable for various industrial uses.

The extra light preload ensures smooth operation and reduces friction.
Its dynamic radial load capacity of 43875 lbf guarantees long-lasting performance.

Application

Super Precision Angular Contact Ball Bearings S71924 ACD/P4AQGA are commonly used in high-speed machine tools, where their 25° contact angle ensures smooth operation under radial and axial loads. The sealed design helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

In aerospace applications, S71924 ACD/P4AQGA Bearings provide reliable performance in components like jet engine gearboxes, thanks to their phenolic cage and grease lubrication. Their universal matching capability allows for flexible arrangements in tight spaces.

For robotics, S71924 ACD/P4AQGA Bearings offer precise movement in robotic arms, where low friction and high-speed capabilities are essential. The P4A tolerance class ensures consistent accuracy, even under heavy loads.

In medical imaging devices, these bearings contribute to smooth, vibration-free operation, crucial for clear scans. The chrome steel construction provides durability, while the extra-light preload minimises noise.

Automotive testing equipment benefits from S71924 ACD/P4AQGA Bearings’ ability to handle dynamic loads, making them ideal for durability testing rigs. Their metric sizing ensures compatibility with European and Asian machinery standards.

Q&A

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