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Super Precision Angular Contact Ball Bearings S71924 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings S71924 ACD/P4AQBCA

The S71924 ACD/P4AQBCA 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 25° contact angle and extra-light preload make it ideal for high-precision applications.

This bearing comes in a matched set of four, optimised for balanced load distribution. It works well in temperatures from -30°C to 110°C and is interchangeable with SKF models.

Weighing 4.84kg, it’s suited for demanding machinery like spindles or CNC equipment where precision and reliability are key. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number S71924 ACD/P4AQBCA
  • 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 <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 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/P4AQBCA dimension drawing
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Features

Performance Features of S71924 ACD/P4AQBCA Bearing

S71924 ACD/P4AQBCA Bearing is designed with a 25° contact angle, optimising load distribution for high-precision applications.
The sealed design protects against contaminants, ensuring consistent performance in various environments.

With chrome steel rings and balls, S71924 ACD/P4AQBCA Bearing offers excellent durability and resistance to wear.
Its phenolic cage maintains ball alignment, reducing friction and extending service life.

S71924 ACD/P4AQBCA Bearing can handle dynamic radial loads up to 43875 lbf, making it suitable for demanding tasks.
The extra light preload ensures smooth operation, even at high speeds of 11,000 rpm.

Operating within a temperature range of -30°C to 110°C, S71924 ACD/P4AQBCA Bearing performs reliably in varied conditions.
Its P4A tolerance class guarantees precision, meeting strict industry standards.

Application

Industrial Uses of S71924 ACD/P4AQBCA Bearing
S71924 ACD/P4AQBCA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In automotive applications, S71924 ACD/P4AQBCA Bearing supports high-speed components like electric motor shafts, thanks to its extra light preload and phenolic cage. The metric sizing ensures compatibility with a variety of European and Asian vehicle designs.

For medical imaging devices, S71924 ACD/P4AQBCA Bearing’s chrome steel construction provides reliable operation under consistent radial loads. The P4A tolerance class makes it suitable for applications demanding minimal vibration and noise.

Automation systems benefit from S71924 ACD/P4AQBCA Bearing’s matched arrangement, which enhances stability in robotic arms and CNC machines. The grease lubrication ensures smooth operation even at high speeds.

In consumer electronics, S71924 ACD/P4AQBCA Bearing is found in precision equipment like 3D printers, where its 25° contact angle improves alignment accuracy. The temperature range allows for reliable performance in various operating conditions.

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