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Super Precision Angular Contact Ball Bearings S71930 CD/P4AQBCC

Super Precision Angular Contact Ball Bearings S71930 CD/P4AQBCC

The S71930 CD/P4AQBCC is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, designed for high-performance applications. Its sealed design and chrome steel construction ensure durability and smooth operation under heavy loads.

With a 15° contact angle and moderate preload, it handles both radial and axial forces efficiently, supporting dynamic radial loads up to 67950 lbf. The phenolic cage and grease lubrication allow it to spin at speeds up to 11000 RPM.

This bearing comes in a matched set of four, optimised for stability in demanding setups. Ideal for machine tools or high-speed spindles where precision is key.

Weighing 10kg, it’s robust yet suitable for systems requiring tight tolerances. Compliant with P4A standards for reliable performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71930 CD/P4AQBCC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 210 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 112 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 23
  • Contact Angle 15°
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 67950 lbf
  • Static Radial Load 117000 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 10 kg
Super Precision Angular Contact Ball Bearings S71930 CD/P4AQBCC dimension drawing
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Features

Performance Features of S71930 CD/P4AQBCC Bearing

S71930 CD/P4AQBCC Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 67,950 lbf.

Its phenolic cage ensures smooth operation at high speeds, reaching up to 11,000 rpm.
The sealed design and grease lubrication reduce maintenance needs while extending service life.

S71930 CD/P4AQBCC Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
The matched arrangement of four bearings provides balanced performance for angular contact loads.

With a P4A tolerance class, it delivers exceptional accuracy for demanding industrial tasks.
The moderate preload (Class C) ensures stability without compromising flexibility.

Application

Industrial Uses of S71930 CD/P4AQBCC Bearing
S71930 CD/P4AQBCC Bearing is commonly used in high-precision machine tools, where its moderate preload and sealed design ensure consistent performance under angular loads. The phenolic cage adds durability, making it suitable for long operational cycles.

In automotive applications, S71930 CD/P4AQBCC Bearing supports components like high-performance gearboxes, where its P4A tolerance class guarantees precise alignment. The grease lubrication also reduces maintenance needs in demanding conditions.

For automation systems, S71930 CD/P4AQBCC Bearing’s matched arrangement of four bearings provides stability in robotic arms and CNC machines. Its chrome steel construction ensures reliability in high-speed operations.

Medical imaging devices benefit from S71930 CD/P4AQBCC Bearing’s low tolerance and smooth operation, crucial for accurate diagnostics. The temperature range of -30°C to 110°C makes it versatile for various clinical environments.

In aerospace applications, S71930 CD/P4AQBCC Bearing’s dynamic radial load capacity of 67950 lbf ensures reliability in flight control systems. The sealed design also protects against contaminants in harsh conditions.

Q&A

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