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Super Precision Angular Contact Ball Bearings S71911 CDGC/P4A

Super Precision Angular Contact Ball Bearings S71911 CDGC/P4A

The S71911 CDGC/P4A is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 4388 lbf and spins smoothly at speeds up to 34,000 RPM.

With a 15° contact angle and sealed design, it offers reliable performance in demanding conditions. The phenolic cage ensures quiet operation and long service life, even under moderate preload.

This bearing is ideal for high-precision applications like machine tool spindles or medical equipment. Its P4A tolerance class guarantees exceptional accuracy, while the grease lubrication simplifies maintenance.

Weighing just 0.18kg, it’s lightweight yet robust. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use. Compliant with standard temperature ranges from -30°C to 110°C.

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Product Parameters

  • Part Number S71911 CDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4388 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.18 kg
Super Precision Angular Contact Ball Bearings S71911 CDGC/P4A dimension drawing
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Features

Performance Features of S71911 CDGC/P4A Bearing

S71911 CDGC/P4A Bearing is crafted with chrome steel rings and balls, offering excellent resistance to angular contact loads.
Its dynamic radial load capacity of 4388 lbf ensures reliable performance in high-precision applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 34,000 rpm, it delivers efficient operation for demanding tasks.

S71911 CDGC/P4A Bearing operates smoothly in temperatures from -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance needs, making it a practical choice.

Application

Super Precision Angular Contact Ball Bearings S71911 CDGC/P4A is commonly used in high-speed machine tools, where its moderate preload ensures stable performance during precision operations. The sealed design helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

In automotive applications, S71911 CDGC/P4A supports components like electric motors and gearboxes, thanks to its angular contact design that handles combined loads effectively. The phenolic cage adds durability while reducing friction for smoother operation.

For robotics and automation systems, S71911 CDGC/P4A provides reliable motion control in robotic arms and CNC machines. Its P4A tolerance class ensures the high precision needed for repetitive tasks.

In medical imaging devices, S71911 CDGC/P4A’s chrome steel construction offers consistent performance under moderate loads. The grease lubrication ensures quiet operation, which is essential in sensitive medical environments.

Household appliances like high-end fans benefit from S71911 CDGC/P4A’s balanced design, which reduces vibration and noise. The sealed construction also makes it suitable for environments where dust and moisture are present.

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