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Super Precision Angular Contact Ball Bearings S71911 CE/HCP4ADBA

Super Precision Angular Contact Ball Bearings S71911 CE/HCP4ADBA

The S71911 CE/HCP4ADBA is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 5648 lbf and spins smoothly at speeds up to 34,000 RPM, thanks to its ceramic balls and phenolic cage. The sealed design keeps grease in and contaminants out for reliable operation.

Its extra-light preload ensures minimal friction, making it ideal for high-precision applications like machine tool spindles or high-speed motors. The bearing operates efficiently in temperatures from -30°C to 110°C.

Weighing just 0.29kg, it’s lightweight yet robust, meeting P4A tolerance standards for exceptional accuracy. A great choice for engineers needing reliable performance in demanding environments.

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Product Parameters

  • Part Number S71911 CE/HCP4ADBA
  • 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 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 5648 lbf
  • Static Radial Load 4770 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.29 kg
Super Precision Angular Contact Ball Bearings S71911 CE/HCP4ADBA dimension drawing
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Features

Performance Features of S71911 CE/HCP4ADBA Bearing

S71911 CE/HCP4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The ceramic balls reduce friction, allowing smoother operation at high speeds up to 34,000 rpm.

Its phenolic cage ensures stability, even under dynamic radial loads of 5648 lbf.
The sealed design protects against contaminants, extending maintenance intervals.

With chrome steel rings and ceramic balls, S71911 CE/HCP4ADBA Bearing resists wear in demanding conditions.
The matched arrangement of two bearings provides balanced performance for angular contact loads.

S71911 CE/HCP4ADBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload ensures minimal friction, enhancing precision and longevity.

Application

Key Fields for S71911 CE/HCP4ADBA Bearing
S71911 CE/HCP4ADBA Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

In robotics, S71911 CE/HCP4ADBA Bearing provides smooth motion control in articulated arms, thanks to its extra light preload and sealed design. The matched arrangement of two bearings enhances stability in dynamic applications.

For medical imaging devices, S71911 CE/HCP4ADBA Bearing’s phenolic cage and grease lubrication offer quiet operation, essential for sensitive equipment. Its P4A tolerance class guarantees consistent performance in critical settings.

In automotive testing rigs, S71911 CE/HCP4ADBA Bearing handles high radial loads with ease, ensuring reliable data collection. The temperature range of -30°C to 110°C makes it versatile for various testing conditions.

Q&A

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