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Super Precision Angular Contact Ball Bearings 71911 CE/HCP4ADT

Super Precision Angular Contact Ball Bearings 71911 CE/HCP4ADT

The 71911 CE/HCP4ADT 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 set of two bearings for balanced performance.

This bearing handles radial loads up to 5648 lbf and reaches speeds of 34,000 RPM, thanks to its ceramic balls and phenolic cage. It operates smoothly in temperatures from -30°C to 110°C.

Its open design allows for easy lubrication, while the P4A tolerance class ensures high precision. The matched arrangement (DT) provides stability under angular loads.

Ideal for high-speed applications like machine tool spindles or precision instruments. Weighing just 0.29kg, it’s lightweight yet robust for demanding tasks. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71911 CE/HCP4ADT
  • 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 Open
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • 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 Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.29 kg
Super Precision Angular Contact Ball Bearings 71911 CE/HCP4ADT dimension drawing
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Features

Performance Features of 71911 CE/HCP4ADT Bearing

71911 CE/HCP4ADT Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability and reduce friction during high-speed operation.

The phenolic cage ensures smooth performance, even at maximum speeds of 34,000 rpm.
With a dynamic radial load capacity of 5648 lbf, it handles demanding conditions reliably.

Preload availability in the matched arrangement improves precision and stability.
The P4A tolerance class guarantees consistent performance in high-precision tasks.

71911 CE/HCP4ADT Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its lubricated design reduces maintenance needs while ensuring long service life.

Application

Essential Roles of 71911 CE/HCP4ADT Bearing
71911 CE/HCP4ADT Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The 15° contact angle ensures excellent radial and axial load handling.

In automotive applications, 71911 CE/HCP4ADT Bearing supports precision components like turbochargers and electric motor shafts. Its P4A tolerance class guarantees consistent performance under demanding conditions.

For medical imaging devices, 71911 CE/HCP4ADT Bearing’s chrome steel rings provide durability while maintaining quiet operation. The matched arrangement of two bearings enhances stability in critical systems.

Automation systems benefit from 71911 CE/HCP4ADT Bearing’s preload capability, ensuring precise movement in robotic arms. Its high-speed rating makes it suitable for repetitive, fast-paced tasks.

In aerospace applications, 71911 CE/HCP4ADT Bearing’s lightweight design and temperature resistance make it ideal for navigation systems. The open seal allows for easy lubrication in hard-to-reach areas.

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