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Super Precision Angular Contact Ball Bearings S71911 ACD/HCP4A
Super Precision Angular Contact Ball Bearings S71911 ACD/HCP4A

Super Precision Angular Contact Ball Bearings S71911 ACD/HCP4A

The S71911 ACD/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

With a dynamic radial load capacity of 4095 lbf, it handles high speeds up to 17,000 RPM. The sealed design keeps lubrication in and contaminants out, ensuring long-lasting performance.

Its phenolic cage and P4 tolerance class (ABEC-7) make it ideal for precision applications. Suitable for use in spindles or high-speed machinery where accuracy is key.

Weighing just 0.16kg, it’s lightweight yet durable. Works well in temperatures from -30°C to 110°C and is interchangeable with SKF bearings.

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Product Parameters

  • Part Number S71911 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4095 lbf
  • Static Radial Load 3082 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 17000 rpm
  • Weight 0.16 kg
  • Price($) 527.679

Features

How Does S71911 ACD/HCP4A Bearing Reduce Friction?

S71911 ACD/HCP4A Bearing features ceramic balls that significantly reduce friction during operation.
The phenolic cage ensures smooth movement, enhancing the bearing’s efficiency and lifespan.

With a contact angle of 25°, it effectively handles angular contact loads while maintaining low friction.
Its P4 tolerance class guarantees high precision, making it suitable for demanding applications.

The sealed design keeps contaminants out, ensuring consistent performance over time.
Lubrication is optimised to further minimise friction and wear.

S71911 ACD/HCP4A Bearing can reach speeds up to 17,000 rpm without compromising on smooth operation.
Its chrome steel rings provide durability, even under high dynamic radial loads of 4095 lbf.

Application

Common Applications of S71911 ACD/HCP4A Bearing
S71911 ACD/HCP4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

Where Is S71911 ACD/HCP4A Bearing Used?
In robotics, S71911 ACD/HCP4A Bearing supports articulated arms, providing stability and precision. Its phenolic cage offers durability in repetitive motion scenarios.

Optimized for Performance: S71911 ACD/HCP4A Bearing
For medical imaging devices, S71911 ACD/HCP4A Bearing’s sealed design keeps contaminants out, ensuring reliable operation. The P4 tolerance class guarantees consistent accuracy in sensitive equipment.

Automotive vs Aerospace: Applications of S71911 ACD/HCP4A Bearing
In automotive systems, S71911 ACD/HCP4A Bearing enhances gearbox efficiency, while in aerospace, it supports control mechanisms. Its lightweight design is beneficial in both industries.

Practical Applications of S71911 ACD/HCP4A Bearing
S71911 ACD/HCP4A Bearing is a go-to choice for 3D printers, where its high-speed capability ensures precise layer deposition. The lubricated design minimises maintenance needs.

Q&A

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