+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings S71911 ACE/HCP4A

Super Precision Angular Contact Ball Bearings S71911 ACE/HCP4A

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

This bearing handles radial loads up to 3330 lbf and reaches speeds of 25,000 RPM, thanks to its phenolic cage and preload availability. The sealed design keeps lubrication in place for consistent performance.

Ideal for high-precision applications like machine tool spindles or medical equipment, it operates in temperatures from -30°C to 110°C. Its P4 tolerance class ensures exceptional accuracy.

Weighing just 0.15kg, it’s a lightweight yet robust choice for demanding environments. Compatible with SKF bearings, it offers reliable interchangeability.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number S71911 ACE/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 21
  • 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 3330 lbf
  • Static Radial Load 2250 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 25000 rpm
  • Weight 0.15 kg
  • Price（$） 527.841
Super Precision Angular Contact Ball Bearings S71911 ACE/HCP4A dimension drawing
Download DWG Download PDF

Features

Performance Features of S71911 ACE/HCP4A Bearing

S71911 ACE/HCP4A Bearing features a 25° contact angle, optimised for precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation at high speeds up to 25,000 rpm.

The phenolic cage maintains ball alignment, reducing friction and wear.
With a dynamic radial load capacity of 3330 lbf, it handles demanding tasks reliably.

Pre-lubricated and sealed, S71911 ACE/HCP4A Bearing requires minimal maintenance.
Its P4 tolerance class guarantees high precision for critical applications.

Operating between -30° to 110°C, S71911 ACE/HCP4A Bearing performs consistently in varied conditions.
The compact 55mm×80mm×13mm size makes it ideal for space-constrained installations.

Application

Super Precision Angular Contact Ball Bearings S71911 ACE/HCP4A is commonly used in high-speed machine tools, where its 25° contact angle ensures smooth operation under radial and axial loads. The ceramic balls reduce friction, making it ideal for precision applications.

In robotics, S71911 ACE/HCP4A provides reliable performance in articulated arms, thanks to its phenolic cage and sealed design. This helps maintain accuracy even in demanding automated processes.

For medical imaging devices, S71911 ACE/HCP4A’s P4 tolerance class ensures minimal vibration, crucial for clear and stable results. The lubricated design also extends its service life in continuous-use environments.

In electric motors, S71911 ACE/HCP4A supports high-speed rotations up to 25,000 rpm, making it a dependable choice for energy-efficient systems. Its chrome steel rings add durability under varying temperatures.

Q&A

SEND INQUIRY