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Super Precision Angular Contact Ball Bearings S71911 ACB/HCP4ADT

Super Precision Angular Contact Ball Bearings S71911 ACB/HCP4ADT

The S71911 ACB/HCP4ADT 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 comes in a matched set of two bearings for balanced performance.

This bearing handles radial loads up to 3442 lbf and reaches speeds of 34,000 RPM, thanks to its ceramic balls and phenolic cage. The sealed design keeps grease in and contaminants out, ensuring smooth operation.

Its P4A tolerance class guarantees high precision, making it suitable for applications like machine tool spindles or high-speed robotics. The preload option adds stability under demanding conditions.

Weighing just 0.36kg, it’s lightweight yet robust. It operates in temperatures from -30°C to 110°C, offering reliable performance in various environments. Compatible with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71911 ACB/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 5.556 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • 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 3442 lbf
  • Static Radial Load 3442 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.36 kg
Super Precision Angular Contact Ball Bearings S71911 ACB/HCP4ADT dimension drawing
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Features

Performance Features of S71911 ACB/HCP4ADT Bearing

S71911 ACB/HCP4ADT Bearing is designed with a 25° contact angle, ideal for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability and reduce friction during high-speed operation.

The sealed design and grease lubrication ensure smooth performance, even at speeds up to 34,000 rpm.
With a dynamic radial load capacity of 3442 lbf, it handles demanding tasks reliably.

The phenolic cage maintains ball alignment, extending the bearing’s service life.
Its precision P4A tolerance class ensures consistent performance in critical applications.

S71911 ACB/HCP4ADT Bearing operates efficiently within a temperature range of -30°C to 110°C.
The matched arrangement of two bearings provides added stability for complex load requirements.

Application

Industrial Uses of S71911 ACB/HCP4ADT Bearing
S71911 ACB/HCP4ADT 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 ideal for applications requiring smooth operation.

In automotive systems, S71911 ACB/HCP4ADT Bearing supports components like electric motors and transmissions, where its sealed design protects against contaminants. The matched arrangement also enhances stability under angular loads.

For medical imaging devices, S71911 ACB/HCP4ADT Bearing’s phenolic cage and grease lubrication provide quiet and reliable operation. Its P4A tolerance class ensures consistent performance in sensitive equipment.

Automation and robotics benefit from S71911 ACB/HCP4ADT Bearing’s high-speed capabilities, particularly in robotic arms and CNC machines. The preload option further improves precision in dynamic applications.

In consumer electronics, S71911 ACB/HCP4ADT Bearing is found in high-performance printers and scanners, where its durability and low maintenance are valued. The temperature range also makes it suitable for various operating conditions.

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