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Super Precision Angular Contact Ball Bearings S7011 ACE/HCP4A

Super Precision Angular Contact Ball Bearings S7011 ACE/HCP4A

The S7011 ACE/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from chrome steel and ceramic balls. It handles radial loads up to 3578 lbf and reaches speeds of 23,000 RPM, making it suitable for high-performance applications.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures smooth operation. The 25° contact angle provides excellent load distribution, ideal for precision machinery.

This bearing is interchangeable with SKF models and comes with preload options for matched arrangements. Perfect for use in CNC spindles or high-speed robotics where accuracy is key.

Weighing 0.37kg, it’s lightweight yet durable, with a temperature range of -30°C to 110°C. Compliant with P4 tolerance standards for reliable performance.

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Product Parameters

  • Part Number S7011 ACE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3578 lbf
  • Static Radial Load 2610 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 23000 rpm
  • Weight 0.37 kg
  • Price（$） 398.664
Super Precision Angular Contact Ball Bearings S7011 ACE/HCP4A dimension drawing
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Features

Performance Features of S7011 ACE/HCP4A Bearing

S7011 ACE/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision and durability.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds.
With a maximum speed of 23,000 rpm, it delivers reliable performance in demanding conditions.

S7011 ACE/HCP4A Bearing’s sealed design protects against contaminants, extending its service life.
Its P4 tolerance class ensures high precision, making it suitable for critical applications.

The bearing’s dynamic radial load capacity of 3578 lbf provides strength under heavy loads.
Pre-lubricated for immediate use, it simplifies installation and reduces maintenance needs.

Application

Key Fields for S7011 ACE/HCP4A Bearing
S7011 ACE/HCP4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The ceramic balls reduce friction, making it ideal for applications demanding smooth rotation.

In robotics, S7011 ACE/HCP4A Bearing supports articulated arms, providing stability and load capacity for repetitive movements. Its sealed design also helps keep contaminants out, extending service life in dusty environments.

For medical imaging devices, S7011 ACE/HCP4A Bearing’s phenolic cage and P4 tolerance deliver quiet, vibration-free operation. This makes it suitable for sensitive equipment where minimal noise is critical.

Automotive applications like electric vehicle motors benefit from S7011 ACE/HCP4A Bearing’s high-speed capability and lubricated design. The matched arrangement option further enhances performance in paired installations.

In aerospace systems, S7011 ACE/HCP4A Bearing’s temperature resistance and lightweight construction contribute to reliable operation under demanding conditions. The chrome steel rings ensure durability in critical flight components.

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