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Super Precision Angular Contact Ball Bearings 7011 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 7011 ACD/HCP4A

The 7011 ACD/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 90mm 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 8348 lbf, it handles high speeds up to 26,000 RPM. The phenolic cage ensures durability, while the open design allows for easy lubrication.

This bearing is available with preload and matched arrangements, making it versatile for precise applications. It meets P4 tolerance standards for exceptional accuracy.

Ideal for high-performance machinery like spindles or CNC equipment, it operates reliably between -30°C and 110°C. Weighing 0.32kg, it balances strength and precision.

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Product Parameters

  • Part Number 7011 ACD/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 11.112 mm
  • Ball Qty 18
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 8348 lbf
  • Static Radial Load 6975 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 26000 rpm
  • Weight 0.32 kg
  • Price（$） 332.91
Super Precision Angular Contact Ball Bearings 7011 ACD/HCP4A dimension drawing
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Features

Performance Features of 7011 ACD/HCP4A Bearing

7011 ACD/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation with minimal friction.

The phenolic cage maintains ball alignment, enhancing durability under dynamic radial loads up to 8348 lbf.
With a maximum speed of 26,000 rpm, it delivers reliable performance in demanding conditions.

7011 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class guarantees precision, making it suitable for high-accuracy machinery.

Application

Essential Roles of 7011 ACD/HCP4A Bearing
7011 ACD/HCP4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 7011 ACD/HCP4A Bearing supports articulated arms, providing stability and precision in repetitive movements. Its phenolic cage offers lightweight durability, perfect for automated systems.

For aerospace components, 7011 ACD/HCP4A Bearing handles both radial and axial loads efficiently. The P4 tolerance class ensures reliability in critical flight systems, where performance is non-negotiable.

Medical imaging devices benefit from 7011 ACD/HCP4A Bearing’s low vibration and high-speed capabilities. The chrome steel rings and ceramic balls work together to deliver consistent, quiet operation.

In electric vehicle motors, 7011 ACD/HCP4A Bearing’s lubricated design reduces wear, extending service life. Its metric sizing fits seamlessly into European and Asian automotive designs.

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