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Super Precision Angular Contact Ball Bearings 7011 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings 7011 ACEGA/HCP4A

The 7011 ACEGA/HCP4A is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and ceramic balls ensure smooth operation under angular loads.

This bearing handles dynamic radial loads up to 3578 lbf and spins at impressive speeds up to 34,000 RPM. The phenolic cage provides stability, while the open design allows for easy lubrication.

With an extra-light preload (Class A), it offers precise performance in demanding applications. The bearing works reliably in temperatures from -30°C to 110°C.

Ideal for high-speed machinery like spindles or CNC equipment, this model is interchangeable with SKF bearings. Weighing 0.36kg, it’s suitable for matched arrangements in back-to-back, face-to-face, or tandem configurations.

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Product Parameters

  • Part Number 7011 ACEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • 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°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.36 kg
  • Price（$） 1.782
Super Precision Angular Contact Ball Bearings 7011 ACEGA/HCP4A dimension drawing
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Features

Performance Features of 7011 ACEGA/HCP4A Bearing

7011 ACEGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact performance, ideal for complex load conditions.
The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 34,000 rpm, it delivers reliable performance in high-speed applications.

How Does 7011 ACEGA/HCP4A Bearing Reduce Friction?

7011 ACEGA/HCP4A Bearing uses ceramic balls and a phenolic cage to minimise friction during operation.
The extra light preload ensures smooth movement, making it suitable for precision tasks.
Its open design allows for easy lubrication, further reducing wear and tear.
The P4A tolerance class guarantees consistent performance in demanding environments.

Engineered for Precision: 7011 ACEGA/HCP4A Bearing

7011 ACEGA/HCP4A Bearing is designed for applications requiring super precision and reliability.
The chrome steel rings and ceramic balls work together to handle dynamic radial loads up to 3578 lbf.
Its temperature range of -30°C to 110°C ensures stable performance in various conditions.
The universal matching feature allows flexible arrangement options for different setups.

Steel vs Ceramic Bearings: Strengths of 7011 ACEGA/HCP4A Bearing

7011 ACEGA/HCP4A Bearing combines chrome steel rings with ceramic balls for enhanced performance.
This hybrid design reduces weight and increases speed capabilities compared to all-steel bearings.
The ceramic balls also provide better resistance to wear and lower friction.
With a static radial load capacity of 2610 lbf, it offers reliable support in precision applications.

Application

Essential Roles of 7011 ACEGA/HCP4A Bearing
7011 ACEGA/HCP4A Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 25° contact angle ensures stable performance under angular loads.

Where Is 7011 ACEGA/HCP4A Bearing Used?
In robotics, 7011 ACEGA/HCP4A Bearing provides precision movement in joints and arms, thanks to its P4A tolerance class. The open design allows for easy lubrication, extending service life in demanding applications.

Optimized for Performance: 7011 ACEGA/HCP4A Bearing
For aerospace applications, 7011 ACEGA/HCP4A Bearing handles high speeds and light loads in components like gyroscopes. Its chrome steel rings and ceramic balls offer excellent durability and corrosion resistance.

Automotive vs Aerospace: Applications of 7011 ACEGA/HCP4A Bearing
In automotive systems, 7011 ACEGA/HCP4A Bearing supports gearbox components, where its extra-light preload ensures smooth shifting. In aerospace, it’s favoured for its ability to maintain precision under extreme conditions.

Practical Applications of 7011 ACEGA/HCP4A Bearing
7011 ACEGA/HCP4A Bearing is ideal for medical imaging devices, where its low vibration and high-speed capabilities are crucial. The metric sizing makes it compatible with a range of European and Asian equipment.

Q&A

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