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Super Precision Angular Contact Ball Bearings 7020 ACD/HCP4AQBCB

Super Precision Angular Contact Ball Bearings 7020 ACD/HCP4AQBCB

The 7020 ACD/HCP4AQBCB is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 46800 lbf and spins smoothly at speeds up to 15000 RPM.

Its 25° contact angle and ceramic balls reduce friction, while the phenolic cage ensures quiet operation. The set includes four matched bearings with a light preload for balanced performance.

Ideal for high-precision applications like machine tool spindles or robotics, where accuracy is key. It operates reliably in temperatures from -30°C to 110°C.

Weighing 4.18kg, this bearing set is robust yet precise, meeting P4A tolerance standards for exceptional performance. Interchangeable with SKF models for easy replacement.

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Product Parameters

  • Part Number 7020 ACD/HCP4AQBCB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 96 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 22
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 46800 lbf
  • Static Radial Load 72000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 4.18 kg
Super Precision Angular Contact Ball Bearings 7020 ACD/HCP4AQBCB dimension drawing
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Features

How Does 7020 ACD/HCP4AQBCB Bearing Reduce Friction?

7020 ACD/HCP4AQBCB Bearing features ceramic balls and a phenolic cage, significantly reducing friction during operation.
Its 25° contact angle ensures optimal load distribution, enhancing performance in angular contact applications.
The P4A tolerance class guarantees high precision, making it suitable for demanding tasks.
With a maximum speed of 15,000 rpm, it delivers smooth and efficient performance.

Why Choose 7020 ACD/HCP4AQBCB Bearing for Precision Tasks?

7020 ACD/HCP4AQBCB Bearing is designed with chrome steel rings and ceramic balls for superior precision.
The matched arrangement of four bearings ensures consistent performance in high-speed applications.
Its light preload (Class B) minimises vibration, ideal for precision instruments.
The dynamic radial load capacity of 46,800 lbf provides reliability under heavy loads.

Engineered for Precision: 7020 ACD/HCP4AQBCB Bearing

7020 ACD/HCP4AQBCB Bearing’s phenolic cage maintains ball alignment, reducing wear and noise.
The 15.875 mm ceramic balls enhance durability and lower friction in high-speed operations.
With a temperature range of -30°C to 110°C, it performs reliably in various conditions.
Its open design allows for easy lubrication, ensuring long service life.

Steel vs Ceramic Bearings: Strengths of 7020 ACD/HCP4AQBCB Bearing

7020 ACD/HCP4AQBCB Bearing combines chrome steel rings with ceramic balls for balanced performance.
This mix offers excellent durability and reduced friction compared to all-steel designs.
The 22-ball configuration ensures smooth operation under high radial loads.
Its P4A tolerance class makes it a top choice for precision engineering applications.

Application

Essential Roles of 7020 ACD/HCP4AQBCB Bearing
In high-speed machine tools, 7020 ACD/HCP4AQBCB Bearing handles radial and axial loads with precision, thanks to its 25° contact angle and ceramic balls. The phenolic cage reduces friction, making it suitable for continuous operation.

Where Is 7020 ACD/HCP4AQBCB Bearing Used?
You’ll often find 7020 ACD/HCP4AQBCB Bearing in CNC spindles, where its P4A tolerance ensures accuracy. The matched set of four bearings provides stability in demanding applications.

Optimized for Performance: 7020 ACD/HCP4AQBCB Bearing
7020 ACD/HCP4AQBCB Bearing excels in robotics, offering smooth motion in articulated arms. Its light preload reduces vibration, enhancing overall system efficiency.

Automotive vs Aerospace: Applications of 7020 ACD/HCP4AQBCB Bearing
In automotive testing rigs, 7020 ACD/HCP4AQBCB Bearing supports high-speed shafts, while in aerospace, it’s used in gyroscopes for its reliability. The chrome steel rings ensure long service life.

Practical Applications of 7020 ACD/HCP4AQBCB Bearing
For medical imaging devices, 7020 ACD/HCP4AQBCB Bearing provides quiet operation and minimal heat generation. The lubricated design reduces maintenance needs in sensitive environments.

Q&A

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