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Super Precision Angular Contact Ball Bearings 7020 ACD/P4ATBTC

Super Precision Angular Contact Ball Bearings 7020 ACD/P4ATBTC

The 7020 ACD/P4ATBTC is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and matched set of three bearings provide excellent stability under angular loads.

This bearing handles dynamic radial loads up to 38700 lbf and reaches speeds of 16000 RPM, making it suitable for high-performance applications. The phenolic cage ensures smooth operation and durability.

With a moderate preload (Class C) and P4A tolerance, it offers precise movement and reduced vibration. The open design allows for easy lubrication and maintenance.

Ideal for machine tools or spindle applications where precision and reliability are key. It operates in temperatures from -30°C to 110°C and weighs 3.79kg. The set is not universally matched, so replacements should be ordered as a complete set.

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Product Parameters

  • Part Number 7020 ACD/P4ATBTC
  • 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 72 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 38700 lbf
  • Static Radial Load 54000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 3.79 kg
Super Precision Angular Contact Ball Bearings 7020 ACD/P4ATBTC dimension drawing
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Features

Performance Features of 7020 ACD/P4ATBTC Bearing

7020 ACD/P4ATBTC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The matched arrangement of three bearings provides enhanced stability under dynamic radial loads up to 38,700 lbf.
With a maximum speed of 16,000 rpm, it delivers reliable performance in high-speed precision tasks.

Precision-ground to P4A tolerance standards, 7020 ACD/P4ATBTC Bearing ensures consistent accuracy.
Its moderate preload (Class C) balances rigidity and operational smoothness for demanding applications.

Application

Industrial Uses of 7020 ACD/P4ATBTC Bearing
This bearing is commonly used in high-precision machine tools, where its moderate preload and angular contact design ensure accurate spindle performance. The matched set of three bearings provides excellent stability for heavy cutting operations.

In robotics, 7020 ACD/P4ATBTC Bearing supports articulated arms, offering smooth movement and durability. Its phenolic cage reduces friction, making it ideal for repetitive, high-speed tasks.

For aerospace applications, 7020 ACD/P4ATBTC Bearing handles radial and axial loads in aircraft components. The P4A tolerance class ensures reliability in critical systems where precision is non-negotiable.

Automotive vs Aerospace: Applications of 7020 ACD/P4ATBTC Bearing
In automotive systems, this bearing is found in performance gearboxes, where its high-speed capability and load capacity are key. The chrome steel construction ensures longevity even under demanding conditions.

Aerospace applications benefit from 7020 ACD/P4ATBTC Bearing’s precision and temperature resistance. It’s often used in flight control systems, where consistent performance is essential.

Q&A

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