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Super Precision Angular Contact Ball Bearings S7020 CD/P4ADBA

Super Precision Angular Contact Ball Bearings S7020 CD/P4ADBA

The S7020 CD/P4ADBA is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched set of two bearings for balanced performance.

This model handles radial loads up to 30375 lbf and reaches speeds of 10000 RPM, thanks to its phenolic cage and grease lubrication. Its sealed design keeps contaminants out, ensuring smooth operation.

With an extra-light preload (Class A) and P4A tolerance, it offers high accuracy for demanding applications. The bearing operates reliably in temperatures from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC equipment, where low friction and stability are key. Weighing 2.55kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S7020 CD/P4ADBA
  • 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 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 22
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 30375 lbf
  • Static Radial Load 38250 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 2.55 kg
Super Precision Angular Contact Ball Bearings S7020 CD/P4ADBA dimension drawing
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Features

Performance Features of S7020 CD/P4ADBA Bearing

S7020 CD/P4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 30375 lbf, it handles demanding conditions reliably.

The sealed design and grease lubrication make it suitable for high-speed operations up to 10,000 rpm.

Application

Common Applications of S7020 CD/P4ADBA Bearing
S7020 CD/P4ADBA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S7020 CD/P4ADBA Bearing provides smooth motion control for articulated arms, thanks to its extra light preload and phenolic cage. The matched arrangement of two bearings enhances stability in dynamic applications.

For aerospace components, S7020 CD/P4ADBA Bearing’s chrome steel rings and balls offer durability under radial loads. Its P4A tolerance class makes it suitable for critical systems requiring tight precision.

Where Is S7020 CD/P4ADBA Bearing Used?
S7020 CD/P4ADBA Bearing is commonly found in CNC machining centres, where its high-speed capability and grease lubrication ensure long service life. The 15° contact angle optimises load distribution for heavy cutting operations.

In medical imaging devices, S7020 CD/P4ADBA Bearing’s low-noise operation and precision are essential for clear scans. The temperature range of -30°C to 110°C allows reliable performance in various clinical settings.

Built for Heavy-Duty Use: S7020 CD/P4ADBA Bearing
S7020 CD/P4ADBA Bearing excels in industrial gearboxes, handling both radial and axial loads with ease. The phenolic cage reduces friction, making it energy-efficient for continuous operation.

For 3D printers, S7020 CD/P4ADBA Bearing’s smooth rotation improves print accuracy. The metric dimensions ensure compatibility with a wide range of automated equipment.

Automotive vs Aerospace: Applications of S7020 CD/P4ADBA Bearing
In automotive transmissions, S7020 CD/P4ADBA Bearing supports high-speed shafts with minimal vibration. The sealed design protects against contamination from road debris.

For aircraft landing gear systems, S7020 CD/P4ADBA Bearing’s static radial load capacity ensures safety under extreme conditions. The matched bearing set provides balanced performance in critical aerospace applications.

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