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Super Precision Angular Contact Ball Bearings S7020 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings S7020 CDGA/HCP4A

The S7020 CDGA/HCP4A is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, measuring 24mm wide. Made from chrome steel rings and ceramic balls, it offers high durability and smooth operation.

This bearing handles radial loads up to 18720 lbf and spins at speeds up to 10000 RPM, thanks to its phenolic cage and grease lubrication. Its 15° contact angle ensures stability under angular loads.

The sealed design keeps contaminants out, while the extra-light preload (Class A) minimises friction. It’s compatible with universal matching in back-to-back, face-to-face, or tandem arrangements.

Ideal for high-precision applications like machine tools or spindles, where low vibration and tight tolerances (P4A) are key. Weighing 1.06kg, it’s robust yet manageable for its size. Works in temperatures from -30°C to 110°C.

Interchangeable with SKF bearings, making replacements straightforward. Suitable for setups requiring matched sets of three bearings.

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Product Parameters

  • Part Number S7020 CDGA/HCP4A
  • 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 24 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 No
  • Number Of Bearings In Matched Set 3
  • 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 18720 lbf
  • Static Radial Load 19125 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 1.06 kg
  • Price（$） 382.221
Super Precision Angular Contact Ball Bearings S7020 CDGA/HCP4A dimension drawing
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Features

How Does S7020 CDGA/HCP4A Bearing Achieve Super Precision?

S7020 CDGA/HCP4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its ceramic balls and phenolic cage reduce friction, ensuring smooth operation at speeds up to 10,000 rpm.

The chrome steel rings provide durability, while the sealed design keeps contaminants out.
With a dynamic radial load capacity of 18,720 lbf, it handles demanding tasks with ease.

S7020 CDGA/HCP4A Bearing operates efficiently in temperatures from -30°C to 110°C.
Its extra light preload ensures minimal vibration, ideal for precision machinery.

The grease lubrication extends maintenance intervals, reducing downtime.
Its P4A tolerance class guarantees consistent performance in critical applications.

Application

Super Precision Angular Contact Ball Bearings S7020 CDGA/HCP4A are commonly used in high-speed machine tools, where their 15° contact angle ensures smooth operation under radial and axial loads. The ceramic balls reduce friction, making them ideal for precision applications.

In automotive systems, S7020 CDGA/HCP4A supports components like electric motors and gearboxes, where its sealed design keeps contaminants out. The extra-light preload helps maintain performance in demanding conditions.

For robotics, S7020 CDGA/HCP4A provides reliable motion control in robotic arms and automated assembly lines. Its phenolic cage offers durability while keeping weight low for efficient movement.

Medical imaging devices benefit from S7020 CDGA/HCP4A’s precision and low friction, ensuring accurate scans. The P4A tolerance class guarantees consistent performance in critical applications.

Q&A

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