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Super Precision Angular Contact Ball Bearings S7020 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings S7020 ACDGA/HCP4A

The S7020 ACDGA/HCP4A is a super precision angular contact ball bearing with a 100mm bore and 150mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and ceramic balls for smooth operation.
This bearing handles radial loads up to 17842 lbf and spins at speeds up to 16250 RPM, making it suitable for high-performance applications. Its sealed design keeps grease in and contaminants out.
With an extra-light preload and P4A tolerance class, it offers precise movement and low friction. The phenolic cage ensures quiet and stable performance.
Ideal for machine tools or high-speed spindles, it can be paired in back-to-back, face-to-face, or tandem arrangements. Weighing 1.06kg, it’s robust yet manageable for its size.

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Product Parameters

  • Part Number S7020 ACDGA/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 25°
  • 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 17842 lbf
  • Static Radial Load 18000 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 1.06 kg
  • Price（$） 378.531
Super Precision Angular Contact Ball Bearings S7020 ACDGA/HCP4A dimension drawing
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Features

Performance Features of S7020 ACDGA/HCP4A Bearing

S7020 ACDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, enhancing its precision and durability.
The 25° contact angle ensures efficient handling of angular contact loads, suitable for high-precision applications.

With a dynamic radial load capacity of 17842 lbf, S7020 ACDGA/HCP4A Bearing delivers reliable performance under stress.
Its phenolic cage maintains ball alignment, reducing friction and extending operational life.

S7020 ACDGA/HCP4A Bearing operates smoothly at speeds up to 16,250 rpm, thanks to its grease lubrication.
The sealed design protects against contaminants, ensuring consistent performance in various environments.

Designed for universal matching, S7020 ACDGA/HCP4A Bearing offers flexibility in back-to-back, face-to-face, or tandem arrangements.
Its P4A tolerance class guarantees high precision, meeting stringent industrial standards.

Application

Industrial Uses of S7020 ACDGA/HCP4A Bearing
S7020 ACDGA/HCP4A Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design helps keep contaminants out, extending the bearing’s lifespan in demanding conditions.

In robotics, S7020 ACDGA/HCP4A Bearing provides smooth motion control for articulated arms, thanks to its precision P4A tolerance. The angular contact design handles combined radial and axial loads efficiently, making it ideal for dynamic applications.

For aerospace components, S7020 ACDGA/HCP4A Bearing’s lightweight construction and high-speed capability ensure reliable performance in flight control systems. The grease lubrication maintains smooth operation across a wide temperature range.

Automotive vs Aerospace: Applications of S7020 ACDGA/HCP4A Bearing
In automotive systems, S7020 ACDGA/HCP4A Bearing supports high-performance gearboxes, where its extra-light preload minimizes energy loss. The metric sizing ensures compatibility with precision-engineered European models.

Aerospace applications benefit from S7020 ACDGA/HCP4A Bearing’s ability to handle extreme speeds and loads in turbine assemblies. The ceramic balls provide consistent performance even under rapid temperature changes.

What Makes S7020 ACDGA/HCP4A Bearing a Preferred Choice?
S7020 ACDGA/HCP4A Bearing is often selected for medical imaging devices, where its low vibration and high precision are critical. The phenolic cage reduces weight without compromising strength, making it suitable for sensitive equipment.

In 3D printing, S7020 ACDGA/HCP4A Bearing ensures accurate linear motion for print heads, thanks to its tight tolerances. The sealed design also protects against dust and debris in workshop environments.

Q&A

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