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Super Precision Angular Contact Ball Bearings S7020 ACDGA/P4A

Super Precision Angular Contact Ball Bearings S7020 ACDGA/P4A

The S7020 ACDGA/P4A 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 17842 lbf and spins smoothly at speeds up to 16250 RPM.

Its sealed design keeps grease in place, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle provides excellent stability under angular loads.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy is key. It operates in temperatures from -30°C to 110°C and comes preloaded for extra light performance.

Weighing 1.27kg, it’s part of a versatile set that can be arranged back-to-back, face-to-face, or tandem. Compliant with P4A tolerance standards for reliable precision.

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Product Parameters

  • Part Number S7020 ACDGA/P4A
  • 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 Chrome Steel
  • 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 1.27 kg
Super Precision Angular Contact Ball Bearings S7020 ACDGA/P4A dimension drawing
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Features

Performance Features of S7020 ACDGA/P4A Bearing

S7020 ACDGA/P4A Bearing is crafted with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability and consistent performance under high-speed conditions.

The phenolic cage in S7020 ACDGA/P4A Bearing reduces friction and wear, enhancing operational smoothness.
With a maximum speed of 16,250 rpm, it excels in precision applications requiring high rotational accuracy.

S7020 ACDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance needs while protecting against contaminants.

Application

Essential Roles of S7020 ACDGA/P4A Bearing
S7020 ACDGA/P4A Bearing is commonly 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 ACDGA/P4A Bearing provides smooth motion control for articulated arms, thanks to its extra light preload and phenolic cage. Its 25° contact angle offers excellent radial and axial load support.

For medical imaging devices like CT scanners, S7020 ACDGA/P4A Bearing’s P4A tolerance class delivers the precision needed for consistent operation. The chrome steel rings and balls enhance durability in demanding clinical settings.

Where Is S7020 ACDGA/P4A Bearing Used?
You’ll find S7020 ACDGA/P4A Bearing in aerospace applications, such as helicopter rotor systems, where its high-speed capability and grease lubrication are key. The metric sizing ensures compatibility with European aircraft components.

In industrial automation, S7020 ACDGA/P4A Bearing supports linear actuators and CNC machinery, offering reliable performance under varying loads. Its universal matching feature allows flexible arrangement options for different setups.

Built for Heavy-Duty Use: S7020 ACDGA/P4A Bearing
S7020 ACDGA/P4A Bearing handles heavy loads in construction equipment like excavators, where its dynamic radial load capacity of 17842 lbf is essential. The temperature range of -30°C to 110°C ensures reliability in harsh conditions.

For printing machinery, S7020 ACDGA/P4A Bearing’s precision reduces vibration, resulting in sharper print quality. The phenolic cage minimises friction, extending the bearing’s service life.

Automotive vs Aerospace: Applications of S7020 ACDGA/P4A Bearing
In automotive transmissions, S7020 ACDGA/P4A Bearing supports gear shafts with its angular contact design, ensuring smooth shifts. The sealed type prevents contamination from road debris.

For aerospace landing gear systems, S7020 ACDGA/P4A Bearing’s high-speed rating and P4A tolerance meet strict aviation standards. Its lightweight construction also helps reduce overall aircraft weight.

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