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Super Precision Angular Contact Ball Bearings S7021 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings S7021 ACDGA/HCP4A

The S7021 ACDGA/HCP4A is a super precision angular contact ball bearing with a 105mm bore and 160mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 20340 lbf and spins smoothly at speeds up to 10000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet operation. The bearing operates reliably in temperatures from -30°C to 110°C.

With a 25° contact angle and P4A tolerance class, it offers high precision for demanding applications. Ideal for machine tools or high-speed spindles where accuracy is crucial.

Weighing 1.33kg, it’s robust yet manageable for its size. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

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Product Parameters

  • Part Number S7021 ACDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 17.462 mm
  • Ball Qty 21
  • 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 20340 lbf
  • Static Radial Load 20925 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 1.33 kg
Super Precision Angular Contact Ball Bearings S7021 ACDGA/HCP4A dimension drawing
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Features

Performance Features of S7021 ACDGA/HCP4A Bearing

S7021 ACDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

With a dynamic radial load capacity of 20340 lbf, S7021 ACDGA/HCP4A Bearing handles demanding applications effortlessly.
Its extra light preload design ensures smooth operation, even at high speeds up to 10,000 rpm.

S7021 ACDGA/HCP4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
The sealed design protects against contaminants, making it suitable for various environments.

The universal matching capability allows for back-to-back, face-to-face, or tandem arrangements.
This flexibility makes S7021 ACDGA/HCP4A Bearing ideal for complex machinery setups.

Application

Key Fields for S7021 ACDGA/HCP4A Bearing
S7021 ACDGA/HCP4A Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load distribution. The ceramic balls reduce friction, making it ideal for high-speed spindle applications.

In robotics, S7021 ACDGA/HCP4A Bearing provides smooth motion control in articulated arms, thanks to its phenolic cage and sealed design. The extra light preload enhances responsiveness in dynamic automation tasks.

For aerospace components, S7021 ACDGA/HCP4A Bearing’s P4A tolerance class guarantees reliability in critical systems like flight control mechanisms. Its grease lubrication ensures consistent performance across a broad temperature range.

What Makes S7021 ACDGA/HCP4A Bearing a Preferred Choice?
S7021 ACDGA/HCP4A Bearing excels in medical imaging devices, where its chrome steel rings and ceramic balls minimise vibration. The sealed design also protects against contaminants in sterile environments.

In electric vehicle motors, S7021 ACDGA/HCP4A Bearing handles angular loads efficiently, supporting prolonged operation at high RPMs. Its universal matching capability simplifies installation in compact drivetrain layouts.

Q&A

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