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Super Precision Angular Contact Ball Bearings S7021 ACDGB/P4A

Super Precision Angular Contact Ball Bearings S7021 ACDGB/P4A

The S7021 ACDGB/P4A is a super precision angular contact ball bearing with a 105mm bore and 160mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle efficiently manages combined radial and axial loads, making it versatile for demanding setups.

This sealed bearing comes pre-lubricated with grease, allowing smooth operation at speeds up to 10,000 RPM. With a dynamic radial load capacity of 20,340 lbf, it handles heavy-duty applications with ease.

Its phenolic cage ensures quiet performance and durability, while the P4A tolerance class guarantees exceptional precision. The bearing operates reliably in temperatures from -30°C to 110°C.

Ideal for machine tools or high-speed spindles, this model is interchangeable with SKF bearings. Weighing 1.61kg, it’s designed for universal matching in back-to-back, face-to-face, or tandem arrangements.

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Product Parameters

  • Part Number S7021 ACDGB/P4A
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • 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 1.61 kg
Super Precision Angular Contact Ball Bearings S7021 ACDGB/P4A dimension drawing
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Features

Performance Features of S7021 ACDGB/P4A Bearing

S7021 ACDGB/P4A Bearing is crafted with chrome steel rings and balls, offering excellent resistance to radial loads.
Its dynamic radial load capacity reaches 20340 lbf, ensuring stable performance in precision applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 10,000 rpm, it delivers efficient operation in high-speed settings.

S7021 ACDGB/P4A Bearing operates smoothly within a temperature range of -30°C to 110°C.
Its sealed design protects against contaminants, making it suitable for various environments.

The light preload and 25° contact angle ensure precise angular contact performance.
This bearing is ideal for applications requiring high accuracy and reliability.

Application

Industrial Uses of S7021 ACDGB/P4A Bearing
S7021 ACDGB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S7021 ACDGB/P4A Bearing provides smooth motion control for articulated arms, thanks to its light preload and phenolic cage. Its high-speed capability makes it suitable for automated production lines.

For medical imaging devices, S7021 ACDGB/P4A Bearing’s chrome steel components offer reliable operation in critical applications. The P4A tolerance class ensures minimal vibration, which is essential for clear imaging results.

Automotive vs Aerospace: Applications of S7021 ACDGB/P4A Bearing
In automotive systems, S7021 ACDGB/P4A Bearing supports high-performance gearboxes, where its grease lubrication reduces maintenance needs. The metric sizing ensures compatibility with a range of vehicle designs.

Aerospace applications benefit from S7021 ACDGB/P4A Bearing’s ability to handle combined loads in flight control systems. Its temperature range and precision make it a dependable choice for demanding conditions.

What Makes S7021 ACDGB/P4A Bearing a Preferred Choice?
S7021 ACDGB/P4A Bearing is often selected for industrial fans due to its balanced load capacity and durability. The sealed design protects against contaminants, extending service life in harsh environments.

In 3D printers, S7021 ACDGB/P4A Bearing ensures precise linear motion, contributing to consistent print quality. Its phenolic cage reduces friction, enhancing overall efficiency.

Q&A

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