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Super Precision Angular Contact Ball Bearings 7004 ACDGB/P4A

Super Precision Angular Contact Ball Bearings 7004 ACDGB/P4A

The 7004 ACDGB/P4A is a super precision angular contact ball bearing with a 20mm bore and 42mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and is designed for angular loads, handling up to 1872 lbf dynamically.

With a phenolic cage and open design, it spins smoothly at speeds up to 103,000 RPM. The light preload (Class B) ensures quiet operation and reduced friction.

This bearing works well in temperatures from -30°C to 110°C and is lubricated for long-lasting performance. It can be arranged back-to-back, face-to-face, or tandem for versatile applications.

Ideal for high-precision machinery like spindles or CNC equipment, where accuracy and speed are crucial. Weighing just 0.068kg, it’s lightweight yet robust for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7004 ACDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 12
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 1872 lbf
  • Static Radial Load 934 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 103000 rpm
  • Weight 0.068 kg
Super Precision Angular Contact Ball Bearings 7004 ACDGB/P4A dimension drawing
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Features

Performance Features of 7004 ACDGB/P4A Bearing

7004 ACDGB/P4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and resistance to wear in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 103,000 rpm, it excels in precision tasks requiring high rotational accuracy.

7004 ACDGB/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its light preload (Class B) ensures consistent performance without excessive rigidity.

The open design allows for easy lubrication, extending the bearing’s service life.
Its dynamic radial load capacity of 1872 lbf makes it suitable for demanding industrial applications.

Application

Key Fields for 7004 ACDGB/P4A Bearing
7004 ACDGB/P4A Bearing is commonly used in machine tools, where its high precision and angular contact design ensure accurate spindle rotation. The open seal type allows for easy lubrication, extending service life in demanding conditions.

In robotics, 7004 ACDGB/P4A Bearing supports articulated arms, providing smooth movement with minimal friction. Its light preload makes it ideal for applications requiring fine control and repeatability.

For medical imaging devices, 7004 ACDGB/P4A Bearing’s phenolic cage reduces vibration, enhancing scan clarity. The chrome steel construction also ensures durability in sterile environments.

Automotive applications include electric power steering systems, where 7004 ACDGB/P4A Bearing handles combined radial and axial loads efficiently. Its metric sizing fits seamlessly into European and Asian vehicle designs.

In 3D printers, 7004 ACDGB/P4A Bearing’s high-speed capability ensures precise layer deposition. The P4A tolerance class guarantees consistent performance over long print runs.

Q&A

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