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Super Precision Angular Contact Ball Bearings 7004 CD/P4A

Super Precision Angular Contact Ball Bearings 7004 CD/P4A

The 7004 CD/P4A is a super precision angular contact ball bearing with a 20mm bore and 42mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 1960 lbf and operates smoothly at speeds up to 63,000 RPM.

With a 15° contact angle and open design, it offers excellent performance for angular contact applications. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is preload-ready and meets P4 tolerance class (ABEC-7) for precise engineering needs. It works reliably in temperatures ranging from -30°C to 110°C.

Weighing just 0.068kg, it’s lightweight yet robust, making it suitable for precision tools, spindles, or high-speed machinery. Compatible with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 7004 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.005mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 12
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1960 lbf
  • Static Radial Load 968 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 63000 rpm
  • Weight 0.068 kg
  • Price（$） 37.98
Super Precision Angular Contact Ball Bearings 7004 CD/P4A dimension drawing
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Features

Performance Features of 7004 CD/P4A Bearing

7004 CD/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 1960 lbf.

The phenolic cage ensures smooth operation at high speeds, reaching up to 63,000 rpm.
Precision tolerance class P4 (ABEC-7) guarantees consistent performance in demanding conditions.

7004 CD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, reducing friction and extending service life.

Application

Common Applications of 7004 CD/P4A Bearing
In machine tools, 7004 CD/P4A Bearing handles high-speed spindle rotations with its 15° contact angle, ensuring smooth operation. The phenolic cage reduces friction, making it suitable for precision machining.

Where Is 7004 CD/P4A Bearing Used?
You’ll often find 7004 CD/P4A Bearing in automotive transmissions, where its angular contact design manages combined loads effectively. Its P4 tolerance class ensures reliability in demanding conditions.

Ideal for Precision: 7004 CD/P4A Bearing
For medical imaging devices, 7004 CD/P4A Bearing offers quiet and stable performance. The chrome steel construction provides durability, even in continuous use.

Automotive vs Aerospace: Applications of 7004 CD/P4A Bearing
In cars, 7004 CD/P4A Bearing supports gear systems, while in aerospace, it aids in instrumentation due to its high-speed capability. The open design allows for easy lubrication.

Practical Applications of 7004 CD/P4A Bearing
In robotics, 7004 CD/P4A Bearing ensures precise movement in joints and arms. Its lightweight design (0.068 kg) helps maintain efficiency in automated systems.

Q&A

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