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Super Precision Angular Contact Ball Bearings 7004 CD/P4ADBC

Super Precision Angular Contact Ball Bearings 7004 CD/P4ADBC

The 7004 CD/P4ADBC is a super precision angular contact ball bearing with a 20mm bore and 42mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 3150 lbf and operates smoothly at speeds up to 121,000 RPM.

With a 15° contact angle and moderate preload, it offers excellent stability for high-precision applications. The open design and phenolic cage ensure reliable performance under demanding conditions.

This matched set of two bearings (DB arrangement) is ideal for machine tools or spindle drives where accuracy is crucial. It works in temperatures from -30°C to 110°C.

Weighing just 0.14kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7004 CD/P4ADBC
  • 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 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 12
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3150 lbf
  • Static Radial Load 1912 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 121000 rpm
  • Weight 0.14 kg
Super Precision Angular Contact Ball Bearings 7004 CD/P4ADBC dimension drawing
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Features

Why Choose 7004 CD/P4ADBC Bearing for Precision Tasks?

7004 CD/P4ADBC Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 3150 lbf, it handles demanding tasks reliably.
The matched arrangement of two bearings provides stability and balanced performance.

Operating at speeds up to 121,000 rpm, it delivers efficiency without compromising precision.
Its P4A tolerance class guarantees consistent accuracy in critical applications.

The open design allows easy lubrication, extending service life.
Its compact size (20 mm×42 mm×24 mm) makes it suitable for space-constrained installations.

Application

Industrial Uses of 7004 CD/P4ADBC Bearing
7004 CD/P4ADBC Bearing is commonly used in machine tools, where its high precision and moderate preload ensure smooth spindle operation. The matched arrangement of two bearings provides stability in demanding industrial environments.

Where Is 7004 CD/P4ADBC Bearing Used?
In automotive applications, 7004 CD/P4ADBC Bearing supports components like electric motors and gearboxes, thanks to its angular contact design. The phenolic cage material offers durability under high-speed conditions.

Built for Heavy-Duty Use: 7004 CD/P4ADBC Bearing
For robotics and automation, 7004 CD/P4ADBC Bearing excels in robotic arms and CNC machines due to its P4A tolerance class. The chrome steel construction ensures long-lasting performance even with frequent use.

Automotive vs Aerospace: Applications of 7004 CD/P4ADBC Bearing
In aerospace, 7004 CD/P4ADBC Bearing handles precise movements in control systems, while in automotive, it’s ideal for transmission units. The open seal type allows for easy lubrication in both fields.

Key Fields for 7004 CD/P4ADBC Bearing
Medical imaging devices benefit from 7004 CD/P4ADBC Bearing’s low noise and high-speed capabilities. Its 15° contact angle provides the necessary accuracy for sensitive equipment.

Q&A

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