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Super Precision Angular Contact Ball Bearings 7004 CD/P4ATBTC

Super Precision Angular Contact Ball Bearings 7004 CD/P4ATBTC

The 7004 CD/P4ATBTC 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 4185 lbf and operates smoothly at speeds up to 63,000 RPM.

Its 15° contact angle and matched set of three bearings (arranged <> TBT) provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

Preloaded for moderate stiffness (Class C), this bearing is ideal for high-precision applications like machine tool spindles or robotics. It works reliably in temperatures from -30°C to 110°C.

Weighing just 0.2kg, it’s a lightweight yet robust solution for demanding setups. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7004 CD/P4ATBTC
  • 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 36 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 4185 lbf
  • Static Radial Load 2902 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 63000 rpm
  • Weight 0.2 kg
Super Precision Angular Contact Ball Bearings 7004 CD/P4ATBTC dimension drawing
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Features

Performance Features of 7004 CD/P4ATBTC Bearing

7004 CD/P4ATBTC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls provide strong resistance to wear, ensuring reliable performance.

The phenolic cage maintains ball alignment, reducing friction and extending service life.

With a maximum speed of 63,000 rpm, it delivers both precision and efficiency.

Application

Industrial Uses of 7004 CD/P4ATBTC Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload also helps maintain stability during heavy cutting operations.

In robotics, 7004 CD/P4ATBTC Bearing supports articulated arms, providing smooth movement with minimal friction. Its phenolic cage reduces vibration, making it ideal for repetitive tasks.

For medical imaging devices, 7004 CD/P4ATBTC Bearing’s P4A tolerance class delivers the precision needed for consistent scans. The chrome steel construction ensures long-term reliability in sterile environments.

Automotive applications include electric power steering systems, where 7004 CD/P4ATBTC Bearing handles combined radial and axial loads efficiently. The matched set arrangement further enhances performance in compact spaces.

Q&A

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