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Super Precision Angular Contact Ball Bearings 7005 ACE/P4A

Super Precision Angular Contact Ball Bearings 7005 ACE/P4A

The 7005 ACE/P4A is a super precision angular contact ball bearing with a 25mm bore and 47mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 1784 lbf and operates smoothly at high speeds of up to 63,000 RPM.

With a 25° contact angle and open design, it offers excellent performance for angular loads. The phenolic cage ensures quiet operation and long service life, even in demanding conditions.

This bearing is lubricated for easy maintenance and works well in temperatures from -30°C to 110°C. Its P4 tolerance class (equivalent to ABEC-7) guarantees high precision for critical applications.

Ideal for use in machine tools, spindles, or other high-speed equipment where precision and reliability are essential. Weighing just 0.074kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 7005 ACE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.005mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 14
  • Contact Angle 25°
  • 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 1784 lbf
  • Static Radial Load 878 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 63000 rpm
  • Weight 0.074 kg
  • Price（$） 111.753
Super Precision Angular Contact Ball Bearings 7005 ACE/P4A dimension drawing
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Features

Engineered for Precision: 7005 ACE/P4A Bearing

7005 ACE/P4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.

Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 1784 lbf, it handles demanding tasks with ease.

The P4 tolerance class guarantees exceptional accuracy, making it suitable for precision machinery.

Application

Key Fields for 7005 ACE/P4A Bearing
7005 ACE/P4A Bearing is commonly used in machine tools, where its high precision and angular contact design ensure accurate spindle rotation. The open seal allows for easy lubrication, extending service life in demanding conditions.

What Makes 7005 ACE/P4A Bearing a Preferred Choice?
In robotics, 7005 ACE/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its 25° contact angle efficiently handles combined radial and axial loads.

Perfect Fit for Automation: 7005 ACE/P4A Bearing
This bearing suits 3D printers, maintaining positional accuracy during high-speed printing. The ABEC-7 tolerance guarantees consistent performance across repetitive tasks.

Medical vs Industrial: Where 7005 ACE/P4A Bearing Excels
While ideal for dental drill handpieces due to its quiet operation, 7005 ACE/P4A Bearing also performs well in industrial pumps. Its chrome steel construction resists wear in both environments.

How Does 7005 ACE/P4A Bearing Support High-Speed Operations?
With a max speed of 63,000 rpm, this bearing is reliable in small electric motors for appliances. The balanced load distribution prevents overheating during prolonged use.

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