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Super Precision Angular Contact Ball Bearings 7052 ACD/P4A

Super Precision Angular Contact Ball Bearings 7052 ACD/P4A

The 7052 ACD/P4A is a super precision angular contact ball bearing with a 260mm bore and 400mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 89325 lbf and operates smoothly at speeds up to 4500 RPM.

With a 25° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, ensuring long service life.

This bearing is ideal for high-precision applications like machine tool spindles or industrial robotics. It comes preloaded for immediate use and performs well in temperatures from -30°C to 110°C.

Weighing 25.6kg, it’s robust yet designed for precision. Compliant with P4A tolerance standards, it’s a reliable choice for demanding environments.

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Product Parameters

  • Part Number 7052 ACD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 260 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 400 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 65 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 44.45 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 89325 lbf
  • Static Radial Load 135000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 4500 rpm
  • Weight 25.6 kg
Super Precision Angular Contact Ball Bearings 7052 ACD/P4A dimension drawing
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Features

How Is 7052 ACD/P4A Bearing Engineered for Reliability?

7052 ACD/P4A Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel construction ensures durability under high dynamic radial loads up to 89,325 lbf.

The phenolic cage maintains ball alignment, reducing friction and wear during operation.
With a maximum speed of 4,500 rpm, it delivers consistent performance in precision applications.

7052 ACD/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its P4A tolerance class guarantees high precision, making it suitable for demanding industrial uses.

Application

Industrial Uses of 7052 ACD/P4A Bearing
The 7052 ACD/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation.
Its phenolic cage and chrome steel construction provide stability under heavy radial loads, making it suitable for long operational hours.

Where Is 7052 ACD/P4A Bearing Used?
You’ll often find the 7052 ACD/P4A Bearing in aerospace applications, such as helicopter rotor systems, where precision and reliability are critical.
The P4A tolerance class ensures minimal vibration, which is essential for maintaining performance in demanding environments.

Optimized for Performance: 7052 ACD/P4A Bearing
In robotics, the 7052 ACD/P4A Bearing supports articulated arms, offering smooth movement thanks to its 25° contact angle.
The lubricated design reduces friction, extending the bearing’s lifespan even in high-speed automation tasks.

Automotive vs Aerospace: Applications of 7052 ACD/P4A Bearing
For automotive testing rigs, the 7052 ACD/P4A Bearing handles dynamic loads while maintaining precision.
In aerospace, its ability to withstand extreme conditions makes it a go-to choice for landing gear mechanisms.

Key Fields for 7052 ACD/P4A Bearing
Medical imaging devices benefit from the 7052 ACD/P4A Bearing’s low-noise operation and high load capacity.
The open seal design allows for easy inspection and maintenance, ensuring consistent performance in critical healthcare equipment.

Q&A

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