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Super Precision Angular Contact Ball Bearings 7208 ACD/P4ADT

Super Precision Angular Contact Ball Bearings 7208 ACD/P4ADT

The 7208 ACD/P4ADT is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from high-grade chrome steel. It handles radial loads up to 11700 lbf and operates smoothly at speeds up to 41000 RPM.

Its 25° contact angle and matched arrangement (2 bearings << DT) provide excellent stability for angular loads. The phenolic cage ensures quiet operation and durability under high-speed conditions. Preloaded for precision, this bearing is ideal for applications like machine tool spindles or high-performance motors. It works reliably in temperatures from -30°C to 110°C. Weighing 0.75kg, it’s a robust yet manageable size for industrial use. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7208 ACD/P4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 14
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings << DT
  • 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 11700 lbf
  • Static Radial Load 10238 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.75 kg
Super Precision Angular Contact Ball Bearings 7208 ACD/P4ADT dimension drawing
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Features

Why Choose 7208 ACD/P4ADT Bearing for Precision Tasks?

7208 ACD/P4ADT Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 11700 lbf.
The phenolic cage minimises friction, enhancing performance at speeds up to 41,000 rpm.
With a P4A tolerance class, it delivers consistent accuracy in demanding environments.

How Is 7208 ACD/P4ADT Bearing Engineered for Reliability?

7208 ACD/P4ADT Bearing’s matched arrangement of two bearings ensures balanced load distribution and stability.
The chrome steel construction resists wear, while the open design allows for efficient lubrication.
Its preload availability enhances rigidity, making it suitable for high-speed applications.
Operating between -30°C to 110°C, it maintains reliability across a wide temperature range.

What Ensures Smooth Operation in 7208 ACD/P4ADT Bearing?

7208 ACD/P4ADT Bearing’s phenolic cage reduces vibration and noise, promoting quiet performance.
The 14 high-precision chrome steel balls ensure even load distribution and minimal friction.
With a static radial load capacity of 10238 lbf, it handles demanding conditions effortlessly.
Its precise width tolerance of -0.2mm to 0 guarantees a perfect fit in assemblies.

Application

Industrial Uses of 7208 ACD/P4ADT Bearing
7208 ACD/P4ADT Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings enhances stability, making it ideal for grinding and milling applications.

Where Is 7208 ACD/P4ADT Bearing Used?
In automotive transmissions, 7208 ACD/P4ADT Bearing handles high-speed rotations and angular loads with ease. Its phenolic cage reduces friction, contributing to smoother gear shifts and longer service life.

Optimized for Performance: 7208 ACD/P4ADT Bearing
7208 ACD/P4ADT Bearing excels in robotics, particularly in articulated arms requiring precise movement. The P4A tolerance class guarantees consistent performance, even under demanding operational conditions.

Medical vs Industrial: Where 7208 ACD/P4ADT Bearing Excels
For medical imaging devices, 7208 ACD/P4ADT Bearing offers reliable performance due to its chrome steel construction. In industrial settings, its high dynamic radial load capacity makes it suitable for heavy machinery.

Practical Applications of 7208 ACD/P4ADT Bearing
7208 ACD/P4ADT Bearing is a popular choice in 3D printers, where its low friction and high-speed capabilities ensure precise layer deposition. The open seal design allows for easy lubrication, maintaining optimal performance over time.

Q&A

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