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Super Precision Angular Contact Ball Bearings 7208 ACD/P4ADGB

Super Precision Angular Contact Ball Bearings 7208 ACD/P4ADGB

The 7208 ACD/P4ADGB is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for light preload applications, offering smooth operation at speeds up to 41,000 RPM.

With a dynamic radial load capacity of 11700 lbf, this bearing is built to handle demanding conditions. Its open design and phenolic cage ensure durability and easy maintenance, while the universal matching allows flexible arrangements like back-to-back or face-to-face.

Ideal for high-precision machinery such as CNC spindles or grinding equipment, it performs reliably in temperatures from -30°C to 110°C. Weighing 0.75kg, it’s a robust yet manageable choice for industrial applications.

The bearing comes in a matched set of two, interchangeable with SKF models, and meets P4A tolerance standards for exceptional accuracy. Its lubricated design ensures long service life with minimal friction.

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Product Parameters

  • Part Number 7208 ACD/P4ADGB
  • 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • 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
  • Price（$） 16.965
Super Precision Angular Contact Ball Bearings 7208 ACD/P4ADGB dimension drawing
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Features

Performance Features of 7208 ACD/P4ADGB Bearing

7208 ACD/P4ADGB Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.
The phenolic cage ensures smooth operation at high speeds, up to 41,000 rpm.
With a dynamic radial load capacity of 11,700 lbf, it delivers reliable performance in precision applications.

Application

Common Applications of 7208 ACD/P4ADGB Bearing
7208 ACD/P4ADGB Bearing is widely used in high-speed machine tools, where its precision and light preload ensure smooth spindle operation. The 25° contact angle helps manage both radial and axial loads effectively.

In robotics, 7208 ACD/P4ADGB Bearing supports articulated arms, offering reliable performance in repetitive motion tasks. Its universal matching feature allows flexible arrangement for different load requirements.

For aerospace applications, 7208 ACD/P4ADGB Bearing’s phenolic cage and chrome steel construction provide durability in demanding conditions. The P4A tolerance class ensures consistent accuracy for critical systems.

Where Is 7208 ACD/P4ADGB Bearing Used?
You’ll often find 7208 ACD/P4ADGB Bearing in CNC machinery, where its high-speed capability and precision are essential. The open design simplifies lubrication and maintenance.

In automotive testing equipment, 7208 ACD/P4ADGB Bearing handles angular loads with ease, making it ideal for dynamometers. Its matched set configuration ensures balanced performance.

Built for Heavy-Duty Use: 7208 ACD/P4ADGB Bearing
7208 ACD/P4ADGB Bearing excels in industrial pumps, where its robust design handles continuous operation. The chrome steel rings and balls resist wear over time.

For packaging machinery, 7208 ACD/P4ADGB Bearing’s high-speed tolerance keeps production lines running smoothly. The phenolic cage reduces friction and heat buildup.

Automotive vs Aerospace: Applications of 7208 ACD/P4ADGB Bearing
In automotive transmissions, 7208 ACD/P4ADGB Bearing manages angular loads efficiently, ensuring smooth gear shifts. Its light preload reduces energy loss.

For aerospace actuators, 7208 ACD/P4ADGB Bearing’s precision and reliability are critical. The P4A tolerance class meets stringent industry standards for performance.

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