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Super Precision Angular Contact Ball Bearings 7008 CEGB/P4A

Super Precision Angular Contact Ball Bearings 7008 CEGB/P4A

The 7008 CEGB/P4A is a super precision angular contact ball bearing with a 40mm bore and 68mm outer diameter, designed for high-speed applications. It features a 15° contact angle and is made from durable chrome steel for reliable performance.

This bearing handles radial loads up to 2790 lbf and can spin at speeds up to 56,000 RPM. Its phenolic cage ensures smooth operation, while the open design allows for easy lubrication and maintenance.

The P4A tolerance class guarantees exceptional precision, making it suitable for demanding machinery. It works well in temperatures from -30°C to 110°C and comes in matched sets for back-to-back or face-to-face arrangements.

Ideal for CNC spindles or high-precision tools where accuracy and speed are crucial. Weighing just 0.19kg, it’s a lightweight yet robust solution for precision engineering needs.

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Product Parameters

  • Part Number 7008 CEGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 15 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 19
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • 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 2790 lbf
  • Static Radial Load 1721 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.19 kg
Super Precision Angular Contact Ball Bearings 7008 CEGB/P4A dimension drawing
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Features

Performance Features of 7008 CEGB/P4A Bearing

7008 CEGB/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 2790 lbf.

The phenolic cage ensures smooth operation at high speeds, reaching up to 56,000 rpm.
Precision tolerances (P4A class) guarantee consistent performance in demanding conditions.

7008 CEGB/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its open design allows for easy lubrication, reducing friction and extending service life.

The lightweight construction (0.19 kg) makes it suitable for applications where weight is a concern.
Universal matching options enable flexible installation in back-to-back, face-to-face, or tandem arrangements.

Application

Industrial Uses of 7008 CEGB/P4A Bearing
7008 CEGB/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.

Where Is 7008 CEGB/P4A Bearing Used?
You’ll often find 7008 CEGB/P4A Bearing in automotive transmissions, where its light preload and high-speed capability improve gear shifting smoothness. The chrome steel construction also handles radial and axial loads efficiently.

Built for Heavy-Duty Use: 7008 CEGB/P4A Bearing
7008 CEGB/P4A Bearing excels in robotics, particularly in robotic arms requiring precise movement and low friction. Its P4A tolerance class ensures consistent performance in demanding applications.

Automotive vs Aerospace: Applications of 7008 CEGB/P4A Bearing
In automotive systems, 7008 CEGB/P4A Bearing supports gearboxes, while in aerospace, it’s used in auxiliary power units due to its high-speed tolerance. The universal matching feature adds versatility for complex setups.

Practical Applications of 7008 CEGB/P4A Bearing
7008 CEGB/P4A Bearing is ideal for medical imaging devices, where its precision and low vibration enhance scan accuracy. The lubricated design ensures quiet operation, crucial for sensitive environments.

Q&A

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