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Super Precision Angular Contact Ball Bearings 7008 CEGA/P4A

Super Precision Angular Contact Ball Bearings 7008 CEGA/P4A

The 7008 CEGA/P4A is a super precision angular contact ball bearing with a 40mm bore and 68mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and is designed for angular contact loads, handling up to 2790 lbf dynamically.

This open-style bearing spins smoothly at speeds up to 56,000 RPM, thanks to its phenolic cage and lubricated design. Its extra-light preload ensures minimal friction, making it ideal for high-precision applications.

The P4A tolerance class guarantees tight precision, while its universal matching capability allows for back-to-back, face-to-face, or tandem arrangements. Weighing just 0.19kg, it’s lightweight yet robust.

Perfect for machine tools or high-speed spindles, this bearing operates reliably between -30°C and 110°C. It’s interchangeable with SKF models, offering a versatile replacement option.

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Product Parameters

  • Part Number 7008 CEGA/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 Extra light / Class A
  • 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
  • Price（$） 62.622
Super Precision Angular Contact Ball Bearings 7008 CEGA/P4A dimension drawing
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Features

How Is 7008 CEGA/P4A Bearing Engineered for Reliability?

7008 CEGA/P4A Bearing features a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel construction ensures durability and resistance to wear under dynamic radial loads up to 2790 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 56,000 rpm, it delivers consistent performance in high-speed scenarios.

7008 CEGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload design minimises vibration, making it ideal for precision machinery.

The open seal type allows for easy lubrication, ensuring long-term reliability.
Its universal matching capability supports versatile configurations like back-to-back or face-to-face arrangements.

Application

Industrial Uses of 7008 CEGA/P4A Bearing
7008 CEGA/P4A Bearing is commonly used in high-speed machine spindles, where its precision angular contact design ensures accurate rotation. The phenolic cage reduces friction, making it suitable for continuous operation in CNC machines.

Where Is 7008 CEGA/P4A Bearing Used?
In robotics, 7008 CEGA/P4A Bearing supports articulated arms, providing smooth movement and load handling. Its open seal type allows for easy lubrication, extending service life in automated systems.

Optimized for Performance: 7008 CEGA/P4A Bearing
For medical imaging devices, 7008 CEGA/P4A Bearing offers reliable performance due to its chrome steel construction. The extra light preload ensures minimal vibration, critical for clear imaging results.

Automotive vs Aerospace: Applications of 7008 CEGA/P4A Bearing
In automotive transmissions, 7008 CEGA/P4A Bearing handles angular loads efficiently, while in aerospace, its high-speed capability suits actuator systems. The P4A tolerance class guarantees consistent performance in both fields.

Practical Applications of 7008 CEGA/P4A Bearing
7008 CEGA/P4A Bearing works well in 3D printers, where its precision supports accurate layer deposition. The metric dimensions ensure compatibility with various printer models, simplifying maintenance.

Q&A

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