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Super Precision Angular Contact Ball Bearings 7008 ACEGB/HCP4A

Super Precision Angular Contact Ball Bearings 7008 ACEGB/HCP4A

The 7008 ACEGB/HCP4A is a super precision angular contact ball bearing with a 40mm bore and 68mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation under angular loads.

With a dynamic radial load capacity of 2632 lbf, it handles high-speed applications up to 41,000 RPM. The phenolic cage provides stability, while the open design allows for easy lubrication.

This bearing is ideal for precision machinery like spindles or CNC tools, where accuracy is key. It comes preloaded for light use and can be paired in back-to-back or face-to-face arrangements.

Weighing just 0.17kg, it meets P4A tolerance standards for exceptional performance. Suitable for temperatures from -30°C to 110°C, it’s a reliable choice for demanding environments.

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Product Parameters

  • Part Number 7008 ACEGB/HCP4A
  • 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 25°
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2632 lbf
  • Static Radial Load 1620 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.17 kg
Super Precision Angular Contact Ball Bearings 7008 ACEGB/HCP4A dimension drawing
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Features

Performance Features of 7008 ACEGB/HCP4A Bearing

7008 ACEGB/HCP4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls ensure smooth operation and reduced friction.

The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 41,000 rpm, it excels in high-speed applications.

7008 ACEGB/HCP4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its light preload design ensures precision and reliability in various conditions.

The bearing’s dynamic radial load capacity of 2632 lbf makes it suitable for demanding tasks.
Its open design allows for easy lubrication, ensuring long service life.

7008 ACEGB/HCP4A Bearing is available in matched sets for back-to-back, face-to-face, or tandem arrangements.
This flexibility makes it adaptable to different mounting requirements.

Application

How Does 7008 ACEGB/HCP4A Bearing Improve Performance?
In industrial machinery, 7008 ACEGB/HCP4A Bearing excels in high-speed spindles and precision tools due to its ceramic balls and P4A tolerance class. The 25° contact angle ensures efficient load distribution, reducing wear over time.
For automotive applications, 7008 ACEGB/HCP4A Bearing is ideal for electric vehicle motors, where its light preload enhances efficiency. The phenolic cage also minimises friction, contributing to smoother operation.
In robotics, 7008 ACEGB/HCP4A Bearing’s universal matching capability allows flexible configurations for articulated arms. Its high-speed rating (41,000 rpm) makes it suitable for dynamic, repetitive movements.
Medical imaging devices benefit from 7008 ACEGB/HCP4A Bearing’s consistent performance and low heat generation. The chrome steel rings provide durability, while the open design simplifies maintenance.

Q&A

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