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Super Precision Angular Contact Ball Bearings 7008 ACE/HCP4ADBG3

Super Precision Angular Contact Ball Bearings 7008 ACE/HCP4ADBG3

The 7008 ACE/HCP4ADBG3 is a super precision angular contact ball bearing with a 40mm bore and 68mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 4275 lbf and operates smoothly at high speeds up to 56,000 RPM.

Its 25° contact angle and matched arrangement (2 bearings DB) provide excellent stability, while the phenolic cage ensures quiet performance. The open design allows for easy lubrication and maintenance.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are crucial. It works well in temperatures from -30°C to 110°C.

Weighing just 0.34kg, it’s lightweight yet robust, meeting P4A tolerance class for superior precision. Interchangeable with SKF bearings, it’s a reliable choice for replacements.

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Product Parameters

  • Part Number 7008 ACE/HCP4ADBG3
  • 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 30 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4275 lbf
  • Static Radial Load 3218 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.34 kg
Super Precision Angular Contact Ball Bearings 7008 ACE/HCP4ADBG3 dimension drawing
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Features

Performance Features of 7008 ACE/HCP4ADBG3 Bearing

7008 ACE/HCP4ADBG3 Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction.

Its dynamic radial load capacity of 4275 lbf ensures reliable performance under stress.
The phenolic cage maintains ball alignment, contributing to smooth operation.

With a maximum speed of 56,000 rpm, this bearing suits high-speed precision tasks.
The matched arrangement of two bearings provides stability in demanding setups.

7008 ACE/HCP4ADBG3 Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its P4A tolerance class guarantees precision in critical applications.

Application

Industrial Uses of 7008 ACE/HCP4ADBG3 Bearing
The 7008 ACE/HCP4ADBG3 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its ceramic balls reduce friction, making it ideal for high-speed operations.

In automotive applications, 7008 ACE/HCP4ADBG3 Bearing supports components like turbochargers and transmission systems, where its preload capability enhances stability. The matched arrangement also helps in handling combined loads efficiently.

For robotics, 7008 ACE/HCP4ADBG3 Bearing’s phenolic cage provides durability in robotic arms, ensuring smooth movement under continuous use. The P4A tolerance class guarantees consistent performance in demanding environments.

Medical imaging devices benefit from 7008 ACE/HCP4ADBG3 Bearing’s low friction and high-speed capabilities, ensuring precise operation in scanners. The chrome steel rings add to its longevity in critical applications.

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