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Super Precision Angular Contact Ball Bearings 7008 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 7008 CDGA/HCP4A

The 7008 CDGA/HCP4A is a super precision angular contact ball bearing with a 40mm bore and 68mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 3780 lbf and reaches speeds of 43,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability and reduces friction.

With an extra light preload (Class A), it offers precise movement and minimal vibration. The open design allows for easy lubrication and maintenance.

Ideal for precision machinery like spindles or CNC equipment, it operates in temperatures from -30°C to 110°C. Weighing just 0.17kg, it’s lightweight yet robust.

This bearing is interchangeable with SKF models and comes in a universal matching set for flexible arrangements (back-to-back, face-to-face, or tandem). Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 7008 CDGA/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 7.938 mm
  • Ball Qty 18
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3780 lbf
  • Static Radial Load 2475 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 43000 rpm
  • Weight 0.17 kg
Super Precision Angular Contact Ball Bearings 7008 CDGA/HCP4A dimension drawing
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Features

Performance Features of 7008 CDGA/HCP4A Bearing

7008 CDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring smooth operation under high-speed conditions.

Its dynamic radial load capacity of 3780 lbf makes it suitable for demanding angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing longevity.

With a maximum speed of 43,000 rpm, it delivers reliable performance in precision tasks.

Application

Industrial Uses of 7008 CDGA/HCP4A Bearing
7008 CDGA/HCP4A Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment, crucial for maintaining accuracy in CNC machining.

What Makes 7008 CDGA/HCP4A Bearing a Preferred Choice?
In robotics, 7008 CDGA/HCP4A Bearing excels in articulated arms due to its angular contact design, handling both radial and axial loads smoothly. The extra light preload allows for responsive movement without unnecessary resistance.

Automotive vs Aerospace: Applications of 7008 CDGA/HCP4A Bearing
For automotive applications, 7008 CDGA/HCP4A Bearing supports gearbox systems, offering durability under high rotational speeds. In aerospace, its lightweight construction and precision make it suitable for instrumentation and control mechanisms.

Perfect Fit for Automation: 7008 CDGA/HCP4A Bearing
7008 CDGA/HCP4A Bearing is ideal for automated assembly lines, where its consistent performance reduces downtime. The open seal design simplifies relubrication, extending service life in continuous operation environments.

Where Is 7008 CDGA/HCP4A Bearing Used?
Medical imaging devices benefit from 7008 CDGA/HCP4A Bearing’s smooth rotation and low vibration, ensuring clear scan results. The ceramic balls also resist corrosion, making it reliable in sterile environments.

Q&A

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