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Super Precision Angular Contact Ball Bearings 7008 ACB/HCP4A

Super Precision Angular Contact Ball Bearings 7008 ACB/HCP4A

The 7008 ACB/HCP4A is a super precision angular contact ball bearing with a 40mm bore and 68mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle ensures smooth handling of combined radial and thrust loads.

With a dynamic radial load capacity of 1550 lbf, it spins efficiently at speeds up to 48,000 RPM. The ceramic balls and phenolic cage reduce friction, enhancing performance in demanding conditions.

This open-design bearing comes pre-lubricated and operates in temperatures from -30°C to 110°C. Its P4 tolerance class (ABEC-7) guarantees exceptional accuracy for precision applications.

Ideal for high-speed machinery like spindles or robotics, it’s also available in matched sets for paired mounting. Weighing just 0.2kg, it balances lightweight design with robust durability.

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Product Parameters

  • Part Number 7008 ACB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 15 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1550 lbf
  • Static Radial Load 1192 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 48000 rpm
  • Weight 0.2 kg
  • Price（$） 196.632
Super Precision Angular Contact Ball Bearings 7008 ACB/HCP4A dimension drawing
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Features

Engineered for Precision: 7008 ACB/HCP4A Bearing

7008 ACB/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance at speeds up to 48,000 rpm.

The phenolic cage ensures smooth operation, even under dynamic radial loads of 1550 lbf.
With a P4 tolerance class, it delivers consistent accuracy in demanding conditions.

7008 ACB/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, maintaining long-term reliability.

Application

Key Fields for 7008 ACB/HCP4A Bearing
7008 ACB/HCP4A Bearing is widely used in high-speed machine tools, where its 25° contact angle ensures precise spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 7008 ACB/HCP4A Bearing supports articulated arms, providing stability during repetitive movements. Its phenolic cage offers lightweight durability, perfect for automated systems.

For aerospace components, 7008 ACB/HCP4A Bearing’s P4 tolerance class guarantees accuracy in critical assemblies. The open design allows for custom lubrication, extending service life in demanding conditions.

Medical imaging devices benefit from 7008 ACB/HCP4A Bearing’s low heat generation, ensuring reliable performance during prolonged use. The chrome steel rings add robustness for long-term operation.

In 3D printers, 7008 ACB/HCP4A Bearing’s high-speed capability enhances print head precision. Its matched arrangement option simplifies installation, reducing downtime in production lines.

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