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Super Precision Angular Contact Ball Bearings 708 ACE/HCP4A
Super Precision Angular Contact Ball Bearings 708 ACE/HCP4A

Super Precision Angular Contact Ball Bearings 708 ACE/HCP4A

The 708 ACE/HCP4A is a super precision angular contact ball bearing with an 8mm bore and 22mm outer diameter, crafted from chrome steel and ceramic balls for durability. It handles radial loads up to 515 lbf and spins at speeds up to 180,000 RPM, making it suitable for high-performance applications.

Its 25° contact angle and phenolic cage ensure smooth operation under angular loads, while the open design allows for easy lubrication. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes with preload options for precise matching. Ideal for use in machine tools, spindles, or other high-speed equipment where accuracy is crucial.

Weighing just 0.011kg, it’s lightweight yet robust, meeting P4 tolerance standards for exceptional precision.

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Product Parameters

  • Part Number 708 ACE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 8 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 22 mm
  • Outer Dia Tolerance -0.005mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 8
  • 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 515 lbf
  • Static Radial Load 172 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 180000 rpm
  • Weight 0.011 kg
  • Price($) 94.779

Features

Engineered for Precision: 708 ACE/HCP4A Bearing

708 ACE/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation with minimal friction.

The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 180,000 rpm, it is suited for high-speed machinery.

708 ACE/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class guarantees consistent accuracy in demanding conditions.

Application

Perfect Fit for Automation: 708 ACE/HCP4A Bearing
In robotics and automated systems, 708 ACE/HCP4A Bearing excels with its ceramic balls and phenolic cage, reducing friction for smoother movements. Its compact size fits neatly into tight spaces without compromising performance.

Key Fields for 708 ACE/HCP4A Bearing
This bearing is a go-to choice for high-speed spindles in CNC machines, where precision and low heat generation matter. The 25° contact angle helps handle combined radial and axial loads effectively.

Where Is 708 ACE/HCP4A Bearing Used?
You’ll often spot 708 ACE/HCP4A Bearing in dental drills and lab equipment, thanks to its P4 tolerance for accuracy. The open design allows easy lubrication, extending service life in demanding conditions.

Industrial Uses of 708 ACE/HCP4A Bearing
In packaging machinery, 708 ACE/HCP4A Bearing keeps conveyor belts running quietly even at high speeds. Its chrome steel rings resist wear, making it reliable for continuous operation.

How Does 708 ACE/HCP4A Bearing Support High-Speed Operations?
With a max speed of 180,000 rpm, this bearing is ideal for turbochargers and small turbines. The ceramic balls minimise vibration, ensuring stable rotation under heavy loads.

Q&A

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