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Super Precision Angular Contact Ball Bearings 708 ACDGA/P4A
Super Precision Angular Contact Ball Bearings 708 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 708 ACDGA/P4A

The 708 ACDGA/P4A is a super precision angular contact ball bearing with an 8mm bore and 22mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and handles radial loads up to 718 lbf, spinning smoothly at speeds up to 110,000 RPM.

Its open design and phenolic cage ensure low friction and easy maintenance, while the extra light preload (Class A) offers precise performance. The bearing operates reliably in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a matched set of two, suitable for universal mounting (back-to-back, face-to-face, or tandem). Ideal for high-precision applications like machine tool spindles or dental equipment.

Weighing just 0.012kg, it’s lightweight yet robust, with a P4A tolerance class for exceptional accuracy. Lubricated for smooth operation straight out of the box.

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Product Parameters

  • Part Number 708 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 8 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 22 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 9
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 718 lbf
  • Static Radial Load 302 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 110000 rpm
  • Weight 0.012 kg
  • Price($) 65.34

Features

Performance Features of 708 ACDGA/P4A Bearing

708 ACDGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and resistance to wear under dynamic radial loads up to 718 lbf.

The phenolic cage maintains ball alignment, reducing friction and enabling smooth operation at speeds up to 110,000 rpm.
With a P4A tolerance class, it delivers high precision for demanding tasks.

708 ACDGA/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its extra light preload design minimises vibration, enhancing performance in precision instruments.

Application

Practical Applications of 708 ACDGA/P4A Bearing
In industrial settings, 708 ACDGA/P4A Bearing is commonly used in high-speed spindles and precision machine tools, where its angular contact design ensures accurate load distribution. The phenolic cage reduces friction, making it suitable for continuous operation.

Where Is 708 ACDGA/P4A Bearing Used?
You’ll often find 708 ACDGA/P4A Bearing in automotive applications like electric motor shafts, where its extra-light preload enhances efficiency. Its metric sizing and P4A tolerance class make it a reliable choice for European and Asian vehicle designs.

Built for Heavy-Duty Use: 708 ACDGA/P4A Bearing
For robotics and automation, 708 ACDGA/P4A Bearing excels in robotic arms and 3D printers, thanks to its high-speed capability and chrome steel construction. The open seal design allows for easy lubrication, extending its service life.

Medical vs Industrial: Where 708 ACDGA/P4A Bearing Excels
In medical imaging devices, 708 ACDGA/P4A Bearing provides smooth rotation due to its precision engineering. Meanwhile, in industrial pumps, its dynamic radial load capacity ensures durability under constant use.

How Does 708 ACDGA/P4A Bearing Support High-Speed Operations?
With a max speed of 110,000 rpm, 708 ACDGA/P4A Bearing is ideal for dental drills and small turbines. The chrome steel balls and rings maintain performance even under demanding conditions.

Q&A

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