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Super Precision Angular Contact Ball Bearings 71902 ACDGC/P4A

Super Precision Angular Contact Ball Bearings 71902 ACDGC/P4A

The 71902 ACDGC/P4A is a super precision angular contact ball bearing with a compact size of 15mm by 28mm by 7mm, crafted from durable chrome steel. It features a 25° contact angle and is designed for moderate preload (Class C), making it suitable for high-precision applications.

With a dynamic radial load capacity of 848 lbf and a maximum speed of 95,000 RPM, this bearing offers reliable performance. Its open design allows for easy lubrication, while the phenolic cage ensures smooth operation.

The bearing is part of a universal matching set, compatible with back-to-back, face-to-face, or tandem arrangements. Ideal for precision machinery like spindles or high-speed tools, it operates efficiently in temperatures from -30°C to 110°C.

Weighing just 0.015kg, it’s lightweight yet robust, and interchangeable with SKF bearings. Compliant with P4A tolerance standards, it ensures accuracy in demanding environments.

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Product Parameters

  • Part Number 71902 ACDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 15 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 28 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 13
  • Contact Angle 25°
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 848 lbf
  • Static Radial Load 405 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 95000 rpm
  • Weight 0.015 kg
Super Precision Angular Contact Ball Bearings 71902 ACDGC/P4A dimension drawing
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Features

Performance Features of 71902 ACDGC/P4A Bearing

71902 ACDGC/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 848 lbf.

The phenolic cage in 71902 ACDGC/P4A Bearing reduces friction and noise, making it suitable for high-speed applications.
With a maximum speed of 95,000 rpm, it delivers reliable performance in precision tasks.

71902 ACDGC/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its P4A tolerance class ensures high precision, ideal for demanding industrial uses.

The open design of 71902 ACDGC/P4A Bearing allows for easy lubrication, enhancing its service life.
Its compact size (15 mm×28 mm×7 mm) makes it versatile for various applications.

Application

Industrial Uses of 71902 ACDGC/P4A Bearing
71902 ACDGC/P4A Bearing is commonly used in high-speed machine tools, where its precision and moderate preload ensure accurate performance. The open design and phenolic cage make it suitable for applications requiring minimal friction.

Where Is 71902 ACDGC/P4A Bearing Used?
You’ll often find 71902 ACDGC/P4A Bearing in automotive transmissions, where its angular contact design handles combined loads effectively. Its high-speed capability and P4A tolerance class make it a reliable choice for demanding conditions.

Perfect Fit for Automation: 71902 ACDGC/P4A Bearing
71902 ACDGC/P4A Bearing works well in robotic arms, providing smooth movement due to its chrome steel construction. The moderate preload helps maintain stability in repetitive tasks.

Medical vs Industrial: Where 71902 ACDGC/P4A Bearing Excels
In medical imaging devices, 71902 ACDGC/P4A Bearing offers quiet operation and precision. For industrial settings, its high-speed tolerance and durability make it ideal for spindle applications.

Q&A

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