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Super Precision Angular Contact Ball Bearings 71908 ACB/HCP4ADGA

Super Precision Angular Contact Ball Bearings 71908 ACB/HCP4ADGA

The 71908 ACB/HCP4ADGA is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from chrome steel and ceramic balls for enhanced performance. It handles radial loads up to 1843 lbf and spins smoothly at speeds up to 56,000 RPM.

Its open design and phenolic cage ensure durability, while the extra light preload (Class A) offers precise operation. The bearing works well in temperatures from -30°C to 110°C and comes lubricated for immediate use.

This model is part of a matched set of two bearings, suitable for universal matching in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or aerospace components.

Weighing just 0.23kg, it’s lightweight yet robust, with a P4A tolerance class for exceptional accuracy. Interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71908 ACB/HCP4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1843 lbf
  • Static Radial Load 1755 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.23 kg
Super Precision Angular Contact Ball Bearings 71908 ACB/HCP4ADGA dimension drawing
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Features

Performance Features of 71908 ACB/HCP4ADGA Bearing

71908 ACB/HCP4ADGA Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
Its 25° contact angle ensures optimal load distribution, enhancing performance in angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and noise during operation.
With a dynamic radial load capacity of 1843 lbf, it handles demanding conditions with ease.

71908 ACB/HCP4ADGA Bearing operates at speeds up to 56,000 rpm, making it suitable for high-speed applications.
Its universal matching design allows flexible arrangement options, including back-to-back and face-to-face configurations.

The extra light preload (Class A) ensures smooth rotation and minimal vibration.
Temperature resistance from -30°C to 110°C guarantees reliable performance in varied environments.

Application

Key Fields for 71908 ACB/HCP4ADGA Bearing
71908 ACB/HCP4ADGA Bearing is commonly used in high-speed machine spindles, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it suitable for applications demanding smooth rotation.

In robotics, 71908 ACB/HCP4ADGA Bearing supports articulated arms, providing stability and load handling in dynamic movements. Its universal matching feature allows flexible arrangement, adapting to various robotic designs.

For aerospace components, 71908 ACB/HCP4ADGA Bearing offers reliability in systems like gyroscopes, where consistent operation is critical. The phenolic cage adds durability, even under extreme temperature variations.

In medical imaging devices, 71908 ACB/HCP4ADGA Bearing’s low vibration and high-speed capability enhance the precision of scanners. The P4A tolerance class ensures minimal deviation, crucial for diagnostic accuracy.

Automotive applications like electric vehicle motors benefit from 71908 ACB/HCP4ADGA Bearing’s lightweight and efficient design. The extra light preload reduces energy loss, improving overall vehicle performance.

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