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Super Precision Angular Contact Ball Bearings 71805 ACDGB/P4
Super Precision Angular Contact Ball Bearings 71805 ACDGB/P4

Super Precision Angular Contact Ball Bearings 71805 ACDGB/P4

The 71805 ACDGB/P4 is a super precision angular contact ball bearing with a 25mm bore and 37mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 878 lbf and spins smoothly at speeds up to 103,000 RPM.

With a 25° contact angle and light preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing is suitable for temperatures from -30°C to 110°C and comes pre-lubricated for easy use. It can be arranged in back-to-back, face-to-face, or tandem configurations.

Ideal for machine tools or high-speed spindles where precision and reliability are key. Weighing just 0.021kg, it’s lightweight yet robust for its size. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71805 ACDGB/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 20
  • Contact Angle 25°
  • Tolerance Class P4
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 878 lbf
  • Static Radial Load 686 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 103000 rpm
  • Weight 0.021 kg

Features

Performance Features of 71805 ACDGB/P4 Bearing

71805 ACDGB/P4 Bearing is crafted with a 25° contact angle, ideal for precise angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 878 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 103,000 rpm, it excels in high-speed scenarios while maintaining precision.

Designed for light preload (Class B), 71805 ACDGB/P4 Bearing offers reliable operation in temperatures from -30°C to 110°C.
Its open seal type allows for easy lubrication, ensuring long service life with minimal maintenance.

The P4 tolerance class guarantees high precision, making it suitable for demanding industrial applications.
Weighing just 0.021 kg, it combines lightweight design with robust performance.

Application

Key Fields for 71805 ACDGB/P4 Bearing
71805 ACDGB/P4 Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The light preload and P4 tolerance class make it ideal for applications demanding minimal vibration.

In robotics, 71805 ACDGB/P4 Bearing supports articulated arms, providing smooth movement and long service life. Its phenolic cage reduces friction, enhancing efficiency in repetitive tasks.

For medical imaging devices, 71805 ACDGB/P4 Bearing’s chrome steel construction offers reliability under continuous use. The open design allows for easy lubrication, maintaining performance in critical healthcare environments.

Where Is 71805 ACDGB/P4 Bearing Used?
You’ll find 71805 ACDGB/P4 Bearing in precision equipment like CNC lathes, where its 25° contact angle handles combined loads effectively. The high-speed capability (up to 103,000 rpm) suits demanding industrial applications.

In automotive testing rigs, 71805 ACDGB/P4 Bearing ensures accurate measurements due to its low friction and stable operation. The metric sizing fits seamlessly into European and Asian machinery designs.

Built for Heavy-Duty Use: 71805 ACDGB/P4 Bearing
71805 ACDGB/P4 Bearing excels in aerospace applications, such as gyroscopes, where its P4 tolerance ensures precise alignment. The chrome steel balls and rings provide durability under extreme conditions.

For 3D printers, 71805 ACDGB/P4 Bearing’s compact size and high-speed performance enable smooth print head movement. The phenolic cage resists wear, even with frequent direction changes.

Automotive vs Aerospace: Applications of 71805 ACDGB/P4 Bearing
In automotive transmissions, 71805 ACDGB/P4 Bearing handles angular loads efficiently, contributing to smoother gear shifts. Its light preload reduces energy loss, improving fuel efficiency.

Aerospace systems rely on 71805 ACDGB/P4 Bearing for flight control mechanisms, where its precision and reliability are critical. The temperature range (-30°C to 110°C) ensures performance in varied climates.

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