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Super Precision Angular Contact Ball Bearings 71805 ACDGA/P4

Super Precision Angular Contact Ball Bearings 71805 ACDGA/P4

The 71805 ACDGA/P4 is a super precision angular contact ball bearing with a 25mm bore and 37mm outer diameter, measuring just 7mm wide. Made from chrome steel, it’s designed for high-speed applications with a 25° contact angle.

It handles radial loads up to 878 lbf and spins smoothly at speeds up to 103,000 RPM. The phenolic cage ensures quiet operation and durability, while the open design allows easy lubrication.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for precision machinery like spindles or CNC tools where accuracy is key.

Weighing only 0.021kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71805 ACDGA/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 Extra light / Class A
  • 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
Super Precision Angular Contact Ball Bearings 71805 ACDGA/P4 dimension drawing
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Features

Performance Features of 71805 ACDGA/P4 Bearing

71805 ACDGA/P4 Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 878 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 103,000 rpm.
With a P4 tolerance class, it delivers precision performance in demanding conditions.

71805 ACDGA/P4 Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, reducing maintenance needs.

The bearing’s compact size (25 mm×37 mm×7 mm) makes it suitable for space-constrained applications.
Its universal matching capability enables flexible configurations like back-to-back or face-to-face arrangements.

Application

Super Precision Angular Contact Ball Bearings 71805 ACDGA/P4 are commonly used in high-speed machine tools, where their 25° contact angle ensures accurate radial and axial load handling.
The open design and phenolic cage make them suitable for applications requiring minimal friction, such as precision spindles.

In robotics, 71805 ACDGA/P4 Bearings provide smooth motion control for articulated arms, thanks to their extra-light preload and P4 tolerance.
Their compact size (25 mm×37 mm×7 mm) allows integration into tight spaces without compromising performance.

For dental handpieces, 71805 ACDGA/P4 Bearings offer reliable rotation at speeds up to 103,000 rpm, ensuring patient comfort during procedures.
The chrome steel construction also resists wear in sterile environments.

In optical equipment like lens positioning systems, 71805 ACDGA/P4 Bearings maintain alignment under dynamic loads.
The universal matching capability simplifies assembly in complex configurations.

Small electric motors benefit from 71805 ACDGA/P4 Bearings’ low friction and high-speed capacity.
The lubricated design ensures long service life in continuous operation.

Q&A

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