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Super Precision Angular Contact Ball Bearings 71905 ACDGB/P4A

Super Precision Angular Contact Ball Bearings 71905 ACDGB/P4A

The 71905 ACDGB/P4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from durable chrome steel. Its compact 9mm width makes it suitable for tight spaces while maintaining high performance.

This bearing handles radial loads up to 1433 lbf and spins smoothly at speeds up to 53,000 RPM. With a 25° contact angle, it efficiently manages combined radial and axial loads, ideal for precision applications.

Its open design and phenolic cage ensure low friction and easy maintenance. The bearing operates reliably in temperatures from -30°C to 110°C, making it versatile for various environments.

Perfect for high-precision machinery like spindles or CNC tools, where accuracy and speed are crucial. Weighing just 0.042kg, it’s lightweight yet robust, and interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71905 ACDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 18
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 1433 lbf
  • Static Radial Load 855 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 53000 rpm
  • Weight 0.042 kg
  • Price（$） 65.376
Super Precision Angular Contact Ball Bearings 71905 ACDGB/P4A dimension drawing
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Features

Why Choose 71905 ACDGB/P4A Bearing for Precision Tasks?

71905 ACDGB/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 1433 lbf, it performs reliably in high-speed applications.
The P4A tolerance class guarantees tight precision, making it suitable for demanding machinery.

Operating at speeds up to 53,000 rpm, it balances performance and longevity.
Its universal matching capability allows flexible arrangements like back-to-back or tandem setups.

Application

Key Fields for 71905 ACDGB/P4A Bearing
71905 ACDGB/P4A Bearing is commonly used in high-speed machine tools, where its precision and light preload ensure smooth operation. The angular contact design handles both radial and axial loads efficiently.

In automotive applications, 71905 ACDGB/P4A Bearing supports components like electric motors and gearboxes, thanks to its high-speed capability. The phenolic cage reduces friction, making it ideal for demanding environments.

For automation systems, 71905 ACDGB/P4A Bearing is a reliable choice for robotic arms and CNC machines. Its P4A tolerance class guarantees consistent performance in precision tasks.

Medical devices like dental drills benefit from 71905 ACDGB/P4A Bearing’s quiet operation and durability. The chrome steel construction ensures long service life even in sterile environments.

In consumer electronics, 71905 ACDGB/P4A Bearing can be found in high-performance fans and small motors. Its compact size and high-speed rating make it a versatile component.

Q&A

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