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Super Precision Angular Contact Ball Bearings 71900 ACEGB/P4A

Super Precision Angular Contact Ball Bearings 71900 ACEGB/P4A

The 71900 ACEGB/P4A is a super precision angular contact ball bearing with a compact 10mm bore and 22mm outer diameter, crafted from high-grade chrome steel. It supports angular contact loads with a 25° contact angle, offering smooth rotation up to 165,000 RPM.

Its open design and light preload (Class B) ensure easy lubrication and low friction, while the phenolic cage enhances durability. The bearing operates efficiently in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in universal matching sets for flexible arrangements (back-to-back, face-to-face, or tandem). Ideal for high-speed applications like spindles or precision tools where accuracy is key.

Weighing just 0.009kg, it’s lightweight yet robust, with a dynamic radial load capacity of 439 lbf. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71900 ACEGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 10 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 22 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 6 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 11
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 439 lbf
  • Static Radial Load 169 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 165000 rpm
  • Weight 0.009 kg
Super Precision Angular Contact Ball Bearings 71900 ACEGB/P4A dimension drawing
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Features

How Does 71900 ACEGB/P4A Bearing Achieve Super Precision?

71900 ACEGB/P4A Bearing features a 25° contact angle, optimised for high-speed angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 439 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise even at speeds up to 165,000 rpm.
With a P4A tolerance class, it delivers consistent precision in demanding conditions.

71900 ACEGB/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its lightweight design at just 0.009 kg makes it suitable for precision instruments and high-speed machinery.

Application

How Does 71900 ACEGB/P4A Bearing Improve Performance?
71900 ACEGB/P4A Bearing excels in high-speed applications like CNC spindles, where its 25° contact angle ensures precise radial and axial load handling. The phenolic cage reduces friction, making it ideal for demanding machining tasks.

In robotics, 71900 ACEGB/P4A Bearing supports articulated arms, offering smooth movement thanks to its P4A tolerance class. Its lightweight design (0.009 kg) also helps reduce energy consumption in automated systems.

For medical imaging devices, 71900 ACEGB/P4A Bearing’s chrome steel construction provides durability while maintaining quiet operation. The open design allows for easy lubrication, extending service life in critical healthcare equipment.

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