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Super Precision Angular Contact Ball Bearings 71907 ACEGB/HCP4A

Super Precision Angular Contact Ball Bearings 71907 ACEGB/HCP4A

The 71907 ACEGB/HCP4A is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle ensures smooth handling of combined radial and axial loads.

Featuring ceramic balls and a phenolic cage, it offers low friction and can reach speeds up to 56,000 RPM. The light preload (Class B) enhances stability in high-speed applications.

This open-design bearing is lubricated for easy maintenance and operates in temperatures from -30°C to 110°C. It’s interchangeable with SKF bearings, making replacements straightforward.

Ideal for precision machinery like spindles or CNC tools where accuracy and speed are crucial. Weighing just 0.067kg, it’s lightweight yet durable for its compact 10mm width.

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Product Parameters

  • Part Number 71907 ACEGB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 19
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1638 lbf
  • Static Radial Load 990 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.067 kg
Super Precision Angular Contact Ball Bearings 71907 ACEGB/HCP4A dimension drawing
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Features

Performance Features of 71907 ACEGB/HCP4A Bearing

71907 ACEGB/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring smooth operation under angular contact loads.
Its dynamic radial load capacity of 1638 lbf makes it suitable for high-precision applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 56,000 rpm, it delivers reliable performance in demanding conditions.

71907 ACEGB/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its light preload design ensures consistent performance while minimising wear.

The open seal type allows for easy lubrication, extending the bearing’s service life.
Its universal matching capability offers flexibility in various mounting configurations.

Application

Industrial Uses of 71907 ACEGB/HCP4A Bearing
71907 ACEGB/HCP4A Bearing is commonly used in high-speed machine spindles, where its angular contact design ensures precise radial and axial load handling. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

Where Is 71907 ACEGB/HCP4A Bearing Used?
You’ll often find 71907 ACEGB/HCP4A Bearing in CNC machining centres, where its light preload and P4A tolerance class deliver exceptional accuracy. The phenolic cage adds durability, even in demanding industrial environments.

Perfect Fit for Automation: 71907 ACEGB/HCP4A Bearing
In robotic arms, 71907 ACEGB/HCP4A Bearing provides reliable performance thanks to its chrome steel rings and ceramic balls. Its compact size and high-speed capability make it a go-to choice for precision motion control.

Automotive vs Aerospace: Applications of 71907 ACEGB/HCP4A Bearing
For automotive applications, 71907 ACEGB/HCP4A Bearing works well in electric motor systems, offering low friction and high efficiency. In aerospace, its lightweight design and temperature stability suit instrumentation and control systems.

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