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Super Precision Angular Contact Ball Bearings 71907 ACDGB/HCP4A

Super Precision Angular Contact Ball Bearings 71907 ACDGB/HCP4A

The 71907 ACDGB/HCP4A is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, measuring just 10mm wide. Made from chrome steel and ceramic balls, it offers smooth operation and durability.

It handles radial loads up to 2077 lbf and spins at speeds up to 56,000 RPM, ideal for high-speed applications. The phenolic cage ensures stability, while the 25° contact angle provides excellent load distribution.

This bearing comes pre-lubricated and works in temperatures from -30°C to 110°C. It’s part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements.

Perfect for precision machinery like spindles or CNC tools where accuracy and speed are key. Weighing only 0.068kg, it’s lightweight yet robust for its size. Compliant with P4A tolerance class for high performance.

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Product Parameters

  • Part Number 71907 ACDGB/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 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2077 lbf
  • Static Radial Load 1395 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.068 kg
Super Precision Angular Contact Ball Bearings 71907 ACDGB/HCP4A dimension drawing
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Features

Performance Features of 71907 ACDGB/HCP4A Bearing

71907 ACDGB/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact performance, suitable for complex load conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 2077 lbf, it handles demanding applications with ease.

71907 ACDGB/HCP4A Bearing operates at speeds up to 56,000 rpm, making it ideal for high-speed machinery.
Its P4A tolerance class ensures consistent performance and reliability in precision tasks.

The lightweight design at 0.068 kg reduces overall system weight without compromising strength.
Its universal matching capability allows flexible configurations like back-to-back or face-to-face arrangements.

71907 ACDGB/HCP4A Bearing works in temperatures from -30°C to 110°C, adapting to various environments.
Pre-lubricated for immediate use, it simplifies installation and reduces maintenance needs.

Application

Industrial Uses of 71907 ACDGB/HCP4A Bearing
71907 ACDGB/HCP4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for prolonged operations.

Where Is 71907 ACDGB/HCP4A Bearing Used?
You’ll find 71907 ACDGB/HCP4A Bearing in automotive transmissions, where its light preload and P4A tolerance class enhance shifting smoothness. The phenolic cage adds durability in high-temperature environments.

Built for Heavy-Duty Use: 71907 ACDGB/HCP4A Bearing
71907 ACDGB/HCP4A Bearing excels in robotics, particularly in articulated arms requiring precise movement. Its chrome steel rings and ceramic balls provide long-lasting performance even under continuous use.

Automotive vs Aerospace: Applications of 71907 ACDGB/HCP4A Bearing
In automotive systems, 71907 ACDGB/HCP4A Bearing supports gearboxes, while in aerospace, it’s used in navigation systems for its reliability. The metric sizing ensures compatibility across various applications.

Perfect Fit for Automation: 71907 ACDGB/HCP4A Bearing
71907 ACDGB/HCP4A Bearing is ideal for automated production lines, where its high-speed capability and low friction are key. The open design allows for easy lubrication, reducing downtime.

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