Super Precision Angular Contact Ball Bearings 71828 ACDGB/P4

Super Precision Angular Contact Ball Bearings 71828 ACDGB/P4

The 71828 ACDGB/P4 is a super precision angular contact ball bearing with a 140mm bore and 175mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 9518 lbf and operates smoothly at speeds up to 11000 RPM.

With a 25° contact angle and light preload, it offers excellent stability for high-precision applications. The open design and phenolic cage ensure reliable performance, while the lubricated setup reduces friction.

This bearing is ideal for machine tools or spindle systems where accuracy is key. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing 0.8kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards, it’s a top choice for demanding industrial environments.

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Product Parameters

  • Part Number 71828 ACDGB/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 175 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 10.319 mm
  • Ball Qty 35
  • Contact Angle 25°
  • Tolerance Class P4
  • 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 9518 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 0.8 kg

Features

Performance Features of 71828 ACDGB/P4 Bearing

71828 ACDGB/P4 Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure high durability and resistance to wear.

The phenolic cage in 71828 ACDGB/P4 Bearing provides stability and reduces friction during high-speed operation.
With a maximum speed of 11,000 rpm, it delivers smooth performance in precision applications.

71828 ACDGB/P4 Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its P4 tolerance class guarantees precise alignment and reliable performance.

The dynamic radial load capacity of 9518 lbf makes 71828 ACDGB/P4 Bearing suitable for demanding tasks.
Its lightweight design at 0.8 kg ensures easy handling without compromising strength.

Application

Industrial Uses of 71828 ACDGB/P4 Bearing
71828 ACDGB/P4 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4 tolerance class make it suitable for applications demanding minimal vibration.

Where Is 71828 ACDGB/P4 Bearing Used?
You’ll often find 71828 ACDGB/P4 Bearing in automotive transmissions, where its chrome steel construction handles radial and axial loads efficiently. Its phenolic cage also reduces friction, extending service life in high-speed conditions.

Built for Heavy-Duty Use: 71828 ACDGB/P4 Bearing
71828 ACDGB/P4 Bearing excels in industrial pumps and compressors, thanks to its dynamic radial load capacity of 9518 lbf. The open design allows for easy lubrication, maintaining performance in demanding environments.

Automotive vs Aerospace: Applications of 71828 ACDGB/P4 Bearing
In automotive systems, 71828 ACDGB/P4 Bearing supports gearboxes, while in aerospace, it’s used in actuator systems for its precision and reliability. The universal matching feature ensures flexibility in various configurations.

Perfect Fit for Automation: 71828 ACDGB/P4 Bearing
71828 ACDGB/P4 Bearing is ideal for robotic arms and CNC machines, where its 25° contact angle provides stability. The high-speed capability of 11,000 rpm makes it a reliable choice for automated production lines.

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