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Super Precision Angular Contact Ball Bearings 71918 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 71918 CD/P4ADGB

The 71918 CD/P4ADGB is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 17122 lbf and operates smoothly at speeds up to 15000 RPM.

Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face setups. The phenolic cage ensures quiet, long-lasting performance, even in demanding conditions.

Preloaded for light operation, this bearing is ideal for high-precision applications like machine tool spindles or high-speed motors. It works well in temperatures from -30°C to 110°C.

Weighing 1.1kg, it comes as a matched set of two bearings for balanced performance. Compliant with P4A tolerance standards, it’s interchangeable with SKF models for easy replacement.

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Product Parameters

  • Part Number 71918 CD/P4ADGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • 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 17122 lbf
  • Static Radial Load 22950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.1 kg
Super Precision Angular Contact Ball Bearings 71918 CD/P4ADGB dimension drawing
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Features

Performance Features of 71918 CD/P4ADGB Bearing

71918 CD/P4ADGB Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.
Its 15° contact angle ensures optimal load distribution, enhancing performance in demanding setups.

The phenolic cage maintains ball alignment, reducing friction and extending operational life.
With a dynamic radial load capacity of 17122 lbf, it handles heavy loads reliably.

Designed for high-speed applications, 71918 CD/P4ADGB Bearing supports speeds up to 15,000 rpm.
Its universal matching feature allows flexible arrangements like back-to-back or face-to-face configurations.

The P4A tolerance class guarantees tight precision, making it suitable for critical machinery.
Operating between -30°C to 110°C, it performs consistently in varied temperature conditions.

Application

Key Fields for 71918 CD/P4ADGB Bearing
In machine tools, 71918 CD/P4ADGB Bearing excels with its 15° contact angle, offering precise radial and axial load support for high-speed spindles. The phenolic cage reduces friction, ensuring smooth operation during prolonged use.

Where Is 71918 CD/P4ADGB Bearing Used?
You’ll often find 71918 CD/P4ADGB Bearing in aerospace applications, such as helicopter rotor systems, where its P4A tolerance class guarantees accuracy. Its universal matching design simplifies installation in complex assemblies.

Built for Heavy-Duty Use: 71918 CD/P4ADGB Bearing
This bearing handles demanding loads in industrial pumps, thanks to its chrome steel construction and 26-ball setup. The light preload ensures consistent performance without excessive wear.

Automotive vs Aerospace: Applications of 71918 CD/P4ADGB Bearing
In automotive transmissions, 71918 CD/P4ADGB Bearing supports high-speed shafts, while in aerospace, it’s trusted for flight control systems. Its temperature range (-30°C to 110°C) suits both environments.

Practical Applications of 71918 CD/P4ADGB Bearing
For robotics, 71918 CD/P4ADGB Bearing’s low friction and high precision make it ideal for articulated arms. The matched set design reduces alignment issues in multi-axis setups.

Q&A

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